G2257Q51U闽台致新原厂原装

General Description
The G2257 provide a complete power supply solution
for handsets or data card. It contains four dc/dc
converters, and one LDO to power each critical blocks
of the system, and is optimized for maximum battery
life, featuring a low ground current when in standby
mode operation. All channels DC/DC converters
operate at 1.5MHz to optimize size, cost, and
efficiency. All Synchronous converters are enabled by
individual EN pin control and operate at pulse skipping
mode at light load.

The G2257 is available in QFN4X4-24 package.

Features
2.7V ~ 5.5V Input Voltage Operation.
95% Efficient DC/DC Converter
Independent Enable Control
Built-in 4-ch synchronous buck converter, and 1-ch LDO
Bucks can be set to lower quiescent current at low load.
180o Phase Shifted architecture
Fixed 1.5MHz switching frequency
Built-In Short Circuit Protection (SCP), Under
Voltage Protection (UVP), and cycle-by cycle
current limit for DC/DC Converters.
Built-In Thermal Shutdown Function.
Built-In VCC OVP Function.
QFN4X4-24 Package.