G2257
G2257 is 4+1 channels PMIC manufactured by Global Mixed-mode Technology.
- Part of the G2257-GlobalMixed comparator family.
- Part of the G2257-GlobalMixed comparator family.
Global Mixed-mode Technology
4+1 channels PMIC
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.
General Description
The G2257 provide a plete power supply solution for handsets or data card. It contains four dc/dc...