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User's Guide
SLVUA30–January 2014
TPS22968EVM-007 Dual 4A Load Switch
The TPS22968EVM-007 evaluation module contains a dual channel, ultra low ON resistance, 4-A load
switch with controlled turn and adjustable rise time.
Contents
1 Description ................................................................................................................... 2
1.1 Typical Applications ................................................................................................ 2
1.2 Features ............................................................................................................. 2
2 Electrical Performance Specifications .................................................................................... 3
3 Schematic .................................................................................................................... 3
4 Layout ........................................................................................................................ 4
5 Setup ......................................................................................................................... 6
5.1 J1 VIN1/J2 VIN2 – Input Connections .......................................................................... 6
5.2 J3 VOUT1/J4 VOUT2 – Output Connections .................................................................. 6
5.3 JP1 – VBIAS ........................................................................................................ 6
5.4 JP2/JP3 - Input Capacitors ....................................................................................... 7
5.5 JP4/JP5 - Output Capacitors ..................................................................................... 7
5.6 JP6/JP7/JP8/JP9 – Output Resistors ........................................................................... 7
5.7 JP10/JP11/JP12/JP13 – Output Parallel Connections ........................................................ 7
5.8 TP1/TP2 – VIN1-VIN2 ............................................................................................. 7
5.9 TP3/TP4 - VIN Sense, TP7/TP8 - VOUT Sense ............................................................... 7
5.10 TP5/TP6 – VOUT1-VOUT2 ....................................................................................... 7
5.11 TP10 – VBIAS ...................................................................................................... 7
5.12 TP9/TP11 – ON1-ON2 ............................................................................................ 7
5.13 TP12 – VOUT1 // VOUT2 ......................................................................................... 7
5.14 TP13 – TP16 GND ................................................................................................. 7
5.15 List of Test Points .................................................................................................. 8
5.16 Test Procedure ..................................................................................................... 8
5.17 R
ON
Test Procedure ................................................................................................ 9
5.18 t
R
, t
ON
, t
F
, t
OFF
Test Procedure ..................................................................................... 9
6 Test Setup .................................................................................................................. 10
7 Performance Data and Typical Characteristic Curves ................................................................ 12
7.1 t
R
and t
ON
Scope Capture ........................................................................................ 12
7.2 t
F
and t
OFF
Scope Capture ........................................................................................ 13
7.3 Parallel Switch Operation ........................................................................................ 13
8 Bill of Materials ............................................................................................................. 14
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SLVUA30–January 2014 TPS22968EVM-007 Dual 4A Load Switch
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