Texas Instruments TPS22921, Руководство пользователя, Страница: 5 / 17

1.1 Introduction
Chapter 1
SLVU286 – January 2009
TPS22921/22/22B Load Switch Evaluation Module (EVM)
This user's guide describes the TPS22921/22/22B evaluation module (EVM). This guide contains the EVM
schematics, bill of materials, assembly drawings, and top and bottom board layouts.
The TPS22921/22/22B EVM is an evaluation module for the Texas Instruments family of low-input voltage,
ultra-low r
ON
load switches. This EVM operates over a 0.9 V to 3.6 V range and provides a continuous
output current of up to
≈
110 mA. Additional open resistor and capacitor footprints allow for the use of
customer-selected input and output load values.
The TPS22921/22/22B EVM accepts a YFP-6 packaged load switch for any of three (3) possible devices:
TPS22921, TPS22922, or TPS22922B. These switches have a low threshold enable input, internally
controlled slew rate, and ultra-low quiescent/shutdown current. The TPS22922 and TPS22922B also
incorporate a 120-
Ω
quick output discharge resistor internally.
Table 2-1 summarizes the available EVM options.
SLVU286 – January 2009 TPS22921/22/22B Load Switch Evaluation Module (EVM) 5
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