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TPS22961EVM-067 产品设计参考手册 - TI（德州仪器）
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TPS22961EVM-067数据手册
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User's Guide
SLVUA42A–February 2014–Revised March 2014
Using the TPS22961EVM-067 Single Channel Load Switch
IC
The TPS22961EVM-067 evaluation module (EVM) allows the user to connect power to and control the
8pin SON package load switch. Parameters such as the On State resistance, Output Slew Rate and
Output Discharge properties can be easily evaluated. Table 1 lists a short description of the load switch
performance specifications; refer to the datasheet SLVSCI4 for more details.
Table 1. TPS22961 Slew Rate, Output Current Rating, Enable, and Output Discharge Options
Quick Output
EVM Device Slew Rate Typical VIN (V) Max. Continuous Current Enable (ON Pin)
Discharge
HVL067 TPS22961 5μs with VBIAS = 5V 1.05 6A Active High Yes
Contents
1 Introduction .................................................................................................................. 2
1.1 Description .......................................................................................................... 2
1.2 Features ............................................................................................................. 2
2 Electrical Performance ..................................................................................................... 2
3 Schematic .................................................................................................................... 2
4 Layouts ....................................................................................................................... 3
4.1 Setup ................................................................................................................ 5
5 Operation ..................................................................................................................... 6
6 Test Configuraions .......................................................................................................... 7
6.1 On-Resistance (R
ON
) Test Setup ................................................................................. 7
6.2 Slew Rate Test Setup ............................................................................................. 7
6.3 VOUT Slew Rate Examples ...................................................................................... 9
7 Bill of Materials (BOM) .................................................................................................... 11
List of Figures
1 TPS22961EVM-067 Schematic .......................................................................................... 2
2 TPS22961EVM-067 Top Assembly....................................................................................... 3
3 TPS22961EVM-067 Top Layout ......................................................................................... 4
4 TPS22961EVM-067 Bottom Layout ...................................................................................... 5
5 R
ON
Setup .................................................................................................................... 7
6 Slew Rate Setup ............................................................................................................ 8
7 TPS22961 V
out
t
R
Example (V
BIAS
= 5V, V
IN
= 1.05V, R
L
= Open)...................................................... 9
8 TPS22961 V
out
t
R
Example (V
BIAS
= 5V, V
IN
= 1.05V, R
L
= Open).................................................... 10
List of Tables
1 TPS22961 Slew Rate, Output Current Rating, Enable, and Output Discharge Options .......................... 1
2 Bill of Materials............................................................................................................. 11
1
SLVUA42A–February 2014–Revised March 2014 Using the TPS22961EVM-067 Single Channel Load Switch IC
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