TPS40101
www.ti.com SLUS726 – SEPTEMBER 2006 MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER
WITH ADVANCED SEQUENCING AND OUTPUT MARGINING
FEATURES CONTENTS Operation over 4.5 V to 18 V Input Range
100 kHz to 1 MHz Voltage Mode Control
Output Voltage Range From 0.69 V to 5.5 V
Simultaneous, Ratiometric and Sequential
Startup Sequencing
Remote Sensing (Via Separate GND/PGND)
24-Pin QFN Package
Thermal Shutdown
Programmable Overcurrent Protection
Power Good Indicator
1%, 690-mV Reference
Output Margining, 3% and 5%
Programmable UVLO and Hysteresis
Frequency Synchronization 2 Electrical Characteristics 3 Terminal Information 5 Typical Characteristics 8 Application Information 15 Design Example 29 Additional References 30 DESCRIPTION
The TPS40101 is a wide-input synchronous,
step-down controller that offers programmable closed
loop soft-start, programmable UVLO and hysteresis,
programmable current limit with hiccup recovery and
can be synchronized to other timebases. The
TPS40101 incorporates MOSFET gate drivers for …
