台湾致新 G2237K11U TQFN4x4-32 代理商主推

　　General Description

　　The G2237 provide a complete power supply solution

　　for handsets or data card. It contains 5 dc/dc

　　converters and 1 LDO to power each critical blocks of

　　mobile phone, and is optimized for maximum battery

　　life, featuring a low ground current when in standby

　　mode operation. All channels DC/DC converters

　　operate at one fixed frequency of 3.0MHz to optimize

　　size, cost, and efficiency. All Synchronous converters

　　operate at pulse skipping mode at light load. The

　　G2237 features a I2C compatible interface.

　　The G2237 is available in TQFN4X4-32 package.

　　Features

　　3.0V ~ 5.5V Input Voltage Operation

　　95% Efficient DC/DC Converter

　　Built-in 5-ch synchronous buck converter, 1-ch

　　LDO

　　Bucks and LDO can be set to lower IQ at low

　　load

　　Buck2 and Buck3 Support DVS Function,

　　12.5mV/step

　　Built-In Power ON/OFF Sequence for PMU

　　Built-In Short Circuit Protection (SCP), Under

　　Voltage Protection (UVP), and cycle-by cycle

　　current limit for DC/DC Converters

　　LDO is Programmable to Voltage Options by I2C

　　Built-In Thermal Shutdown Function

　　Built-In VCC OVP Function

　　TQFN4X4-32 Package

　　Applications

　　Mobile Handsets

　　TV Dongle

　　Smart Phone

　　Set Top Box