TPS7B69-Q1 [TI]

汽车类 150mA、电池供电运行 (40V)、高 PSRR、低 IQ、低压降稳压器;
TPS7B69-Q1
型号: TPS7B69-Q1
厂家: TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
描述:

汽车类 150mA、电池供电运行 (40V)、高 PSRR、低 IQ、低压降稳压器

电池 稳压器
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TPS7B6925-Q1, TPS7B6933-Q1, TPS7B6950-Q1  
SLVSCJ8B NOVEMBER 2014REVISED JANUARY 2015  
TPS7B69xx-Q1 High-Voltage Ultra-Low IQ Low-Dropout Regulator  
1 Features  
2 Applications  
1
Qualified for Automotive Applications  
Automotive  
AEC-Q100 Qualified With the Following Results:  
Infotainment Systems With Sleep Mode  
Always-On Battery Applications  
Device Temperature Grade 1: –40°C to 125°C  
Ambient Operating Temperature Range  
Door Modules  
Device HBM ESD Classification Level 2  
Device CDM ESD Classification Level C4B  
Remote Keyless-Entry Systems  
Immobilizers  
4 to 40-V Wide VI Input Voltage Range With up to  
45-V Transient  
3 Description  
The TPS7B69xx-Q1 device is a low-dropout linear  
regulator designed for up to 40-V VI operations. With  
only 15-µA (typical) quiescent current at light load,  
the device is suitable for standby microcontrol-unit  
systems especially in automotive applications.  
Maximum Output Current: 150 mA  
Low Quiescent Current (IQ):  
15 µA Typical at Light Loads  
25 µA Maximum Under Full Temperature  
450-mV Typical Low Dropout Voltage at 100 mA  
Load Current  
The devices feature an integrated short-circuit and  
overcurrent protection. The TPS7B69xx-Q1 device  
operates over a –40°C to 125°C temperature range.  
Because of these features, the TPS7B6925-Q1,  
TPS7B6933-Q1, and TPS7B6950-Q1 devices are  
well suited in power supplies for various automotive  
applications.  
Stable With Low ESR Ceramic Output Capacitor  
(2.2 to 100 µF)  
Fixed 2.5-V, 3.3-V, and 5-V Output Voltage  
Options  
Integrated Fault Protection:  
Device Information(1)  
Thermal Shutdown  
PART NUMBER  
PACKAGE  
BODY SIZE (NOM)  
Short-Circuit Protection  
TPS7B6925-Q1  
TPS7B6933-Q1  
TPS7B6950-Q1  
SOT-223 (4)  
6.50 mm × 3.50 mm  
Packages:  
SOT-23 (5)  
2.90 mm × 1.60 mm  
4-Pin SOT-223 Package  
5-Pin SOT-23 Package  
(1) For all available packages, see the orderable addendum at  
the end of the datasheet.  
4 Typical Application Schematic  
TPS7B69xx-Q1  
IN  
OUT  
V
I
V
O
V
bat  
V
reg  
10 µF  
4.7 µF  
GND  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 
 
TPS7B6925-Q1, TPS7B6933-Q1, TPS7B6950-Q1  
SLVSCJ8B NOVEMBER 2014REVISED JANUARY 2015  
www.ti.com  
Table of Contents  
8.3 Feature Description................................................. 10  
8.4 Device Functional Modes........................................ 11  
Application and Implementation ........................ 12  
9.1 Application Information............................................ 12  
9.2 Typical Application .................................................. 12  
1
2
3
4
5
6
7
Features.................................................................. 1  
Applications ........................................................... 1  
Description ............................................................. 1  
Typical Application Schematic............................. 1  
Revision History..................................................... 2  
Pin Configuration and Functions......................... 3  
Specifications......................................................... 4  
7.1 Absolute Maximum Ratings ...................................... 4  
7.2 ESD Ratings.............................................................. 4  
7.3 Recommended Operating Conditions....................... 4  
7.4 Thermal Information.................................................. 4  
7.5 Electrical Characteristics........................................... 5  
7.6 Typical Characteristics.............................................. 6  
Detailed Description ............................................ 10  
8.1 Overview ................................................................. 10  
8.2 Functional Block Diagram ....................................... 10  
9
10 Power Supply Recommendations ..................... 14  
11 Layout................................................................... 14  
11.1 Layout Guidelines ................................................. 14  
11.2 Layout Example .................................................... 14  
12 Device and Documentation Support ................. 15  
12.1 Documentation Support ........................................ 15  
12.2 Related Links ........................................................ 15  
12.3 Trademarks........................................................... 15  
12.4 Electrostatic Discharge Caution............................ 15  
12.5 Glossary................................................................ 15  
8
13 Mechanical, Packaging, and Orderable  
Information ........................................................... 15  
5 Revision History  
Changes from Revision A (December 2014) to Revision B  
Page  
Changed the TPS7B6933-Q1 device status from Product Preview to Production Data ....................................................... 1  
Added the TPS7B6933-Q1 device test results to the Typical Characteristics section .......................................................... 6  
Changes from Original (November 2014) to Revision A  
Page  
Changed the device status from Product Preview to Production Data ................................................................................. 1  
2
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TPS7B6925-Q1, TPS7B6933-Q1, TPS7B6950-Q1  
www.ti.com  
SLVSCJ8B NOVEMBER 2014REVISED JANUARY 2015  
6 Pin Configuration and Functions  
DCY Package  
4-Pin SOT-223  
Top View  
DBV Package  
5-Pin SOT-23  
Top View  
GND  
4
IN  
NC  
OUT  
1
2
3
5
GND  
GND  
4
1
2
3
NC - No internal connection  
IN  
GND  
OUT  
Pin Functions  
PIN  
NO.  
SOT-23  
TYPE  
DESCRIPTION  
NAME  
SOT-223  
2
4
3
4
1
2
5
GND  
G
Ground reference  
IN  
1
P
P
Input power-supply voltage  
Not connected pin  
Output voltage  
NC  
OUT  
3
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TPS7B6925-Q1, TPS7B6933-Q1, TPS7B6950-Q1  
SLVSCJ8B NOVEMBER 2014REVISED JANUARY 2015  
www.ti.com  
7 Specifications  
7.1 Absolute Maximum Ratings  
over operating free-air temperature range (unless otherwise noted)(1)  
MIN  
–0.3  
–0.3  
–40  
–65  
MAX  
45  
UNIT  
V
Unregulated input voltage  
IN(2)(3)(4)  
OUT(2)(3)  
Regulated output voltage  
7
V
Operating junction temperature range, TJ  
Storage temperature, Tstg  
150  
150  
°C  
°C  
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings  
only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended  
Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.  
(2) All voltage values are with respect to the GND terminal.  
(3) Absolute negative voltage on these pins must not to go below –0.3 V.  
(4) Absolute maximum voltage, withstands 45 V for 200 ms.  
7.2 ESD Ratings  
VALUE  
±2000  
±500  
UNIT  
Human body model (HBM), per AEC Q100-002(1)  
Electrostatic  
discharge  
Other pins  
V(ESD)  
V
Charged device model (CDM), per  
Corner pins (4 pin: 1, 3, and 4;  
5 pin: 1, 3, 4, and 5)  
AEC Q100-011  
±750  
(1) AEC Q100-002 indicates HBM stressing is done in accordance with the ANSI/ESDA/JEDEC JS-001 specification.  
7.3 Recommended Operating Conditions  
over operating free-air temperature range (unless otherwise noted)  
MIN  
MAX  
40  
UNIT  
VI  
Unregulated input voltage  
Output voltage  
4
0
V
V
VO  
5.5  
100  
2
CO  
Output capacitor requirements(1)  
Output ESR requirements(2)  
Operating junction temperature range  
2.2  
µF  
Ω
ESRCO  
TJ  
0.001  
–40  
150  
°C  
(1) The output capacitance range specified in this table is the effective value.  
(2) Relevant ESR value at ƒ = 10 kHz.  
7.4 Thermal Information  
DCY  
4 PINS  
64.2  
DBV  
THERMAL METRIC(1)(2)  
UNIT  
5 PINS  
210.4  
126.1  
38.4  
RθJA  
RθJC(top)  
RθJB  
ψJT  
Junction-to-ambient thermal resistance  
Junction-to-case (top) thermal resistance  
Junction-to-board thermal resistance  
46.8  
13.3  
°C/W  
Junction-to-top characterization parameter  
Junction-to-board characterization parameter  
6.3  
16  
ψJB  
13.2  
37.5  
(1) The thermal data is based on the JEDEC standard high-K profile, JESD 51-7, 2s2p four layer board with 2-oz copper. The copper pad is  
soldered to the thermal land pattern. Also correct attachment procedure must be incorporated.  
(2) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.  
4
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Product Folder Links: TPS7B6925-Q1 TPS7B6933-Q1 TPS7B6950-Q1  
TPS7B6925-Q1, TPS7B6933-Q1, TPS7B6950-Q1  
www.ti.com  
SLVSCJ8B NOVEMBER 2014REVISED JANUARY 2015  
7.5 Electrical Characteristics  
VIN = 14 V, 1 mΩ < ESR < 2 Ω, TJ = –40°C to 150 °C (unless otherwise noted)  
PARAMETER  
TEST CONDITIONS  
MIN  
TYP  
MAX UNIT  
SUPPLY VOLTAGE AND CURRENT (IN)  
Fixed 2.5-V output, IO = 1 mA  
4
4
40  
VI  
Input voltage  
Fixed 3.3-V output, IO = 1 mA  
Fixed 5-V output, IO = 1 mA  
40  
40  
V
5.5  
Fixed 2.5-V and 3.3-V version, VI = 4 to 40 V,  
Fixed 5-V version, VI = 5.5 to 40 V, IO = 0.2 mA  
IQ  
Quiescent current  
15  
25  
µA  
V
Ramp VI up until the output turns on  
3.65  
VIN(UVLO)  
IN undervoltage detection  
Ramp VI down until the output turns OFF  
3
REGULATED OUTPUT (OUT)  
Fixed 2.5-V version, VI = 4 to 40 V, IO = 1 to 150 mA  
Fixed 3.3-V version, VI = 5 to 40 V, IO = 1 to 150 mA  
Fixed 5-V version, VI = 6.5 to 40 V, IO = 1 to 150 mA  
VI = 6 to 40 V, VO, IO = 10 mA  
–3%  
–3%  
–3%  
3%  
3%  
VO  
Regulated output  
3%  
ΔVO(ΔVI)  
ΔVO(ΔIL)  
Line regulation  
Load regulation  
10  
mV  
mV  
IO = 1 to 150 mA, VO  
20  
Fixed 2.5-V version, VI – VO, IO = 50 mA  
Fixed 2.5-V version, VI – VO, IO = 100 mA  
Fixed 3.3-V version, VI – VO, IO = 50 mA  
Fixed 3.3-V version, VI – VO, IO = 100 mA  
Fixed 5-V version, VI – VO, IO = 50 mA  
Fixed 5-V version, VI – VO, IO = 100 mA  
VO in regulation  
1.575  
1.575  
799  
800  
400  
800  
150  
500  
V
VDROP  
Dropout voltage  
mV  
220  
450  
IO  
Output current  
0
mA  
mA  
IOCL  
Output current-limit  
OUT short to ground  
150  
Power supply ripple  
rejection(1)  
PSRR  
Vrip = 0.5 Vpp, Load = 10 mA, ƒ = 100 Hz, CO = 2.2 µF  
60  
dB  
OPERATING TEMPERATURE RANGE  
Junction shutdown  
temperature  
Tsd  
175  
25  
°C  
°C  
Hysteresis of thermal  
shutdown  
Thys  
(1) Design Information—Not tested, ensured by characterization.  
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TPS7B6925-Q1, TPS7B6933-Q1, TPS7B6950-Q1  
SLVSCJ8B NOVEMBER 2014REVISED JANUARY 2015  
www.ti.com  
7.6 Typical Characteristics  
6
3.8  
3.7  
3.6  
3.5  
3.4  
3.3  
3.2  
3.1  
3
IO = 1 mA  
IO = 80 mA  
IO = 1 mA  
IO = 80 mA  
5.8  
5.6  
5.4  
5.2  
5
4.8  
4.6  
4.4  
4.2  
4
2.9  
2.8  
-55  
-25  
5
35  
65  
95  
125  
-55  
-25  
5
35  
65  
95  
125  
Junction Temperature (qC)  
Junction Temperature (qC)  
D001  
D011  
VI = 14 V  
Figure 1. 5-V Output Voltage vs Junction Temperature  
Figure 2. 3.3-V Output Voltage vs Junction Temperature  
3
6
IO = 1 mA  
IO = 80 mA  
2.9  
5
4
3
2
1
0
2.8  
2.7  
2.6  
2.5  
2.4  
2.3  
2.2  
2.1  
2
-55  
-25  
5
35  
65  
95  
125  
0
5
10  
15  
20  
25  
30  
35  
40  
Junction Temperature (qC)  
Supply Voltage (V)  
D008  
D002  
VI = 14 V  
IO = 0 mA  
Figure 3. 2.5-V Output Voltage vs Junction Temperature  
Figure 4. 5-V Output Voltage vs Supply Voltage  
4
3
3.5  
2.5  
2
3
2.5  
2
1.5  
1
1.5  
1
0.5  
0
0.5  
0
0
5
10  
15  
20  
25  
30  
35  
40  
0
5
10  
15  
20  
25  
30  
35  
40  
Supply Voltage (V)  
Supply Voltage (V)  
D012  
D009  
IO = 0 mA  
IO = 0 mA  
Figure 5. 3.3-V Output Voltage vs Supply Voltage  
Figure 6. 2.5-V Output Voltage vs Supply Voltage  
6
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www.ti.com  
SLVSCJ8B NOVEMBER 2014REVISED JANUARY 2015  
Typical Characteristics (continued)  
160  
140  
120  
100  
80  
30  
40qC  
25qC  
125qC  
25  
20  
15  
10  
5
60  
40  
40qC  
25qC  
125qC  
20  
0
0
0
30  
60  
90  
120  
150  
0
5
10  
15  
20  
25  
30  
35  
40  
Output Current (mA)  
Supply Voltage (V)  
D003  
D010  
IO = 0.2 mA  
Figure 7. Quiescent Current vs Output Current  
Figure 8. Quiescent Current vs Supply Voltage  
1100  
80  
70  
60  
50  
40  
30  
20  
10  
0
1000  
900  
800  
700  
600  
500  
400  
300  
200  
100  
0
40qC  
25qC  
125qC  
0
30  
60  
90  
120  
150  
1E+1  
1E+2  
1E+3  
1E+4  
1E+5  
1E+6  
1E+7 5E+7  
Output Current (mA)  
Frequency (Hz)  
D004  
D005  
IO = 100 mA  
CO = 2.2 µF  
VI = 14 V  
TA = 25°C  
Figure 9. Dropout Voltage vs Output Current  
Figure 10. Power Supply Rejection Ratio  
100  
80  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
60  
Stable Region  
40  
20  
2.2  
1E+1  
1E+2  
1E+3  
1E+4  
Frequency (Hz)  
1E+5  
1E+6  
1E+7 5E+7  
0.001  
0.5  
1
ESR of Output Capacitance (Ω)  
1.5  
2
D006  
D007  
IO = 10 mA  
CO = 2.2 µF  
VI = 14 V  
TA = 25°C  
Figure 11. Power Supply Rejection Ratio  
Figure 12. ESR Stability vs Output Capacitance  
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Typical Characteristics (continued)  
VO (AC)  
100 mV/div  
VO (AC)  
100 mV/div  
IO (DC)  
50 mA/div  
IO (DC)  
50 mA/div  
VI = 14 V  
VO = 5 V  
CO = 2.2 µF  
1 ms/div  
VI = 14 V  
CO = 2.2 µF  
1 ms/div  
VO = 3.3 V  
Figure 13. Load Transient (1 to 100 mA, 5 V)  
Figure 14. Load Transient (1 to 100 mA, 3.3 V)  
VO (AC)  
VO (AC)  
100 mV/div  
100 mV/div  
IO (DC)  
50 mA/div  
IO (DC)  
50 mA/div  
VI = 14 V  
VO = 5 V  
CO = 2.2 µF  
1 ms/div  
VI = 14 V  
CO = 2.2 µF  
1 ms/div  
VO = 2.5 V  
Figure 16. Load Transient (1 to 150 mA, 5 V)  
Figure 15. Load Transient (1 to 100 mA, 2.5 V)  
VO (AC)  
100 mV/div  
VO (AC)  
100 mV/div  
IO (DC)  
50 mA/div  
IO (DC)  
50 mA/div  
VI = 14 V  
CO = 2.2 µF  
1 ms/div  
VI = 14 V  
CO = 2.2 µF  
1 ms/div  
VO = 3.3 V  
VO = 2.5 V  
Figure 17. Load Transient (1 to 150 mA, 3.3 V)  
Figure 18. Load Transient (1 to 150 mA, 2.5 V)  
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SLVSCJ8B NOVEMBER 2014REVISED JANUARY 2015  
Typical Characteristics (continued)  
VO  
VO  
20 mV/div  
20 mV/div  
VI  
VI  
5 V/div  
5 V/div  
VI = 9 to 16 V  
IO = 10 mA  
CO = 2.2 µF  
1 ms/div  
VI = 9 to 16 V  
IO = 10 mA  
CO = 2.2 µF  
1 ms/div  
Figure 20. Line Transient (VO = 3.3 V)  
Figure 19. Line Transient (VO = 5 V)  
VO  
20 mV/div  
VI  
5 V/div  
VI  
5 V/div  
VO  
2 V/div  
VI = 9 to 16 V  
IO = 10 mA  
CO = 2.2 µF  
1 ms/div  
CO = 2.2 µF, 400 µs/div  
Figure 21. Line Transient (VO = 2.5 V)  
Figure 22. 5-V Power Up  
VI  
VI  
5 V/div  
5 V/div  
VO  
VO  
1 V/div  
1 V/div  
CO = 2.2 µF, 400 µs/div  
CO = 2.2 µF, 400 µs/div  
Figure 24. 2.5-V Power Up  
Figure 23. 3.3-V Power Up  
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SLVSCJ8B NOVEMBER 2014REVISED JANUARY 2015  
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8 Detailed Description  
8.1 Overview  
The TPS7B69xx-Q1 high-voltage linear regulator operates over a 4-V to 40-V input voltage range. The device  
has an output current capability of 150 mA and offers fixed output voltages of 2.5 V (TPS7B6925-Q1), 3.3 V  
(TPS7B6933-Q1) or 5 V (TPS7B6950-Q1). The device features a thermal shutdown and short-circuit protection  
to prevent damage during over-temperature and overcurrent conditions.  
8.2 Functional Block Diagram  
IN  
OUT  
Overcurrent  
detection  
UVLO  
Thermal  
shutdown  
Regulator  
control  
Band gap  
+
V
ref  
GND  
8.3 Feature Description  
8.3.1 Input (IN)  
The IN pin is a high-voltage-tolerant pin. A capacitor with a value higher than 0.1 µF is recommended to be  
connected close to this pin to better the transient performance.  
8.3.2 Output (OUT)  
The OUT pin is the regulated output based on the required voltage. The output has current limitation. During the  
initial power up, the regulator has a soft start incorporated to control the initial current through the pass element  
and the output capacitor.  
In the event that the regulator drops out of regulation, the output tracks the input minus a drop based on the load  
current. When the input voltage drops below the UVLO threshold, the regulator shuts down until the input voltage  
recovers above the minimum startup level.  
8.3.3 Output Capacitor Selection  
For stable operation over the full temperature range and with load currents up to 150 mA, use a capacitor with an  
effective value between 2.2 µF and 100 µF and ESR smaller than 2 Ω. To better the load transient performance,  
an output capacitor, such as a ceramic capacitor with low ESR, is recommended.  
8.3.4 Low-Voltage Tracking  
At low input voltages, the regulator drops out of regulation and the output voltage tracks input minus a voltage  
based on the load current (IL) and switch resistor. This tracking allows for a smaller input capacitor and can  
possibly eliminate the need for a boost converter during cold-crank conditions.  
10  
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SLVSCJ8B NOVEMBER 2014REVISED JANUARY 2015  
Feature Description (continued)  
8.3.5 Thermal Shutdown  
The TPS7B69xx-Q1 family of devices incorporates a thermal-shutdown (TSD) circuit as a protection from  
overheating. For continuous normal operation, the junction temperature should not exceed the TSD trip point. If  
the junction temperature exceeds the TSD trip point, the output turns off. When the junction temperature falls  
below the TSD trip point minus the hysteresis of TSD, the output turns on again. This cycling limits the  
dissipation of the regulator, protecting it from damage as a result of overheating.  
The purpose of the design of the internal protection circuitry of the TPS7B69xx-Q1 family of devices is for  
protection against overload conditions, not as a replacement for proper heat-sinking. Continuously running the  
TPS7B69xx-Q1 family of devices into thermal shutdown degrades device reliability.  
8.4 Device Functional Modes  
8.4.1 Operation With VI Less Than 4 V  
The TPS7B69xx-Q1 family of devices operates with input voltages above 4 V. The maximum UVLO voltage is 3  
V and the device operates at an input voltage above 4 V. The device can also operate at lower input voltages; no  
minimum UVLO voltage is specified. At input voltages below the actual UVLO, the device shuts down.  
8.4.2 Operation With VI Greater Than 4 V  
When VI is greater than 4 V, if the input voltage is higher than VO plus the dropout voltage, the output voltage is  
equal to the set value. Otherwise, the output voltage is equal to VI minus the dropout voltage.  
Copyright © 2014–2015, Texas Instruments Incorporated  
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11  
Product Folder Links: TPS7B6925-Q1 TPS7B6933-Q1 TPS7B6950-Q1  
TPS7B6925-Q1, TPS7B6933-Q1, TPS7B6950-Q1  
SLVSCJ8B NOVEMBER 2014REVISED JANUARY 2015  
www.ti.com  
9 Application and Implementation  
NOTE  
Information in the following applications sections is not part of the TI component  
specification, and TI does not warrant its accuracy or completeness. TI’s customers are  
responsible for determining suitability of components for their purposes. Customers should  
validate and test their design implementation to confirm system functionality.  
9.1 Application Information  
The TPS7B69xx-Q1 family of devices is a 150-mA low-dropout linear regulator designed for up to 40-V VI  
operation with only 15-µA quiescent current at light loads. Use the PSpice transient model to evaluate the base  
function of the device. To download the PSpice transient model, go to the device product folder on www.TI.com.  
In addition to this model, specific evaluation modules (EVM) are available for these devices. For the EVM and  
the EVM user guide, go to the device product folder.  
9.2 Typical Application  
Figure 25 shows the typical application circuit for the TPS7B69xx-Q1 family of devices. Based on the end-  
application, different values of external components can be used. An application can require a larger output  
capacitor during fast load steps to achieve better load transient response. TI recommends a low-ESR ceramic  
capacitor with a dielectric of type X5R or X7R for better load transient response.  
TPS7B69xx-Q1  
IN  
OUT  
V
I
V
O
V
bat  
V
reg  
10 µF  
4.7 µF  
GND  
Figure 25. Typical Application Schematic for TPS7B69xx-Q1  
9.2.1 Design Requirements  
For this design example, use the parameters listed in Table 1.  
Table 1. Design Parameters  
DESIGN PARAMETER  
Input voltage range  
EXAMPLE VALUES  
4 to 40 V  
Output voltage  
2.5 V, 3.3 V, 5 V  
150 mA  
Output current rating  
Output capacitor range  
Output capacitor ESR range  
2.2 to 100 µF  
1 mΩ to 2 Ω  
9.2.2 Detailed Design Procedure  
To begin the design process, determine the following:  
Input voltage range  
Output Voltage  
Output current rating  
12  
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Copyright © 2014–2015, Texas Instruments Incorporated  
Product Folder Links: TPS7B6925-Q1 TPS7B6933-Q1 TPS7B6950-Q1  
 
 
TPS7B6925-Q1, TPS7B6933-Q1, TPS7B6950-Q1  
www.ti.com  
SLVSCJ8B NOVEMBER 2014REVISED JANUARY 2015  
9.2.2.1 Input Capacitor  
The device requires an input decoupling capacitor, the value of which depends on the application. The typical  
recommend value for the decoupling capacitor is higher than 0.1 µF. The voltage rating must be greater than the  
maximum input voltage.  
9.2.2.2 Output Capacitor  
The device requires an output capacitor to stabilize the output voltage. The output capacitor value should be  
between 2.2 µF and 100 µF. The ESR value range should be between 1 mΩ and 2 Ω. TI recommends a ceramic  
capacitor with low ESR to improve the load transient response.  
9.2.2.3 Power Dissipation and Thermal Considerations  
Use Equation 1 to calculate the power dissipated in the device.  
PD = IO × (VI – VO) + IQ × VI  
where  
PD = continuous power dissipation  
IO = output current  
VI = input voltage  
VO = output voltage  
(1)  
Because IQ « IO, the term IQ × VI in Equation 1 can be ignored.  
For a device under operation at a given ambient air temperature (TA), use Equation 2 to calculate the junction  
temperature (TJ).  
TJ = TA + (ZθJA × PD)  
where  
Z
θJA = junction-to-ambient air thermal impedance  
(2)  
(3)  
Use Equation 3 to calculate the rise in junction temperature because of power dissipation.  
ΔT = TJ – TA = (ZθJA × PD)  
For a given maximum junction temperature (TJmax), use Equation 4 to calculate the maximum ambient air  
temperature (TAmax) at which the device can operate.  
TAmax = TJmax – (ZθJA × PD)  
(4)  
9.2.3 Application Curve  
VI  
5 V/div  
VO  
2 V/div  
CO = 2.2 µF, 400 µs/div  
Figure 26. Power Up (5 V)  
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Product Folder Links: TPS7B6925-Q1 TPS7B6933-Q1 TPS7B6950-Q1  
 
 
 
 
TPS7B6925-Q1, TPS7B6933-Q1, TPS7B6950-Q1  
SLVSCJ8B NOVEMBER 2014REVISED JANUARY 2015  
www.ti.com  
10 Power Supply Recommendations  
The device is designed to operate from an input-voltage supply range between 4 V and 40 V. This input supply  
must be well regulated. If the input supply is located more than a few inches from the TPS7B69xx-Q1 device, TI  
recommends adding an electrolytic capacitor with a value of 10 µF and a ceramic bypass capacitor at the input.  
11 Layout  
11.1 Layout Guidelines  
For the layout of TPS7B69xx-Q1 family of devices, place the input and output capacitors close to the devices as  
shown in Figure 27 and Figure 28. To enhance the thermal performance, TI recommends surrounding the device  
with some vias.  
Minimize equivalent series inductance (ESL) and ESR to maximize performance and ensure stability. Place  
every capacitor as close as possible to the device and on the same side of the PCB as the regulator.  
Do not place any of the capacitors on the opposite side of the PCB from where the regulator is installed. TI  
strongly discourages the use of long traces because they can impact system performance negatively and even  
cause instability.  
If possible, and to ensure the maximum performance specified in this product data sheet, use the same layout  
pattern used for the TPS7B69xx-Q1 evaluation board.  
11.2 Layout Example  
GND  
4
1
2
3
IN  
GND  
OUT  
Figure 27. Layout Example for SOT-223 Package  
14  
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Copyright © 2014–2015, Texas Instruments Incorporated  
Product Folder Links: TPS7B6925-Q1 TPS7B6933-Q1 TPS7B6950-Q1  
 
TPS7B6925-Q1, TPS7B6933-Q1, TPS7B6950-Q1  
www.ti.com  
SLVSCJ8B NOVEMBER 2014REVISED JANUARY 2015  
Layout Example (continued)  
1
5
OUT  
IN  
2
3
NC  
4
GND  
GND  
Figure 28. Layout Example for SOT-23 Package  
12 Device and Documentation Support  
12.1 Documentation Support  
12.1.1 Related Documentation  
For related documentation see the following:  
TPS7B6950EVM User's Guide, SLVUAC0.  
12.2 Related Links  
The table below lists quick access links. Categories include technical documents, support and community  
resources, tools and software, and quick access to sample or buy.  
Table 2. Related Links  
TECHNICAL  
DOCUMENTS  
TOOLS &  
SOFTWARE  
SUPPORT &  
COMMUNITY  
PARTS  
PRODUCT FOLDER  
SAMPLE & BUY  
TPS7B6925-Q1  
TPS7B6933-Q1  
TPS7B6950-Q1  
Click here  
Click here  
Click here  
Click here  
Click here  
Click here  
Click here  
Click here  
Click here  
Click here  
Click here  
Click here  
Click here  
Click here  
Click here  
12.3 Trademarks  
All trademarks are the property of their respective owners.  
12.4 Electrostatic Discharge Caution  
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.  
12.5 Glossary  
SLYZ022 TI Glossary.  
This glossary lists and explains terms, acronyms, and definitions.  
13 Mechanical, Packaging, and Orderable Information  
The following pages include mechanical, packaging, and orderable information. This information is the most  
current data available for the designated devices. This data is subject to change without notice and revision of  
this document. For browser-based versions of this data sheet, refer to the left-hand navigation.  
Copyright © 2014–2015, Texas Instruments Incorporated  
Submit Documentation Feedback  
15  
Product Folder Links: TPS7B6925-Q1 TPS7B6933-Q1 TPS7B6950-Q1  
PACKAGE OPTION ADDENDUM  
www.ti.com  
10-Dec-2020  
PACKAGING INFORMATION  
Orderable Device  
Status Package Type Package Pins Package  
Eco Plan  
Lead finish/  
Ball material  
MSL Peak Temp  
Op Temp (°C)  
Device Marking  
Samples  
Drawing  
Qty  
(1)  
(2)  
(3)  
(4/5)  
(6)  
TPS7B6925QDBVRQ1  
TPS7B6925QDCYRQ1  
TPS7B6933QDBVRQ1  
TPS7B6933QDCYRQ1  
TPS7B6950QDBVRQ1  
TPS7B6950QDCYRQ1  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
SOT-23  
SOT-223  
SOT-23  
SOT-223  
SOT-23  
SOT-223  
DBV  
DCY  
DBV  
DCY  
DBV  
DCY  
5
4
5
4
5
4
3000 RoHS & Green  
2500 RoHS & Green  
3000 RoHS & Green  
2500 RoHS & Green  
3000 RoHS & Green  
2500 RoHS & Green  
SN  
Level-2-260C-1 YEAR  
Level-3-260C-168 HR  
Level-2-260C-1 YEAR  
Level-3-260C-168 HR  
Level-2-260C-1 YEAR  
Level-3-260C-168 HR  
-40 to 125  
-40 to 125  
-40 to 125  
-40 to 125  
-40 to 125  
-40 to 125  
ZBE2  
SN  
SN  
SN  
SN  
SN  
7B6925  
ZBF2  
7B6933  
ZAZ2  
7B6950  
(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) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance  
do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may  
reference these types of products as "Pb-Free".  
RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption.  
Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of <=1000ppm threshold. Antimony trioxide based  
flame retardants must also meet the <=1000ppm threshold requirement.  
(3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.  
(4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.  
(5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation  
of the previous line and the two combined represent the entire Device Marking for that device.  
(6)  
Lead finish/Ball material - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead finish/Ball material values may wrap to two  
lines if the finish value exceeds the maximum column width.  
Addendum-Page 1  
PACKAGE OPTION ADDENDUM  
www.ti.com  
10-Dec-2020  
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.  
OTHER QUALIFIED VERSIONS OF TPS7B69-Q1 :  
Catalog: TPS7B69  
NOTE: Qualified Version Definitions:  
Catalog - TI's standard catalog product  
Addendum-Page 2  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
24-Apr-2020  
TAPE AND REEL INFORMATION  
*All dimensions are nominal  
Device  
Package Package Pins  
Type Drawing  
SPQ  
Reel  
Reel  
A0  
B0  
K0  
P1  
W
Pin1  
Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant  
(mm) W1 (mm)  
TPS7B6925QDBVRQ1 SOT-23  
TPS7B6925QDCYRQ1 SOT-223  
TPS7B6933QDBVRQ1 SOT-23  
TPS7B6933QDCYRQ1 SOT-223  
TPS7B6950QDBVRQ1 SOT-23  
TPS7B6950QDCYRQ1 SOT-223  
DBV  
DCY  
DBV  
DCY  
DBV  
DCY  
5
4
5
4
5
4
3000  
2500  
3000  
2500  
3000  
2500  
178.0  
330.0  
178.0  
330.0  
178.0  
330.0  
9.0  
12.4  
9.0  
3.3  
7.05  
3.3  
3.2  
7.4  
3.2  
7.4  
3.2  
7.4  
1.4  
1.9  
1.4  
1.9  
1.4  
1.9  
4.0  
8.0  
4.0  
8.0  
4.0  
8.0  
8.0  
12.0  
8.0  
Q3  
Q3  
Q3  
Q3  
Q3  
Q3  
12.4  
9.0  
7.05  
3.3  
12.0  
8.0  
12.4  
7.05  
12.0  
Pack Materials-Page 1  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
24-Apr-2020  
*All dimensions are nominal  
Device  
Package Type Package Drawing Pins  
SPQ  
Length (mm) Width (mm) Height (mm)  
TPS7B6925QDBVRQ1  
TPS7B6925QDCYRQ1  
TPS7B6933QDBVRQ1  
TPS7B6933QDCYRQ1  
TPS7B6950QDBVRQ1  
TPS7B6950QDCYRQ1  
SOT-23  
SOT-223  
SOT-23  
SOT-223  
SOT-23  
SOT-223  
DBV  
DCY  
DBV  
DCY  
DBV  
DCY  
5
4
5
4
5
4
3000  
2500  
3000  
2500  
3000  
2500  
190.0  
340.0  
190.0  
340.0  
180.0  
340.0  
190.0  
340.0  
190.0  
340.0  
180.0  
340.0  
30.0  
38.0  
30.0  
38.0  
18.0  
38.0  
Pack Materials-Page 2  
MECHANICAL DATA  
MPDS094A – APRIL 2001 – REVISED JUNE 2002  
DCY (R-PDSO-G4)  
PLASTIC SMALL-OUTLINE  
6,70 (0.264)  
6,30 (0.248)  
3,10 (0.122)  
2,90 (0.114)  
4
0,10 (0.004)  
M
3,70 (0.146)  
3,30 (0.130)  
7,30 (0.287)  
6,70 (0.264)  
Gauge Plane  
1
2
3
0,25 (0.010)  
0,84 (0.033)  
0,66 (0.026)  
0°–10°  
2,30 (0.091)  
0,10 (0.004)  
M
4,60 (0.181)  
0,75 (0.030) MIN  
1,70 (0.067)  
1,50 (0.059)  
1,80 (0.071) MAX  
0,35 (0.014)  
0,23 (0.009)  
Seating Plane  
0,08 (0.003)  
0,10 (0.0040)  
0,02 (0.0008)  
4202506/B 06/2002  
NOTES: A. All linear dimensions are in millimeters (inches).  
B. This drawing is subject to change without notice.  
C. Body dimensions do not include mold flash or protrusion.  
D. Falls within JEDEC TO-261 Variation AA.  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
PACKAGE OUTLINE  
DBV0005A  
SOT-23 - 1.45 mm max height  
S
C
A
L
E
4
.
0
0
0
SMALL OUTLINE TRANSISTOR  
C
3.0  
2.6  
0.1 C  
1.75  
1.45  
1.45  
0.90  
B
A
PIN 1  
INDEX AREA  
1
2
5
(0.1)  
2X 0.95  
1.9  
3.05  
2.75  
1.9  
(0.15)  
4
3
0.5  
5X  
0.3  
0.15  
0.00  
(1.1)  
TYP  
0.2  
C A B  
NOTE 5  
0.25  
GAGE PLANE  
0.22  
0.08  
TYP  
8
0
TYP  
0.6  
0.3  
TYP  
SEATING PLANE  
4214839/G 03/2023  
NOTES:  
1. All linear dimensions are in millimeters. Any dimensions in parenthesis are for reference only. Dimensioning and tolerancing  
per ASME Y14.5M.  
2. This drawing is subject to change without notice.  
3. Refernce JEDEC MO-178.  
4. Body dimensions do not include mold flash, protrusions, or gate burrs. Mold flash, protrusions, or gate burrs shall not  
exceed 0.25 mm per side.  
5. Support pin may differ or may not be present.  
www.ti.com  
EXAMPLE BOARD LAYOUT  
DBV0005A  
SOT-23 - 1.45 mm max height  
SMALL OUTLINE TRANSISTOR  
PKG  
5X (1.1)  
1
5
5X (0.6)  
SYMM  
(1.9)  
2
3
2X (0.95)  
4
(R0.05) TYP  
(2.6)  
LAND PATTERN EXAMPLE  
EXPOSED METAL SHOWN  
SCALE:15X  
SOLDER MASK  
OPENING  
SOLDER MASK  
OPENING  
METAL UNDER  
SOLDER MASK  
METAL  
EXPOSED METAL  
EXPOSED METAL  
0.07 MIN  
ARROUND  
0.07 MAX  
ARROUND  
NON SOLDER MASK  
DEFINED  
SOLDER MASK  
DEFINED  
(PREFERRED)  
SOLDER MASK DETAILS  
4214839/G 03/2023  
NOTES: (continued)  
6. Publication IPC-7351 may have alternate designs.  
7. Solder mask tolerances between and around signal pads can vary based on board fabrication site.  
www.ti.com  
EXAMPLE STENCIL DESIGN  
DBV0005A  
SOT-23 - 1.45 mm max height  
SMALL OUTLINE TRANSISTOR  
PKG  
5X (1.1)  
1
5
5X (0.6)  
SYMM  
(1.9)  
2
3
2X(0.95)  
4
(R0.05) TYP  
(2.6)  
SOLDER PASTE EXAMPLE  
BASED ON 0.125 mm THICK STENCIL  
SCALE:15X  
4214839/G 03/2023  
NOTES: (continued)  
8. Laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. IPC-7525 may have alternate  
design recommendations.  
9. Board assembly site may have different recommendations for stencil design.  
www.ti.com  
IMPORTANT NOTICE AND DISCLAIMER  
TI PROVIDES TECHNICAL AND RELIABILITY DATA (INCLUDING DATA SHEETS), DESIGN RESOURCES (INCLUDING REFERENCE  
DESIGNS), APPLICATION OR OTHER DESIGN ADVICE, WEB TOOLS, SAFETY INFORMATION, AND OTHER RESOURCES “AS IS”  
AND WITH ALL FAULTS, AND DISCLAIMS ALL WARRANTIES, EXPRESS AND IMPLIED, INCLUDING WITHOUT LIMITATION ANY  
IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF THIRD  
PARTY INTELLECTUAL PROPERTY RIGHTS.  
These resources are intended for skilled developers designing with TI products. You are solely responsible for (1) selecting the appropriate  
TI products for your application, (2) designing, validating and testing your application, and (3) ensuring your application meets applicable  
standards, and any other safety, security, regulatory or other requirements.  
These resources are subject to change without notice. TI grants you permission to use these resources only for development of an  
application that uses the TI products described in the resource. Other reproduction and display of these resources is prohibited. No license  
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TI’s products are provided subject to TI’s Terms of Sale or other applicable terms available either on ti.com or provided in conjunction with  
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Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265  
Copyright © 2023, Texas Instruments Incorporated  

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