TPS40040, TPS40041
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SLUS700D – MARCH 2006 – REVISED DECEMBER 2007
LOW PIN COUNT, LOW VIN (2.
5 V TO 5.
5 V) SYNCHRONOUS BUCK DC-TO-DC CONTROLLER WITH ENABLE
FEATURES
1
•23 2.
25-V to 5.
5-V Input • Output
Voltage from 0.
6 V to 90% of VIN • High-Side Drive for N-Channel FET • Supports Pre-Biased Outputs • Adaptive Anti-Cross Conduction Gate Drive • 1%, 0.
6-V Reference • Two Fixed Switching Frequency Versions,
TPS40040 (300 kHz) and TPS40041 (600 kHz) • Three Selectable Short Circuit Protection
Levels of 105 mV, 180 mV and 310 mV • Hiccup Restart from Faults •
Voltage Mode Control • Active Low Enable • Thermal Shutdown Protection at 145C • 8-Pin, 3-mm x 3-mm SON with Ground
Connectio...