TPS715-Q1 [TI]
汽车类 50mA、24V、超低 IQ、低压降稳压器;
| 型号： | TPS715-Q1 |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | 汽车类 50mA、24V、超低 IQ、低压降稳压器 电源电路 线性稳压器IC |
| 文件： | 总11页 (文件大小：232K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TPS71501-Q1
TPS71525-Q1, TPS71530-Q1
A
c
t
u
a
l
S
i
z
e
(
2
,
1
5
m
m
x
2
,
3
m
m
)
TPS71533-Q1, TPS71550-Q1
www.ti.com
SGLS272C–OCTOBER 2004–REVISED APRIL 2007
50-mA, 24-V, 3.2-µA Supply Current
Low-Dropout Linear Regulators in SC70 Package
FEATURES
APPLICATIONS
•
•
•
Ultra-Low-Power Microcontrollers
Cellular/Cordless Handsets
Portable/Battery-Powered Equipment
•
Qualification in Accordance With
(1)
AEC-Q100
•
•
Qualified for Automotive Applications
Customer-Specific Configuration Control Can
Be Supported Along With Major-Change
Approval
DESCRIPTION
The TPS715xx low-dropout (LDO) voltage regulators
offer the benefits of high input voltage, LDO voltage,
low-power operation, and miniaturized packaging.
The devices, which operate over an input range of
2.5 V to 24 V, are stable with any capacitor
(>0.47 µF). The LDO voltage and low quiescent
current allow operations at extremely low power
levels. Therefore, the devices are ideal for powering
battery-management ICs. Specifically, since the
devices are enabled as soon as the applied voltage
reaches the minimum input voltage, the output is
quickly available to power continuously operating
battery-charging ICs.
•
•
•
•
•
24-V Maximum Input Voltage
Low 3.2-µA Quiescent Current at 50 mA
Stable With Any Capacitor (>0.47 µF)
50-mA Low-Dropout Regulator
Available in 2.5 V, 3 V, 3.3 V, 5 V, and
Adjustable (1.2 V to 15 V)
•
•
•
Minimum/Maximum Specified Current Limit
5-Pin SC70/SOT-323 (DCK) Package
–40°C to 125°C Specified Junction
Temperature Range
The usual PNP pass transistor has been replaced by
a PMOS pass element. Because the PMOS pass
element behaves as a low-value resistor, the LDO
voltage, typically 415 mV at 50 mA of load current, is
directly proportional to the load current. The low
quiescent current (3.2 µA typ) is stable over the
entire range of output load current (0 mA to 50 mA).
(1) Contact Texas Instruments for details. Q100 qualification data
available on request.
DCK PACKAGE
(TOP VIEW)
OUT
TPS715xx
MSP430
IN
FB/NC
GND
NC
1
2
5
OUT
IN
Li–
3
4
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
AVAILABLE OPTIONS(1)
TJ
VOLTAGE
PACKAGE
PART NUMBER
SYMBOL
ANU
2.5 V
SC70/SOT-323 (DCK)
SC70/SOT-323 (DCK)
SC70/SOT-323 (DCK)
SC70/SOT-323 (DCK)
SC70/SOT-323 (DCK)
TPS71525QDCKRQ1
TPS71530QDCKRQ1
TPS71533QDCKRQ1
TPS71550QDCKRQ1
TPS71501QDCKRQ1
3 V
ANV
–40°C to 125°C
3.3 V
5 V
ANW
ANX
(Adjustable) 1.2 V–15 V
ANS
(1) Contact Texas Instruments for other voltage options between 1.25 V and 5.85 V.
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.
PRODUCTION DATA information is current as of publication date.
Copyright © 2004–2007, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
TPS71501-Q1
TPS71525-Q1, TPS71530-Q1
TPS71533-Q1, TPS71550-Q1
www.ti.com
SGLS272C–OCTOBER 2004–REVISED APRIL 2007
ABSOLUTE MAXIMUM RATINGS
over operating temperature range (unless otherwise noted)(1)(2)
UNIT
–0.3 V to 24 V
–0.3 V to 16.5 V
Internally limited
2 kV
VIN range
VOUT range
Peak output current
ESD rating, HBM
ESD rating, CDM
500 V
Continuous total power dissipation
Junction temperature range, TJ
Storage temperature range, Tstg
See Dissipation Rating Table
–40°C to 150°C
–65°C to 150°C
(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 recommended operating
conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltage values are with respect to network ground terminal.
DISSIPATION RATING TABLE
DERATING FACTOR
ABOVE TA = 25°C
T
A ≤ 25°C
TA = 70°C
TA = 85°C
BOARD
PACKAGE
RθJC°C/W
RθJA°C/W
POWER RATING POWER RATING POWER RATING
Low-K(1)
High-K(2)
DCK
DCK
165
165
395
315
2.52 mW/°C
3.18 mW/°C
250 mW
320 mW
140 mW
175 mW
100 mW
130 mW
(1) The JEDEC Low-K (1s) board design used to derive this data was a 3-in × 3-in, two-layer board with 2-oz copper traces on top of the
board.
(2) The JEDEC High-K (2s2p) board design used to derive this data was a 3-in × 3-in, multilayer board with 1-oz internal power and ground
planes and 2-oz copper traces on top and bottom of the board.
2
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TPS71501-Q1
TPS71525-Q1, TPS71530-Q1
TPS71533-Q1, TPS71550-Q1
www.ti.com
SGLS272C–OCTOBER 2004–REVISED APRIL 2007
ELECTRICAL CHARACTERISTICS
over operating junction temperature range (TJ = –40°C to 125°C), VIN = VOUT(NOM) + 1 V, IOUT = 1 mA, COUT = 1 µF (unless
otherwise noted). Typical values are at TJ = 25°C.
PARAMETER
TEST CONDITIONS
MIN TYP
MAX UNIT
IO = 10 mA
IO = 50 mA
2.5
3
24
V
VIN
Input voltage(1)
24
VOUT voltage range (TPS71501)
VOUT accuracy(1) over VIN, IOUT, and T VIN + 1 V ≤ VIN ≤ 24 V , 100 µA ≤ IOUT ≤ 50 mA
1.2
–4%
3.2
22
15
4%
12
V
IGND
Ground-pin current
0 mA ≤ IOUT ≤ 50 mA
IOUT = 100 µA to 50 mA
VOUT + 1 V < VIN ≤ 24 V
µA
mV
mV
∆VOUT/∆IOUT
∆VOUT/∆VIN
Load regulation
(1)
Output voltage line regulation
20
60
BW = 200 Hz to 100 kHz, COUT = 10 µF,
IOUT = 50 mA
Vn
Output noise voltage
575
µVrms
ICL
Output current limit
VO = 0 V
125
60
750
750
mA
dB
PSRR
Power-supply ripple rejection
f = 100 kHz, COUT = 10 µF
Dropout voltage,
VIN = VOUT(NOM) – 1 V
VDO
IOUT = 50 mA
415
mV
(1) Minimum VIN = VOUT + VDO or the value shown for input voltage in this table, whichever is greater.
3
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TPS71501-Q1
TPS71525-Q1, TPS71530-Q1
TPS71533-Q1, TPS71550-Q1
www.ti.com
SGLS272C–OCTOBER 2004–REVISED APRIL 2007
FUNCTIONAL BLOCK DIAGRAMS
V(OUT)
V(IN)
Current
Sense
Leakage Null
Control Circuit
ILIM
R1
R2
_
+
GND
FB
Vref = 1.205 V
Bandgap
Reference
Figure 1. Functional Block Diagram—Adjustable Version
V(OUT)
V(IN)
Current
Sense
Leakage Null
Control Circuit
ILIM
R1
_
+
GND
R2
Vref = 1.205 V
Bandgap
Reference
Figure 2. Functional Block Diagram—Fixed Version
Table 1. Terminal Functions
TERMINAL
NO.
DESCRIPTION
NAME
FIXED
ADJ.
FB
NC
1
Adjustable version. This terminal is used to set the output voltage.
1
2
3
4
5
No connection
Ground
GND
NC
2
3
4
5
No connection
Input supply.
IN
OUT
Output of the regulator, any output capacitor ≥ 0.47 µF can be used for stability.
4
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TPS71501-Q1
TPS71525-Q1, TPS71530-Q1
TPS71533-Q1, TPS71550-Q1
www.ti.com
SGLS272C–OCTOBER 2004–REVISED APRIL 2007
TYPICAL CHARACTERISTICS
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
QUIESCENT CURRENT
vs
FREE-AIR TEMPERATURE
3.320
3.315
3.32
3.31
4.5
V
V
= 4.3 V
= 3.3 V
IN
OUT
= 1 µF
V
C
= 4.3 V
IN
= 1 µF
I
= 1 mA
OUT
OUT
4
I
OUT
T
J
= 25°C
3.30
3.29
3.28
3.27
3.26
3.25
3.310
3.305
3.300
3.5
3
I
= 50 mA
OUT
2.5
2
V
C
= 4.3 V
3.295
3.290
IN
= 1 µF
OUT
0
10
20
30
40
50
−40−25 −10 5 20 35 50 65 80 95 110 125
−40 −25 −10 5 20 35 50 65 80 95 110 125
I
− Output Current − mA
T
J
− Free−Air Temperature − °C
O
T
J
− Free-Air Temperature − °C
Figure 3.
Figure 4.
Figure 5.
OUTPUT SPECTRAL
NOISE DENSITY
vs
OUTPUT IMPEDANCE
vs
DROPOUT VOLTAGE
vs
OUTPUT CURRENT
FREQUENCY
FREQUENCY
8
7
6
5
4
3
2
1
0
600
18
16
14
V
V
C
= 4.3 V
V
V
C
= 4.3 V
= 3.3 V
= 1 µF
OUT
= 25°C
IN
IN
V
= 3.2 V
IN
= 3.3 V
OUT
OUT
I
= 1 mA
C
OUT
= 1 µF
OUT
500
= 1 µF
OUT
T
J
T
J
= 125°C
12
10
8
400
300
I
= 50 mA
OUT
T
J
= 25°C
6
4
2
0
I
= 1 mA
OUT
200
100
0
T
J
= −40°C
I
= 50 mA
1k
OUT
100
1 k
10 k
100 k
10
100
10k 100k
1 M 10 M
0
10
20
30
40
50
f − Frequency − Hz
f − Frequency − Hz
I
− Output Current − mA
OUT
Figure 6.
Figure 7.
Figure 8.
TPS71501
POWER-SUPPLY
DROPOUT VOLTAGE
vs
DROPOUT VOLTAGE
vs
FREE-AIR TEMPERATURE
RIPPLE REJECTION
vs
INPUT VOLTAGE
FREQUENCY
1
600
500
400
300
200
100
0
100
I
= 50 mA
OUT
V
V
= 4.3 V
IN
V
= 3.2 V
IN
0.9
0.8
90
80
= 3.3 V
OUT
C
OUT
= 10 µF
T
= 125°C
J
I
= 50 mA
T = 25°C
J
OUT
0.7
0.6
70
60
50
T
J
= 25°C
I
= 1 mA
OUT
0.5
0.4
0.3
0.2
40
30
20
T
J
= −40°C
I
= 10 mA
OUT
I
= 50 mA
OUT
0.1
0
10
0
0
3
6
9
12
15
10
100
1k
10k 100k
1 M 10 M
−40 −25 −10
5
20 35 50 65 80
110 125
95
V
− Input Voltage − V
IN
f − Frequency − Hz
T
J
− Free-Air Temperature − °C
Figure 9.
Figure 10.
Figure 11.
5
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TPS71501-Q1
TPS71525-Q1, TPS71530-Q1
TPS71533-Q1, TPS71550-Q1
www.ti.com
SGLS272C–OCTOBER 2004–REVISED APRIL 2007
TYPICAL CHARACTERISTICS (continued)
POWER UP / POWER DOWN
LINE TRANSIENT RESPONSE
LOAD TRANSIENT RESPONSE
8
7
V
V
C
= 4.3 V
IN
V
R
C
= 3.3 V
= 66 Ω
= 10 µF
V
I
C
= 3.3 V
= 50 mA
= 10 µF
OUT
OUT
400
200
0
= 3.3 V
100
50
OUT
L
OUT
= 10 µF
OUT
OUT
OUT
6
5
4
0
-200
60
40
20
0
−50
3
V
IN
5.3
4.3
2
1
0
V
6
OUT
0
100 200 300 400 500 600 700 800 900 1000
t − Time − µs
0
50 100 150 200 250 300 350 400 450 500
0
2
4
8
10 12 14 16 18 20
t − Time − ms
t − Time − ms
Figure 12.
Figure 13.
Figure 14.
6
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TPS71501-Q1
TPS71525-Q1, TPS71530-Q1
TPS71533-Q1, TPS71550-Q1
www.ti.com
SGLS272C–OCTOBER 2004–REVISED APRIL 2007
APPLICATION INFORMATION
The TPS715xx family of LDO regulators has been optimized for ultra-low power applications such as the
MSP430 microcontroller. Its ultralow supply current maximizes efficiency at light loads and its high input voltage
range makes it suitable for supplies such as unconditioned solar panels.
4
5
V
I
IN
OUT
V
O
C1
3
NC
0.1 µF
1
NC/FB
0.47 µF
GND
2
Figure 15. Typical Application Circuit (Fixed Voltage Version)
External Capacitor Requirements
Although not required, a 0.047-µF or larger input bypass capacitor, connected between IN and GND and located
close to the device, is recommended to improve transient response and noise rejection of the power supply as a
whole. A higher-value input capacitor may be necessary if large, fast-rise-time load transients are anticipated
and the device is located several inches from the power source.
The TPS715xx requires an output capacitor connected between OUT and GND to stabilize the internal control
loop. Any capacitor (including ceramic and tantalum) ≥0.47 µF properly stabilizes this loop.
Power Dissipation and Junction Temperature
To ensure reliable operation, worst-case junction temperature should not exceed 125°C. This restriction limits
the power dissipation the regulator can handle in any given application. To ensure the junction temperature is
within acceptable limits, calculate the maximum allowable dissipation, PD(max), and the actual dissipation, PD,
which must be less than or equal to PD(max)
.
The maximum-power-dissipation limit is determined using the following equation:
T max * T
J
+
A
P
D(max)
R
qJA
(1)
where:
TJmax = Maximum allowable junction temperature
θJA = Thermal resistance junction-to-ambient for the package (see the Dissipation Ratings table)
R
TA = Ambient temperature
The regulator dissipation is calculated using:
+ ǒVI * V
Ǔ
P
I
D
O
O
(2)
Power dissipation resulting from quiescent current is negligible.
7
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TPS71501-Q1
TPS71525-Q1, TPS71530-Q1
TPS71533-Q1, TPS71550-Q1
www.ti.com
SGLS272C–OCTOBER 2004–REVISED APRIL 2007
APPLICATION INFORMATION (continued)
Regulator Protection
The TPS715xx PMOS-pass transistor has a built-in back diode that conducts reverse current when the input
voltage drops below the output voltage (e.g., during power down). Current is conducted from the output to the
input and is not internally limited. If extended reverse voltage operation is anticipated, external limiting might be
appropriate.
The TPS715xx features internal current limiting. During normal operation, the TPS715xx limits output current to
approximately 500 mA. When current limiting engages, the output voltage scales back linearly until the
overcurrent condition ends. Take care not to exceed the power dissipation ratings of the package.
Programming the TPS71501 Adjustable LDO Regulator
The output voltage of the TPS71501 adjustable regulator is programmed using an external resistor divider as
shown in Figure 16. The output voltage is calculated using:
R1
R2
ǒ1 ) Ǔ
V
+ V
O
ref
(3)
where:
VREF = 1.205 V typ (the internal reference voltage)
Resistors R1 and R2 should be chosen for approximately 1.5-µA divider current. Lower value resistors can be
used for improved noise performance, but the solution consumes more power. Higher resistor values should be
avoided as leakage current into/out of FB across R1/R2 creates an offset voltage that artificially
increases/decreases the feedback voltage and thus erroneously decreases/increases VO. The recommended
design procedure is to choose R2 = 1 MΩ to set the divider current at 1.5 µA and then calculate R1 using:
V
O
R1 +
* 1 R2
ǒ Ǔ
V
ref
(4)
TPS71501
IN
OUTPUT VOLTAGE
PROGRAMMING GUIDE
V
I
0.1 µF
OUTPUT
R1
R2
VOLTAGE
OUT
V
O
1 MΩ
1 MΩ
1 MΩ
1.8 V
0.499 MΩ
1.33 MΩ
3.16 MΩ
R1
R2
0.47 µF
2.8 V
FB
5 V
GND
Figure 16. TPS71501 Adjustable LDO Regulator Programming
8
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PACKAGE OPTION ADDENDUM
www.ti.com
11-Apr-2007
PACKAGING INFORMATION
Orderable Device
TPS71501QDCKRQ1
TPS71525QDCKRQ1
TPS71530QDCKRQ1
TPS71533QDCKRQ1
TPS71550QDCKRQ1
Status (1)
ACTIVE
ACTIVE
ACTIVE
ACTIVE
ACTIVE
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
Drawing
SC70
DCK
5
5
5
5
5
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
no Sb/Br)
SC70
SC70
SC70
SC70
DCK
DCK
DCK
DCK
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
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)
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM
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), Pb-Free (RoHS Exempt), 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.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS
compatible) as defined above.
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.
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Addendum-Page 1
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相关型号：
TPS71501MDCKREP
Enhanced Product 50 mA, 24 V, 3.2 uA Supply Current, Low Dropout, Linear Regulator 5-SC70 -55 to 125
TI
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