TPS73625DCQR [TI]

Cap-Free, NMOS, 400mA Low-Dropout Regulator with Reverse Current Protection; 无电容, NMOS , 400毫安低压差稳压器,反向电流保护
TPS73625DCQR
型号: TPS73625DCQR
厂家: TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
描述:

Cap-Free, NMOS, 400mA Low-Dropout Regulator with Reverse Current Protection
无电容, NMOS , 400毫安低压差稳压器,反向电流保护

稳压器
文件: 总27页 (文件大小:641K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
TPS736xx  
www.ti.com  
SBVS038KSEPTEMBER 2003REVISED SEPTEMBER 2005  
Cap-Free, NMOS, 400mA Low-Dropout Regulator  
with Reverse Current Protection  
FEATURES  
DESCRIPTION  
Stable with No Output Capacitor or Any Value  
or Type of Capacitor  
The TPS736xx family of low-dropout (LDO) linear  
voltage regulators uses a new topology: an NMOS  
pass element in a voltage-follower configuration. This  
topology is stable using output capacitors with low  
ESR, and even allows operation without a capacitor.  
It also provides high reverse blockage (low reverse  
current) and ground pin current that is nearly constant  
over all values of output current.  
Input Voltage Range of 1.7V to 5.5V  
Ultra-Low Dropout Voltage: 75mV typ  
Excellent Load Transient Response—with or  
without Optional Output Capacitor  
New NMOS Topology Delivers Low Reverse  
Leakage Current  
The TPS736xx uses an advanced BiCMOS process  
to yield high precision while delivering very low  
dropout voltages and low ground pin current. Current  
consumption, when not enabled, is under 1µA and  
ideal for portable applications. The extremely low  
output noise (30µVRMS with 0.1µF CNR) is ideal for  
powering VCOs. These devices are protected by  
thermal shutdown and foldback current limit.  
Low Noise: 30µVRMS typ (10Hz to 100kHz)  
0.5% Initial Accuracy  
1% Overall Accuracy Over Line, Load, and  
Temperature  
Less Than 1µA max IQ in Shutdown Mode  
Thermal Shutdown and Specified Min/Max  
Current Limit Protection  
Available in Multiple Output Voltage Versions  
– Fixed Outputs of 1.20V to 4.3V  
– Adjustable Output from 1.20V to 5.5V  
– Custom Outputs Available  
DRB PACKAGE  
3mm x 3mm SON  
(TOP VIEW)  
DBV PACKAGE  
SOT23  
(TOP VIEW)  
APPLICATIONS  
OUT  
N/C  
1
2
3
4
8
7
6
5
IN  
Portable/Battery-Powered Equipment  
Post-Regulation for Switching Supplies  
Noise-Sensitive Circuitry such as VCOs  
1
5
IN  
GND  
EN  
OUT  
N/C  
N/C  
EN  
NR/FB  
GND  
2
NR/FB  
3
4
Point of Load Regulation for DSPs, FPGAs,  
ASICs, and Microprocessors  
DCQ PACKAGE  
SOT223  
(TOP VIEW)  
Optional  
Optional  
TAB IS GND  
4 5  
VIN  
VOUT  
IN  
OUT  
TPS736xx  
GND  
EN  
NR  
1
2
3
Optional  
Typical Application Circuit for Fixed Voltage Versions  
IN  
GND  
OUT NR/FB  
EN  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2003–2005, Texas Instruments Incorporated  
TPS736xx  
www.ti.com  
SBVS038KSEPTEMBER 2003REVISED SEPTEMBER 2005  
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated  
circuits be handled with appropriate precautions. Failure to observe proper handling and installation  
procedures can cause damage.  
ESD damage can range from subtle performance degradation to complete device failure. Precision  
integrated circuits may be more susceptible to damage because very small parametric changes could  
cause the device not to meet its published specifications.  
ORDERING INFORMATION(1)  
(2)  
PRODUCT  
VOUT  
TPS736xxyyyz  
XX is nominal output voltage (for example, 25 = 2.5V, 01 = Adjustable(3)).  
YYY is package designator.  
Z is package quantity.  
(1) For the most current specification and package information, refer to the Package Option Addendum located at the end of this datasheet  
or see the TI website at www.ti.com.  
(2) Additional output voltages from 1.25V to 4.3V in 100mV increments are available on a quick-turn basis using innovative factory  
EEPROM programming. Minimum order quantities apply; contact factory for details and availability.  
(3) For fixed 1.2V operation, tie FB to OUT.  
ABSOLUTE MAXIMUM RATINGS  
over operating free-air temperature range unless otherwise noted(1)  
TPS736xx  
-0.3 to 6.0  
UNIT  
VIN range  
V
V
V
VEN range  
-0.3 to 6.0  
VOUT range  
-0.3 to 5.5  
Peak output current  
Output short-circuit duration  
Continuous total power dissipation  
Junction temperature range, TJ  
Storage temperature range  
ESD rating, HBM  
Internally limited  
Indefinite  
See Dissipation Ratings Table  
-55 to +150  
°C  
°C  
kV  
V
-65 to +150  
2
ESD rating, CDM  
500  
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings  
only, and functional operation of the device at these or any other conditions beyond those indicated under the Electrical Characteristics  
is not implied. Exposure to absolute maximum rated conditions for extended periods may affect device reliability.  
POWER DISSIPATION RATINGS(1)  
DERATING FACTOR  
ABOVE TA = 25°C  
TA25°C  
TA = 70°C  
TA = 85°C  
BOARD  
PACKAGE  
RΘJC  
RΘJA  
POWER RATING POWER RATING POWER RATING  
Low-K(2)  
High-K(3)  
Low-K(2)  
DBV  
DBV  
DCQ  
DRB  
64°C/W  
64°C/W  
15°C/W  
1.2°C/W  
255°C/W  
180°C/W  
53°C/W  
40°C/W  
3.9mW/°C  
5.6mW/°C  
18.9mW/°C  
25.0mW/°C  
390mW  
560mW  
1.89W  
2.50W  
215mW  
310mW  
1.04W  
1.38W  
155mW  
225mW  
0.76W  
1.0W  
High-K(3)(4)  
(1) See Power Dissipation in the Applications section for more information related to thermal design.  
(2) The JEDEC Low-K (1s) board design used to derive this data was a 3inch x 3inch, 2-layer board with 2-ounce copper traces on top of  
the board.  
(3) The JEDEC High-K (2s2p) board design used to derive this data was a 3inch x 3inch, multilayer board with 1-ounce internal power and  
ground planes and 2-ounce copper traces on the top and bottom of the board.  
(4) Based on preliminary thermal simulations.  
2
TPS736xx  
www.ti.com  
SBVS038KSEPTEMBER 2003REVISED SEPTEMBER 2005  
ELECTRICAL CHARACTERISTICS  
Over operating temperature range (TJ = -40°C to +125°C), VIN = VOUT(nom) + 0.5V(1), IOUT = 10mA, VEN = 1.7V, and  
COUT = 0.1µF, unless otherwise noted. Typical values are at TJ = 25°C.  
PARAMETER  
Input voltage range(1)(2)  
TEST CONDITIONS  
MIN  
1.7  
TYP  
MAX  
5.5  
UNIT  
V
VIN  
VFB  
Internal reference (TPS73601)  
TJ = 25°C  
1.198  
1.20  
1.210  
V
Output voltage range  
(TPS73601)  
VFB  
-0.5  
-1.0  
5.5 - VDO  
+0.5  
V
VOUT  
Nominal  
TJ = 25°C  
Accuracy(1)  
%
over VIN, IOUT  
and T  
,
VOUT + 0.5V VIN5.5V;  
10mA IOUT400mA  
±0.5  
+1.0  
VOUT%/VIN  
Line regulation(1)  
VO(nom) + 0.5VVIN5.5V  
1mA IOUT400mA  
0.01  
0.002  
0.0005  
%/V  
VOUT%/IOUT Load regulation  
%/mA  
10mA IOUT400mA  
Dropout voltage(3)  
(VIN = VOUT(nom) - 0.1V)  
VDO  
IOUT = 400mA  
75  
200  
mV  
ZO(DO)  
Output impedance in dropout  
1.7V VINVOUT + VDO  
VOUT = 0.9 × VOUT(nom)  
3.6V VIN4.2V, 0°C TJ70°C  
VOUT = 0V  
0.25  
650  
400  
500  
800  
800  
mA  
mA  
mA  
µA  
ICL  
Output current limit  
ISC  
Short-circuit current  
Reverse leakage current(4) (-IIN  
450  
0.1  
IREV  
)
VEN 0.5V, 0VVINVOUT  
10  
550  
1000  
1
IOUT = 10mA (IQ)  
IOUT = 400mA  
400  
IGND  
Ground pin current  
µA  
800  
ISHDN  
IFB  
Shutdown current (IGND  
)
VEN 0.5V, VOUTVIN5.5  
0.02  
µA  
µA  
FB pin current (TPS73601)  
0.1  
0.3  
f = 100Hz, IOUT = 400mA  
f = 10KHz, IOUT = 400mA  
COUT = 10µF, No CNR  
58  
Power-supply rejection ratio  
(ripple rejection)  
PSRR  
dB  
37  
27 × VOUT  
8.5 × VOUT  
Output noise voltage  
BW = 10Hz - 100KHz  
VN  
µVRMS  
µs  
COUT = 10µF, CNR = 0.01µF  
VOUT = 3V, RL = 30COUT = 1µF,  
CNR = 0.01µF  
tSTR  
Startup time  
600  
VEN(HI)  
VEN(LO)  
IEN(HI)  
Enable high (enabled)  
1.7  
0
VIN  
0.5  
0.1  
V
V
Enable low (shutdown)  
Enable pin current (enabled)  
VEN = 5.5V  
0.02  
160  
140  
µA  
Shutdown, temperature increasing  
Reset, temperature decreasing  
TSD  
TJ  
Thermal shutdown temperature  
Operating junction temperature  
°C  
°C  
-40  
125  
(1) Minimum VIN = VOUT +VDO or 1.7V, whichever is greater.  
(2) For VOUT(nom) <1.6V, when VIN1.6V, the output will lock to VIN and may result in a damaging over-voltage level on the output. To avoid  
this situation, disable the device before powering down the VIN  
.
(3) VDO is not measured for the TPS73615 (VOUT(nom) = 1.5V) since minimum VIN = 1.7V.  
(4) Refer to Applications section for more information.  
3
TPS736xx  
www.ti.com  
SBVS038KSEPTEMBER 2003REVISED SEPTEMBER 2005  
FUNCTIONAL BLOCK DIAGRAMS  
IN  
4MHz  
Charge Pump  
EN  
Thermal  
Protection  
Ref  
Servo  
27k  
Bandgap  
Error  
Amp  
Current  
Limit  
OUT  
8k  
GND  
R1  
R2  
R1 + R2 = 80k  
NR  
Figure 1. Fixed Voltage Version  
IN  
Table 1. Standard 1%  
Resistor Values for  
Common Output Voltages  
V
O
R
1
R
2
4MHz  
1.2V  
1.5V  
1.8V  
2.5V  
2.8V  
3.0V  
3.3V  
Short  
Open  
Charge Pump  
23.2k  
28.0kΩ  
39.2kΩ  
44.2kΩ  
46.4kΩ  
52.3kΩ  
95.3kΩ  
56.2kΩ  
36.5kΩ  
33.2kΩ  
30.9kΩ  
30.1kΩ  
EN  
Thermal  
Protection  
Ref  
Servo  
27k  
Bandgap  
Error  
Amp  
NOTE: V  
= (R + R )/R × 1.204;  
1 2 2  
OUT  
OUT  
FB  
Current  
Limit  
R
R
19kfor best  
1
2
accuracy.  
GND  
80k  
8k  
R1  
R2  
Figure 2. Adjustable Voltage Version  
4
 
 
TPS736xx  
www.ti.com  
SBVS038KSEPTEMBER 2003REVISED SEPTEMBER 2005  
PIN ASSIGNMENTS  
DRB PACKAGE  
3mm x 3mm SON  
(TOP VIEW)  
DCQ PACKAGE  
SOT223  
(TOP VIEW)  
DBV PACKAGE  
SOT23  
(TOP VIEW)  
OUT  
N/C  
1
2
3
4
8
7
6
5
IN  
TAB IS GND  
N/C  
N/C  
EN  
5
4
IN  
GND  
EN  
1
2
3
OUT  
NR/FB  
GND  
NR/FB  
1
2
3
4
5
IN  
GND  
EN  
OUT  
NR/FB  
Terminal Functions  
SOT23  
(DBV)  
SOT223  
(DCQ)  
3x3 SON  
(DRB)  
NAME  
PIN NO.  
PIN NO.  
PIN NO.  
DESCRIPTION  
Unregulated input supply  
Ground  
IN  
1
2
3
1
3
5
8
4, Pad  
5
GND  
EN  
Driving the enable pin (EN) high turns on the regulator. Driving this pin low puts the  
regulator into shutdown mode. Refer to the Shutdown section under Applications  
Information for more details. EN can be connected to IN if not used.  
NR  
4
4
5
4
4
2
3
3
1
Fixed voltage versions only—connecting an external capacitor to this pin bypasses  
noise generated by the internal bandgap, reducing output noise to very low levels.  
FB  
Adjustable voltage version only—this is the input to the control loop error amplifier,  
and is used to set the output voltage of the device.  
OUT  
Output of the Regulator. There are no output capacitor requirements for stability.  
5
TPS736xx  
www.ti.com  
SBVS038KSEPTEMBER 2003REVISED SEPTEMBER 2005  
TYPICAL CHARACTERISTICS  
For all voltage versions, at TJ = +25°C, VIN = VOUT(nom) + 0.5V, IOUT = 10mA, VEN = 1.7V, and COUT = 0.1µF, unless otherwise  
noted.  
LOAD REGULATION  
LINE REGULATION  
0.20  
0.15  
0.10  
0.05  
0
0.5  
0.4  
0.3  
0.2  
0.1  
0
Referred to IOUT = 10mA  
Referred to VIN = VOUT + 0.5V at IOUT = 10mA  
_
40 C  
_
+25  
C
_
+25  
C
_
+125 C  
_
+125  
C
0.1  
0.2  
0.3  
0.4  
0.5  
0.05  
0.10  
0.15  
0.20  
_
40  
C
0
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
3.5  
4.0  
4.5  
0
50  
100  
150  
200  
250  
300  
350 400  
VIN VOUT (V)  
IOUT (mA)  
Figure 3.  
Figure 4.  
DROPOUT VOLTAGE vs OUTPUT CURRENT  
DROPOUT VOLTAGE vs TEMPERATURE  
100  
80  
60  
40  
20  
0
100  
80  
60  
40  
20  
0
TPS73625DBV  
TPS73625DBV  
_
+125  
C
_
+25  
C
_
40  
C
25  
0
50  
100  
150  
200  
250  
300  
350  
400  
50  
0
25  
50  
75  
100  
125  
_
IOUT (mA)  
Temperature ( C)  
Figure 5.  
Figure 6.  
OUTPUT VOLTAGE ACCURACY HISTOGRAM  
OUTPUT VOLTAGE DRIFT HISTOGRAM  
30  
18  
16  
14  
12  
10  
8
IOUT = 10mA  
All Voltage Versions  
IOUT = 10mA  
25  
20  
15  
10  
5
6
4
2
0
0
VOUT Error (%)  
_
Worst Case dVOUT/dT (ppm/ C)  
Figure 7.  
Figure 8.  
6
TPS736xx  
www.ti.com  
SBVS038KSEPTEMBER 2003REVISED SEPTEMBER 2005  
TYPICAL CHARACTERISTICS (continued)  
For all voltage versions, at TJ = +25°C, VIN = VOUT(nom) + 0.5V, IOUT = 10mA, VEN = 1.7V, and COUT = 0.1µF, unless otherwise  
noted.  
GROUND PIN CURRENT vs OUTPUT CURRENT  
GROUND PIN CURRENT vs TEMPERATURE  
1000  
900  
800  
700  
600  
500  
400  
300  
200  
100  
0
1000  
900  
800  
700  
600  
500  
400  
300  
200  
100  
0
IOUT = 400mA  
VIN = 5.5V  
VIN = 4V  
VIN = 2V  
VIN = 5.5V  
VIN = 3V  
VIN = 2V  
0
100  
200  
300  
400  
25  
50  
0
25  
50  
75  
100  
125  
IOUT (mA)  
_
Temperature ( C)  
Figure 9.  
Figure 10.  
CURRENT LIMIT vs VOUT  
(FOLDBACK)  
GROUND PIN CURRENT in SHUTDOWN  
vs TEMPERATURE  
1
800  
700  
600  
500  
400  
300  
200  
100  
0
VENABLE = 0.5V  
VIN = VO + 0.5V  
ICL  
ISC  
0.1  
TPS73633  
0.5  
0.01  
25  
50  
0
25  
50  
75  
100  
125  
0
1.0  
1.5  
2.0  
2.5  
3.0  
3.5  
_
Temperature ( C)  
VOUT (V)  
Figure 11.  
CURRENT LIMIT vs VIN  
Figure 12.  
CURRENT LIMIT vs TEMPERATURE  
800  
750  
700  
650  
600  
550  
500  
450  
400  
800  
750  
700  
650  
600  
550  
500  
450  
400  
25  
1.5  
2.0  
2.5  
3.0  
3.5  
4.0  
4.5  
5.0  
5.5  
50  
0
25  
50  
75  
100  
125  
_
VIN (V)  
Temperature ( C)  
Figure 13.  
Figure 14.  
7
 
TPS736xx  
www.ti.com  
SBVS038KSEPTEMBER 2003REVISED SEPTEMBER 2005  
TYPICAL CHARACTERISTICS (continued)  
For all voltage versions, at TJ = +25°C, VIN = VOUT(nom) + 0.5V, IOUT = 10mA, VEN = 1.7V, and COUT = 0.1µF, unless otherwise  
noted.  
PSRR (RIPPLE REJECTION) vs FREQUENCY  
PSRR (RIPPLE REJECTION) vs VIN– VOUT  
40  
35  
30  
25  
20  
15  
10  
5
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
IOUT = 100mA  
COUT = Any  
IOUT = 1mA  
µ
COUT = 1  
F
IOUT = 1mA  
COUT = 10 F  
µ
IO = 100mA  
µ
CO = 1 F  
IOUT = 1mA  
COUT = Any  
IOUT = 100mA  
COUT = 10  
Frequency = 100kHz  
µ
F
µ
COUT = 10  
F
IOUT = Any  
COUT = 0  
VOUT = 2.5V  
µ
F
0
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0  
10  
100  
1k  
10k  
100k  
1M  
10M  
VIN VOUT (V)  
Frequency (Hz)  
Figure 15.  
Figure 16.  
NOISE SPECTRAL DENSITY  
NOISE SPECTRAL DENSITY  
CNR = 0µF  
CNR = 0.01µF  
1
1
µ
COUT = 1  
F
µ
COUT = 1  
F
µ
COUT = 0  
F
0.1  
0.1  
µ
COUT = 10 F  
µ
COUT = 0  
F
µ
COUT = 10  
F
IOUT = 150mA  
IOUT = 150mA  
10 100  
0.01  
0.01  
10  
100  
1k  
10k  
100k  
1k  
10k  
100k  
Frequency (Hz)  
Frequency (Hz)  
Figure 17.  
Figure 18.  
RMS NOISE VOLTAGE vs COUT  
RMS NOISE VOLTAGE vs CNR  
60  
50  
40  
30  
20  
10  
0
140  
120  
100  
80  
VOUT = 5.0V  
VOUT = 5.0V  
VOUT = 3.3V  
VOUT = 1.5V  
VOUT = 3.3V  
VOUT = 1.5V  
60  
40  
20  
µ
CNR = 0.01 F  
µ
COUT = 0 F  
10Hz < Frequency < 100kHz  
10Hz < Frequency < 100kHz  
0
0.1  
1
10  
1p  
10p  
100p  
1n  
10n  
µ
COUT ( F)  
CNR (F)  
Figure 19.  
Figure 20.  
8
TPS736xx  
www.ti.com  
SBVS038KSEPTEMBER 2003REVISED SEPTEMBER 2005  
TYPICAL CHARACTERISTICS (continued)  
For all voltage versions, at TJ = +25°C, VIN = VOUT(nom) + 0.5V, IOUT = 10mA, VEN = 1.7V, and COUT = 0.1µF, unless otherwise  
noted.  
TPS73633  
LOAD TRANSIENT RESPONSE  
TPS73633  
LINE TRANSIENT RESPONSE  
µ
µ
µ
V
IN = 3.8V  
COUT = 0  
F
F
F
IOUT = 400mA  
100mV/tick  
50mV/tick  
20mV/tick  
50mA/tick  
VOUT  
VOUT  
VOUT  
IOUT  
µ
COUT = 0  
F
50mV/div  
VOUT  
COUT = 1  
µ
COUT = 100  
F
COUT = 10  
50mV/div  
1V/div  
VOUT  
dVIN  
dt  
5.5V  
µ
= 0.5V/  
s
400mA  
4.5V  
VIN  
10mA  
µ
10 s/div  
µ
10 s/div  
Figure 21.  
Figure 22.  
TPS73633  
TURN-ON RESPONSE  
TPS73633  
TURN-OFF RESPONSE  
RL = 1k  
RL = 20  
COUT = 10µF  
VOUT  
COUT = 0µF  
RL = 20  
RL = 20  
1V/div  
1V/div  
1V/div  
1V/div  
µ
COUT = 1  
F
µ
COUT = 1  
F
RL = 1k  
RL = 20  
COUT = 0µF  
µ
COUT = 10  
F
VOUT  
2V  
2V  
VEN  
0V  
0V  
VEN  
µ
100 s/div  
100µs/div  
Figure 23.  
Figure 24.  
TPS73633  
POWER UP / POWER DOWN  
IENABLE vs TEMPERATURE  
10  
1
6
5
4
3
2
1
0
VIN  
VOUT  
0.1  
1
2
0.01  
25  
50ms/div  
50  
0
25  
50  
75  
100  
125  
_
Temperature ( C)  
Figure 25.  
Figure 26.  
9
TPS736xx  
www.ti.com  
SBVS038KSEPTEMBER 2003REVISED SEPTEMBER 2005  
TYPICAL CHARACTERISTICS (continued)  
For all voltage versions, at TJ = +25°C, VIN = VOUT(nom) + 0.5V, IOUT = 10mA, VEN = 1.7V, and COUT = 0.1µF, unless otherwise  
noted.  
TPS73601  
RMS NOISE VOLTAGE vs CADJ  
TPS73601  
IFB vs TEMPERATURE  
60  
55  
50  
45  
40  
35  
30  
25  
20  
160  
140  
120  
100  
80  
60  
VOUT = 2.5V  
40  
µ
COUT = 0 F  
R1 = 39.2k  
20  
10Hz < Frequency < 100kHz  
0
10p  
100p  
1n  
10n  
25  
50  
0
25  
50  
75  
100  
125  
CFB (F)  
_
Temperature ( C)  
Figure 27.  
Figure 28.  
TPS73601  
TPS73601  
LOAD TRANSIENT, ADJUSTABLE VERSION  
LINE TRANSIENT, ADJUSTABLE VERSION  
CFB = 10nF  
VOUT = 2.5V  
CFB = 10nF  
R1 = 39.2k  
µ
COUT = 0  
F
µ
COUT = 0 F  
VOUT  
VOUT  
100mV/div  
100mV/div  
200mV/div  
200mV/div  
µ
COUT = 10 F  
VOUT  
µ
COUT = 10  
F
VOUT  
4.5V  
400mA  
3.5V  
VIN  
10mA  
IOUT  
µ
µ
s/div  
5
25 s/div  
Figure 29.  
Figure 30.  
10  
TPS736xx  
www.ti.com  
SBVS038KSEPTEMBER 2003REVISED SEPTEMBER 2005  
APPLICATION INFORMATION  
The TPS736xx belongs to a family of new generation  
LDO regulators that use an NMOS pass transistor to  
achieve ultra-low-dropout performance, reverse cur-  
rent blockage, and freedom from output capacitor  
constraints. These features, combined with low noise  
and an enable input, make the TPS736xx ideal for  
portable applications. This regulator family offers a  
wide selection of fixed output voltage versions and an  
adjustable output version. All versions have thermal  
and over-current protection, including foldback cur-  
rent limit.  
Input and Output Capacitor Requirements  
Although an input capacitor is not required for stab-  
ility, it is good analog design practice to connect a  
0.1µF to 1µF low ESR capacitor across the input  
supply near the regulator. This will counteract reac-  
tive input sources and improves transient response,  
noise rejection, and ripple rejection. A higher-value  
capacitor may be necessary if large, fast rise-time  
load transients are anticipated or the device is lo-  
cated several inches from the power source.  
Figure 31 shows the basic circuit connections for the  
fixed voltage models. Figure 32 gives the connections  
for the adjustable output version (TPS73601). R1 and  
R2 can be calculated for any output voltage using the  
formula in Figure 32. Sample resistor values for  
common output voltages are shown in Figure 2. For  
best accuracy, make the parallel combination of R1  
and R2 approximately 19k.  
The TPS736xx does not require an output capacitor  
for stability and has maximum phase margin with no  
capacitor. It is designed to be stable for all available  
types and values of capacitors. In applications where  
VIN – VOUT < 0.5V and multiple low ESR capacitors  
are in parallel, ringing may occur when the product of  
COUT and total ESR drops below 50nF. Total ESR  
includes all parasitic resistances, including capacitor  
ESR and board, socket, and solder joint resistance.  
In most applications, the sum of capacitor ESR and  
trace resistance will meet this requirement.  
Optional input capacitor.  
May improve source  
Optional output capacitor.  
May improve load transient,  
noise, or PSRR.  
impedance, noise, or PSRR.  
Output Noise  
VIN  
VOUT  
IN  
OUT  
TPS736xx  
GND  
A precision band-gap reference is used to generate  
the internal reference voltage, VREF. This reference is  
the dominant noise source within the TPS736xx and  
it generates approximately 32µVRMS (10Hz to  
100kHz) at the reference output (NR). The regulator  
control loop gains up the reference noise with the  
same gain as the reference voltage, so that the noise  
voltage of the regulator is approximately given by:  
EN  
NR  
Optional bypass  
capacitor to reduce  
output noise.  
Figure 31. Typical Application Circuit for  
Fixed-Voltage Versions  
VOUT  
VREF  
(R1 ) R2)  
VN + 32mVRMS  
 
+ 32mVRMS  
 
R2  
(1)  
Optional input capacitor.  
May improve source  
impedance, noise, or PSRR.  
Optional output capacitor.  
May improve load transient,  
noise, or PSRR.  
Since the value of VREF is 1.2V, this relationship  
reduces to:  
mVRMS  
V
ǒ Ǔ  
VN(mVRMS) + 27  
  VOUT(V)  
VIN  
VOUT  
IN  
OUT  
FB  
(2)  
TPS736xx  
R1  
R2  
CFB  
for the case of no CNR  
.
EN  
GND  
An internal 27kresistor in series with the noise  
reduction pin (NR) forms a low-pass filter for the  
voltage reference when an external noise reduction  
capacitor, CNR, is connected from NR to ground. For  
CNR = 10nF, the total noise in the 10Hz to 100kHz  
bandwidth is reduced by a factor of ~3.2, giving the  
approximate relationship:  
Optional capacitor  
reduces output noise  
and improves  
(R1 + R2)  
×
1.204  
VOUT  
=
R1  
transient response.  
Figure 32. Typical Application Circuit for  
Adjustable-Voltage Versions  
mVRMS  
ǒ Ǔ  
VN(mVRMS) + 8.5  
  VOUT(V)  
V
(3)  
for CNR = 10nF.  
11  
 
 
TPS736xx  
www.ti.com  
SBVS038KSEPTEMBER 2003REVISED SEPTEMBER 2005  
This noise reduction effect is shown as RMS Noise  
Voltage vs CNR in the Typical Characteristics section.  
For large step changes in load current, the TPS736xx  
requires a larger voltage drop from VIN to VOUT to  
avoid degraded transient response. The boundary of  
this transient dropout region is approximately twice  
the dc dropout. Values of VIN - VOUT above this line  
insure normal transient response.  
The TPS73601 adjustable version does not have the  
noise-reduction pin available. However, connecting a  
feedback capacitor, CFB , from the output to the FB  
pin will reduce output noise and improve load transi-  
ent performance.  
Operating in the transient dropout region can cause  
an increase in recovery time. The time required to  
recover from a load transient is a function of the  
magnitude of the change in load current rate, the rate  
of change in load current, and the available head-  
room (VIN to VOUT voltage drop). Under worst-case  
conditions [full-scale instantaneous load change with  
(VIN - VOUT) close to dc dropout levels], the TPS736xx  
can take a couple of hundred microseconds to return  
to the specified regulation accuracy.  
The TPS736xx uses an internal charge pump to  
develop an internal supply voltage sufficient to drive  
the gate of the NMOS pass element above VOUT. The  
charge pump generates ~250µV of switching noise at  
~4MHz; however, charge-pump noise contribution is  
negligible at the output of the regulator for most  
values of IOUT and COUT  
.
Board Layout Recommendation to Improve  
PSRR and Noise Performance  
Transient Response  
To improve ac performance such as PSRR, output  
noise, and transient response, it is recommended that  
the board be designed with separate ground planes  
for VIN and VOUT, with each ground plane connected  
only at the GND pin of the device. In addition, the  
ground connection for the bypass capacitor should  
connect directly to the GND pin of the device.  
The low open-loop output impedance provided by the  
NMOS pass element in a voltage follower configur-  
ation allows operation without an output capacitor for  
many applications. As with any regulator, the addition  
of a capacitor (nominal value 1µF) from the output pin  
to ground will reduce undershoot magnitude but  
increase duration. In the adjustable version, the  
addition of a capacitor, CFB, from the output to the  
adjust pin will also improve the transient response.  
Internal Current Limit  
The TPS736xx internal current limit helps protect the  
regulator during fault conditions. Foldback helps to  
protect the regulator from damage during output  
short-circuit conditions by reducing current limit when  
VOUT drops below 0.5V. See Figure 11 in the Typical  
The TPS736xx does not have active pull-down when  
the output is over-voltage. This allows applications  
that connect higher voltage sources, such as alter-  
nate power supplies, to the output. This also results  
in an output overshoot of several percent if load  
current quickly drops to zero when a capacitor is  
connected to the output. The duration of overshoot  
can be reduced by adding a load resistor. The  
overshoot decays at a rate determined by output  
capacitor COUT and the internal/external load resist-  
ance. The rate of decay is given by:  
Characteristics section for a graph of IOUT vs VOUT  
.
Shutdown  
The Enable pin is active high and is compatible with  
standard TTL-CMOS levels. VEN below 0.5V (max)  
turns the regulator off and drops the ground pin  
current to approximately 10nA. When shutdown capa-  
bility is not required, the Enable pin can be connected  
to VIN. When a pull-up resistor is used, and operation  
down to 1.8V is required, use pull-up resistor values  
below 50k.  
(Fixed Voltage Version)  
VOUT  
dVńdt +  
COUT   80kW ø RLOAD  
(4)  
(Adjustable Voltage Version)  
VOUT  
dVńdt +  
Dropout Voltage  
(
)
COUT   80kW ø R1 ) R2 ø RLOAD  
(5)  
The TPS736xx uses an NMOS pass transistor to  
achieve extremely low dropout. When (VIN - VOUT) is  
less than the dropout voltage (VDO), the NMOS pass  
device is in its linear region of operation and the  
input-to-output resistance is the RDS-ON of the NMOS  
pass element.  
12  
TPS736xx  
www.ti.com  
SBVS038KSEPTEMBER 2003REVISED SEPTEMBER 2005  
Reverse Current  
expected ambient temperature and worst-case load.  
The NMOS pass element of the TPS736xx provides  
inherent protection against current flow from the  
output of the regulator to the input when the gate of  
the pass device is pulled low. To ensure that all  
charge is removed from the gate of the pass element,  
the enable pin must be driven low before the input  
voltage is removed. If this is not done, the pass  
element may be left on due to stored charge on the  
gate.  
The internal protection circuitry of the TPS736xx has  
been designed to protect against overload conditions.  
It was not intended to replace proper heat sinking.  
Continuously running the TPS736xx into thermal  
shutdown will degrade reliability.  
Power Dissipation  
The ability to remove heat from the die is different for  
each package type, presenting different consider-  
ations in the PCB layout. The PCB area around the  
device that is free of other components moves the  
heat from the device to the ambient air. Performance  
data for JEDEC low and high K boards are shown in  
the Power Dissipation Ratings table. Using heavier  
copper will increase the effectiveness in removing  
heat from the device. The addition of plated  
through-holes to heat-dissipating layers will also im-  
prove the heat-sink effectiveness.  
After the enable pin is driven low, no bias voltage is  
needed on any pin for reverse current blocking. Note  
that reverse current is specified as the current flowing  
out of the IN pin due to voltage applied on the OUT  
pin. There will be additional current flowing into the  
OUT pin due to the 80kinternal resistor divider to  
ground (see Figure 1 and Figure 2).  
For the TPS73601, reverse current may flow when  
VFB is more than 1.0V above VIN.  
Power dissipation depends on input voltage and load  
conditions. Power dissipation is equal to the product  
of the output current times the voltage drop across  
the output pass element (VIN to VOUT):  
Thermal Protection  
Thermal protection disables the output when the  
junction temperature rises to approximately 160°C,  
allowing the device to cool. When the junction tem-  
perature cools to approximately 140°C, the output  
circuitry is again enabled. Depending on power dissi-  
pation, thermal resistance, and ambient temperature,  
the thermal protection circuit may cycle on and off.  
This limits the dissipation of the regulator, protecting  
it from damage due to overheating.  
PD  
(VIN VOUT  
)
IOUT  
(6)  
Power dissipation can be minimized by using the  
lowest possible input voltage necessary to assure the  
required output voltage.  
Package Mounting  
Any tendency to activate the thermal protection circuit  
indicates excessive power dissipation or an inad-  
equate heat sink. For reliable operation, junction  
temperature should be limited to 125°C maximum. To  
estimate the margin of safety in a complete design  
(including heat sink), increase the ambient tempera-  
ture until the thermal protection is triggered; use  
worst-case loads and signal conditions. For good  
reliability, thermal protection should trigger at least  
35°C above the maximum expected ambient con-  
dition of your application. This produces a worst-case  
junction temperature of 125°C at the highest  
Solder pad footprint recommendations for the  
TPS736xx are presented in Application Bulletin  
Solder Pad Recommendations for Surface-Mount De-  
vices (AB-132), available from the Texas Instruments  
web site at www.ti.com.  
13  
PACKAGE OPTION ADDENDUM  
www.ti.com  
13-Sep-2005  
PACKAGING INFORMATION  
Orderable Device  
TPS73601DBVR  
TPS73601DBVRG4  
TPS73601DBVT  
Status (1)  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
Package Package  
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)  
Qty  
Type  
Drawing  
SOT-23  
DBV  
5
5
5
5
6
6
6
8
8
8
8
8
8
8
8
5
5
5
5
6
6
8
8
8
8
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SOT-23  
SOT-23  
SOT-23  
SOP  
DBV  
DBV  
DBV  
DCQ  
DCQ  
DCQ  
DRB  
DRB  
DRB  
DRB  
DRB  
DRB  
DRB  
DRB  
DBV  
DBV  
DBV  
DBV  
DCQ  
DCQ  
DRB  
DRB  
DRB  
DRB  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
TPS73601DBVTG4  
TPS73601DCQ  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
78 Green (RoHS &  
no Sb/Br)  
Call TI  
Call TI  
Call TI  
Level-2-260C-1 YEAR  
Level-2-260C-1 YEAR  
Level-2-260C-1 YEAR  
TPS73601DCQR  
TPS73601DCQRG4  
TPS73601DRBR  
TPS73601DRBRG4  
TPS73601DRBT  
TPS73601DRBTG4  
TPS736125DRBR  
TPS736125DRBRG4  
TPS736125DRBT  
TPS736125DRBTG4  
TPS73615DBVR  
TPS73615DBVRG4  
TPS73615DBVT  
SOP  
2500 Green (RoHS &  
no Sb/Br)  
SOP  
2500 Green (RoHS &  
no Sb/Br)  
SON  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
SOP  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
TPS73615DBVTG4  
TPS73615DCQ  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
78 Green (RoHS &  
no Sb/Br)  
Call TI  
Level-2-260C-1 YEAR  
TPS73615DCQR  
TPS73615DRBR  
TPS73615DRBRG4  
TPS73615DRBT  
TPS73615DRBTG4  
SOP  
2500 Green (RoHS &  
no Sb/Br)  
Call TI  
Level-2-260C-1 YEAR  
SON  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
Addendum-Page 1  
PACKAGE OPTION ADDENDUM  
www.ti.com  
13-Sep-2005  
Orderable Device  
TPS73618DBVR  
TPS73618DBVRG4  
TPS73618DBVT  
Status (1)  
ACTIVE  
ACTIVE  
ACTIVE  
Package Package  
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)  
Qty  
Type  
Drawing  
SOT-23  
DBV  
5
5
5
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SOT-23  
SOT-23  
DBV  
DBV  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
TPS73618DCQ  
TPS73618DCQR  
TPS73625DBVR  
ACTIVE  
ACTIVE  
ACTIVE  
SOP  
SOP  
DCQ  
DCQ  
DBV  
6
6
5
78  
TBD  
TBD  
Call TI  
Call TI  
Level-3-240C-168 HR  
Level-3-240C-168 HR  
2500  
SOT-23  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
TPS73625DBVRG4  
TPS73625DBVT  
TPS73625DBVTG4  
TPS73625DCQ  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
SOT-23  
SOT-23  
SOT-23  
SOP  
DBV  
DBV  
DBV  
DCQ  
DCQ  
DCQ  
DCQ  
DBV  
DBV  
DBV  
DCQ  
DCQ  
DCQ  
DCQ  
DBV  
DBV  
DBV  
DBV  
DBV  
DBV  
DBV  
5
5
5
6
6
6
6
5
5
5
6
6
6
6
5
5
5
5
5
5
5
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
78 Green (RoHS &  
no Sb/Br)  
Call TI  
Call TI  
Call TI  
Call TI  
Level-2-260C-1 YEAR  
Level-2-260C-1 YEAR  
Level-2-260C-1 YEAR  
Level-2-260C-1 YEAR  
TPS73625DCQG4  
TPS73625DCQR  
TPS73625DCQRG4  
TPS73630DBVR  
TPS73630DBVRG4  
TPS73630DBVT  
TPS73630DCQ  
SOP  
78 Green (RoHS &  
no Sb/Br)  
SOP  
2500 Green (RoHS &  
no Sb/Br)  
SOP  
2500 Green (RoHS &  
no Sb/Br)  
SOT-23  
SOT-23  
SOT-23  
SOP  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
78 Green (RoHS &  
no Sb/Br)  
Call TI  
Call TI  
Call TI  
Call TI  
Level-2-260C-1 YEAR  
Level-2-260C-1 YEAR  
Level-2-260C-1 YEAR  
Level-2-260C-1 YEAR  
TPS73630DCQG4  
TPS73630DCQR  
TPS73630DCQRG4  
TPS73632DBVR  
TPS73632DBVRG4  
TPS73632DBVT  
TPS73632DBVTG4  
TPS73633DBVR  
TPS73633DBVRG4  
TPS73633DBVT  
SOP  
78 Green (RoHS &  
no Sb/Br)  
SOP  
2500 Green (RoHS &  
no Sb/Br)  
SOP  
2500 Green (RoHS &  
no Sb/Br)  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
Addendum-Page 2  
PACKAGE OPTION ADDENDUM  
www.ti.com  
13-Sep-2005  
Orderable Device  
Status (1)  
Package Package  
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)  
Qty  
Type  
Drawing  
no Sb/Br)  
TPS73633DBVTG4  
TPS73633DCQ  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
SOT-23  
SOP  
DBV  
DCQ  
DCQ  
DCQ  
DCQ  
DRB  
DRB  
DRB  
DRB  
DBV  
DBV  
DBV  
DBV  
5
6
6
6
6
8
8
8
8
5
5
5
5
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
78 Green (RoHS &  
no Sb/Br)  
Call TI  
Call TI  
Call TI  
Call TI  
Level-2-260C-1 YEAR  
Level-2-260C-1 YEAR  
Level-2-260C-1 YEAR  
Level-2-260C-1 YEAR  
TPS73633DCQG4  
TPS73633DCQR  
TPS73633DCQRG4  
TPS73633DRBR  
TPS73633DRBRG4  
TPS73633DRBT  
TPS73633DRBTG4  
TPS73643DBVR  
TPS73643DBVRG4  
TPS73643DBVT  
SOP  
78 Green (RoHS &  
no Sb/Br)  
SOP  
2500 Green (RoHS &  
no Sb/Br)  
SOP  
2500 Green (RoHS &  
no Sb/Br)  
SON  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
TPS73643DBVTG4  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
(1) The marketing status values are defined as follows:  
ACTIVE: Product device recommended for new designs.  
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.  
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in  
a new design.  
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.  
OBSOLETE: TI has discontinued the production of the device.  
(2)  
Eco Plan  
-
The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS  
&
no Sb/Br)  
-
please check  
http://www.ti.com/productcontent for the latest availability information and additional product content details.  
TBD: The Pb-Free/Green conversion plan has not been defined.  
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements  
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered  
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.  
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame  
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)  
(3)  
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder  
temperature.  
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is  
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the  
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take  
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on  
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited  
information may not be available for release.  
Addendum-Page 3  
PACKAGE OPTION ADDENDUM  
www.ti.com  
13-Sep-2005  
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI  
to Customer on an annual basis.  
Addendum-Page 4  
PACKAGE OPTION ADDENDUM  
www.ti.com  
27-Sep-2005  
Orderable Device  
Status (1)  
Package Package  
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)  
Qty  
Type  
Drawing  
no Sb/Br)  
TPS73633DRBRG4  
TPS73633DRBT  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
SON  
SON  
DRB  
DRB  
DRB  
DBV  
DBV  
DBV  
DBV  
8
8
8
5
5
5
5
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
TPS73633DRBTG4  
TPS73643DBVR  
TPS73643DBVRG4  
TPS73643DBVT  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
TPS73643DBVTG4  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
(1) The marketing status values are defined as follows:  
ACTIVE: Product device recommended for new designs.  
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.  
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in  
a new design.  
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.  
OBSOLETE: TI has discontinued the production of the device.  
(2)  
Eco Plan  
-
The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS  
&
no Sb/Br)  
-
please check  
http://www.ti.com/productcontent for the latest availability information and additional product content details.  
TBD: The Pb-Free/Green conversion plan has not been defined.  
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements  
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered  
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.  
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame  
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)  
(3)  
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder  
temperature.  
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is  
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the  
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take  
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on  
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited  
information may not be available for release.  
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI  
to Customer on an annual basis.  
Addendum-Page 3  
PACKAGE OPTION ADDENDUM  
www.ti.com  
18-Oct-2005  
PACKAGING INFORMATION  
Orderable Device  
TPS73601DBVR  
TPS73601DBVRG4  
TPS73601DBVT  
Status (1)  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
Package Package  
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)  
Qty  
Type  
Drawing  
SOT-23  
DBV  
5
5
5
5
6
6
6
8
8
8
8
8
8
8
8
5
5
5
5
6
6
8
8
8
8
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
SOT-23  
SOT-23  
SOT-23  
SOT-223  
SOT-223  
SOT-223  
SON  
DBV  
DBV  
DBV  
DCQ  
DCQ  
DCQ  
DRB  
DRB  
DRB  
DRB  
DRB  
DRB  
DRB  
DRB  
DBV  
DBV  
DBV  
DBV  
DCQ  
DCQ  
DRB  
DRB  
DRB  
DRB  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
TPS73601DBVTG4  
TPS73601DCQ  
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
78 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
TPS73601DCQR  
TPS73601DCQRG4  
TPS73601DRBR  
TPS73601DRBRG4  
TPS73601DRBT  
TPS73601DRBTG4  
TPS736125DRBR  
TPS736125DRBRG4  
TPS736125DRBT  
TPS736125DRBTG4  
TPS73615DBVR  
TPS73615DBVRG4  
TPS73615DBVT  
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
SOT-223  
SOT-223  
SON  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
TPS73615DBVTG4  
TPS73615DCQ  
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
78 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
TPS73615DCQR  
TPS73615DRBR  
TPS73615DRBRG4  
TPS73615DRBT  
TPS73615DRBTG4  
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
Addendum-Page 1  
PACKAGE OPTION ADDENDUM  
www.ti.com  
18-Oct-2005  
Orderable Device  
TPS73618DBVR  
TPS73618DBVRG4  
TPS73618DBVT  
TPS73618DBVTG4  
TPS73618DCQ  
Status (1)  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
Package Package  
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)  
Qty  
Type  
Drawing  
SOT-23  
DBV  
5
5
5
5
6
6
5
5
5
5
6
6
6
6
5
5
5
6
6
6
6
5
5
5
5
5
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
SOT-23  
SOT-23  
SOT-23  
SOT-223  
SOT-223  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
SOT-223  
SOT-223  
SOT-223  
SOT-223  
SOT-23  
SOT-23  
SOT-23  
SOT-223  
SOT-223  
SOT-223  
SOT-223  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
DBV  
DBV  
DBV  
DCQ  
DCQ  
DBV  
DBV  
DBV  
DBV  
DCQ  
DCQ  
DCQ  
DCQ  
DBV  
DBV  
DBV  
DCQ  
DCQ  
DCQ  
DCQ  
DBV  
DBV  
DBV  
DBV  
DBV  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
78 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
TPS73618DCQR  
TPS73625DBVR  
TPS73625DBVRG4  
TPS73625DBVT  
TPS73625DBVTG4  
TPS73625DCQ  
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
78 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
TPS73625DCQG4  
TPS73625DCQR  
TPS73625DCQRG4  
TPS73630DBVR  
TPS73630DBVRG4  
TPS73630DBVT  
TPS73630DCQ  
78 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
78 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
TPS73630DCQG4  
TPS73630DCQR  
TPS73630DCQRG4  
TPS73632DBVR  
TPS73632DBVRG4  
TPS73632DBVT  
TPS73632DBVTG4  
TPS73633DBVR  
78 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
Addendum-Page 2  
PACKAGE OPTION ADDENDUM  
www.ti.com  
18-Oct-2005  
Orderable Device  
TPS73633DBVRG4  
TPS73633DBVT  
Status (1)  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
Package Package  
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)  
Qty  
Type  
Drawing  
SOT-23  
DBV  
5
5
5
6
6
6
6
8
8
8
8
5
5
5
5
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
SOT-23  
SOT-23  
SOT-223  
SOT-223  
SOT-223  
SOT-223  
SON  
DBV  
DBV  
DCQ  
DCQ  
DCQ  
DCQ  
DRB  
DRB  
DRB  
DRB  
DBV  
DBV  
DBV  
DBV  
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
TPS73633DBVTG4  
TPS73633DCQ  
250 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
78 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
TPS73633DCQG4  
TPS73633DCQR  
TPS73633DCQRG4  
TPS73633DRBR  
TPS73633DRBRG4  
TPS73633DRBT  
TPS73633DRBTG4  
TPS73643DBVR  
TPS73643DBVRG4  
TPS73643DBVT  
78 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
2500 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SON  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
TPS73643DBVTG4  
250 Green (RoHS & CU NIPDAU Level-2-260C-1 YEAR  
no Sb/Br)  
(1) The marketing status values are defined as follows:  
ACTIVE: Product device recommended for new designs.  
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.  
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in  
a new design.  
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.  
OBSOLETE: TI has discontinued the production of the device.  
(2)  
Eco Plan  
-
The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS  
&
no Sb/Br)  
-
please check  
http://www.ti.com/productcontent for the latest availability information and additional product content details.  
TBD: The Pb-Free/Green conversion plan has not been defined.  
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements  
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered  
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.  
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame  
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)  
(3)  
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder  
temperature.  
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is  
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the  
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take  
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on  
Addendum-Page 3  
PACKAGE OPTION ADDENDUM  
www.ti.com  
18-Oct-2005  
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited  
information may not be available for release.  
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI  
to Customer on an annual basis.  
Addendum-Page 4  
IMPORTANT NOTICE  
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,  
enhancements, improvements, and other changes to its products and services at any time and to discontinue  
any product or service without notice. Customers should obtain the latest relevant information before placing  
orders and should verify that such information is current and complete. All products are sold subject to TI’s terms  
and conditions of sale supplied at the time of order acknowledgment.  
TI warrants performance of its hardware products to the specifications applicable at the time of sale in  
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI  
deems necessary to support this warranty. Except where mandated by government requirements, testing of all  
parameters of each product is not necessarily performed.  
TI assumes no liability for applications assistance or customer product design. Customers are responsible for  
their products and applications using TI components. To minimize the risks associated with customer products  
and applications, customers should provide adequate design and operating safeguards.  
TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right,  
copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process  
in which TI products or services are used. Information published by TI regarding third-party products or services  
does not constitute a license from TI to use such products or services or a warranty or endorsement thereof.  
Use of such information may require a license from a third party under the patents or other intellectual property  
of the third party, or a license from TI under the patents or other intellectual property of TI.  
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