SGM3838中文資料圣邦股份數(shù)據(jù)手冊PDF規(guī)格書

GENERAL DESCRIPTION

The SGM3838 is designed for powering AMOLED

displays which require VELVDD, VELVSS and VAVDD. The

device integrates two Boost converters, VO1 for VELVDD

and VO3 for VAVDD, and a dual-phase inverting

Buck-Boost converter VO2 for VELVSS. Output voltages

of all the three converters can be programmed in digital

steps through the digital interface control pin (SWIRE).

The SGM3838 is available in a Green WLCSP-2.5×2.5-

36B package.

FEATURES

● 2.5V to 4.8V Input Supply Voltage Range

● Synchronous Boost Converter (ELVDD)

? 4.6V to 5.0V Output Voltage with 100mV Steps

? 4.6V Default Output Voltage

? 0.7% Accuracy at 4.6V

? 700mA Output Current Capability

? Output Voltage Sensing Pin for Path Loss

Compensation (FBS)

● Synchronous Inverting Buck-Boost Converter

(ELVSS)

? -6.0V to -0.8V Output Voltage with 100mV Steps

? -3.0V Default Output Voltage

? 1% Accuracy at -3V

? 700mA Output Current Capability

● Synchronous Boost Converter (AVDD)

? 5.5V to 7.9V Output Voltage with 100mV Steps

? 7.3V Default Output Voltage

? 0.9% Accuracy at 7.3V

? 150mA Output Current Capability

● VIN and VOUT Bi-Directional Isolation

● Short Circuit Protection (SCP)

● Overload Protection

● Thermal Shutdown

● VELVSS Start-Up Delay: 5.6ms

● Short Circuit and OLP Detection Time: 0.71ms

● Available in a Green WLCSP-2.5×2.5-36B Package

APPLICATIONS

Smartphones & Tablets

Active Matrix OLED Displays