Dual synchronous step-down controller satisfies various computer needs
22-09-2015 |
Mouser Electronics
|
Power
Mouser now stocks the Texas Instruments (TI) TPS51275B-1, a cost-effective
dual synchronous step-down controller for notebook, tablet and desktop
computer system-power supplies.
The device has 5V and 3.3V low-dropout regulators (LDOs) and requires few
external components. The 260kHz VCLK output can be used to drive an external
charge pump. This generates a gate drive voltage for the load switches
without reducing the main converter efficiency. The TPS51275B-1 device
supports high efficiency, fast transient response and provides a combined
power-good signal. Adaptive on-time, D-CAP control provides convenient and
efficient operation, says the company.
By Electropages
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