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TPS51124
SLVS616C – NOVEMBER 2005 – REVISED DECEMBER 2014
TPS51124 Dual Synchronous Step-Down Controller for Low-
Voltage Power Rails
1 Features
•1 High Efficiency, Low-Power Consumption, Shutdowns to 1 μA
• Fixed Frequency Emulated On-Time Control, Frequency Selectable From Three Options
• D-CAP™ Mode Enables Fast Transient Response • Auto-Skip Mode • Less Than 1% Initial Reference Accuracy • Low Output Ripple • Wide Input
Voltage Range: 3 V to 28 V • Output
Voltage Range: 0.
76 V to 5.
5 V • Low-Side RDS(ON) Loss-less Current Sensing • Adaptive Gate Drivers With Integrated Boost
Diode • Internal 1.
2-ms...