3V to 17V input, 3A, 1.2MHz synchronous step-down converter with FCCM mode

The TPS56x24x is a simple, easy-to-use, high efficiency, high power density,

synchronous buck converter with input voltage ranging from 3V to 17V and supports up

to 2A (TPS562242B), 3A (TPS563242, TPS563247) continuous current at output voltages

between 0.6V and 10V.

The TPS56x24x employs D-CAP3 control mode to provide a fast transient

response and to support low-ESR output capacitors with no requirement for external

compensation. The device can support up to 95% duty cycle operation.

The

TPS562242B and TPS563242 operate in Eco-mode, which maintains high efficiency

during light loading. The TPS563247 operates in FCCM mode, which keeps the same

frequency and lower output ripple during all load conditions. The devices integrate complete

protection through OVP, OCP, UVLO, OTP, and UVP with hiccup.

The device is available in 1.6mm ×

1.6mm SOT-563 package. The junction temperature is specified from –40°C to

125°C.