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SLUS909B – MAY 2009 – REVISED AUGUST 2014 TPS53126 Dual Synchronous Step-down Controller For Low Voltage Power Rails
1 Features 3 Description The TPS53126 is a dual, adaptive on-time, DCAP2в„ў mode synchronous Buck controller. The
TPS53126 enables system designers to complete the
suite of various end equipment's power bus
regulators with a cost effective, low external
component count, and low standby current solution.
The main control loop for the TPS53126 uses the DCAP2в„ў mode control which provides a very fast
transient response with no external components. The
TPS53126 also has a proprietary circuit that enables
the device to adapt to both low equivalent series
resistance (ESR) output capacitors, such as
POSCAP or SP-CAP, and ultra-low ESR ceramic
capacitors. The device provides convenient and
efficient operation with input voltages from 4.5 V to 24
V and output voltages from 0.76 V to 5.5 V. 1 D-CAP2в„ў Mode Control
– Fast Transient Response
– No External Parts Required For Loop …
