Datasheet > SGM38042A

SGM38042A

更新时间： 2024-11-19 11:08:23

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
15页	768K
描述
Single Inductor Triple Output AMOLED Display Power Supply

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SGM38042A 数据手册

SGM38042A

Single Inductor Triple Output

AMOLED Display Power Supply

GENERAL DESCRIPTION

FEATURES

The SGM38042A generates both positive and negative

precision regulated voltage power sources with a

control scheme for single inductor dual output converter.

The positive output is programmable from 2.4V to 6.4V

with 100mV per step, and the negative output is

programmable from -2V to -3.2V with 50mV per step.

● Single Inductor for Triple Outputs

● High Efficiency in Wide Output Loading Range

● 850kHz PWM Mode Control Switching Frequency

● Pulse-Skip Operation in Light Load Condition

● Programmable Outputs with 1-Wire Interface

V_CPO= 2.4V to 6.4V

A linear regulator capable of 50mA output current is

also integrated. The device is equipped with 1-Wire

interface. With input in the range of 2.7V to 5.5V, the

device is optimized for loading 100mA in boost-inverter

mode and also works in buck-inverter mode.

_CNO= -2V to -3.2V

● Auxiliary Output Rail: Fixed 3.3V, 2.8V or 1.8V

● 100mA Output Current for V_CPOand V_CNO

● Configurable Active Discharge

● Internal Soft-Start to limit Inrush Current

● Over-Temperature Protection (OTP)

● Over-Current Protection (OCP)

The SGM38042A is available in a Green WLCSP-

1.51×2.10-15B package. It operates over an ambient

temperature range of -40℃ to +85℃.

● Short Circuit Protection (SCP)

APPLICATIONS

SELECTABLE MODEL

AMOLED/LCD Smart-Phones/Media-Players

Wearable Device Display

Model

Default Outputs

SGM38042A-1

SGM38042A-2

SGM38042A-3

SGM38042A-4

SGM38042A-5

V_CPO= 4.6V/V_CNO= -2.4V/V_CVO= 1.8V

V_CPO= 3.3V/V_CNO= -3.0V/V_CVO= 1.8V

V_CPO= 4.6V/V_CNO= -2.4V/V_CVO= 2.8V

V_CPO= 3.3V/V_CNO= -3.0V/V_CVO= 2.8V

V_CPO= 4.6V/V_CNO= -2.4V/V_CVO= 3.3V

TYPICAL APPLICATION

4.7μH

SWN

SWP

VIN

CVO Enable

CVO_EN

2.7V ~ 5.5V

CVO

3.3V/2.8V/1.8V

1W I/F

Discharge Enable

SGM38042A

DISP

DISN

CPO

CNO

2.4V ~ 6.4V

-2V ~ -3.2V

C_N

10μF

C_P

10μF

C_V

10μF

C_IN

10μF

C_NR

10μF

C_PR

22μF

Figure 1. Typical Application Circuit

SG Micro Corp

FEBRUARY 2021 – REV. A

www.sg-micro.com

12 3 4 5 6 7...15

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与SGM38042A相关器件

型号	品牌	获取价格	描述	数据表
SGM38042B-1	SGMICRO	获取价格	Single Inductor Triple Output AMOLED Display Power Supply
SGM38042B-3	SGMICRO	获取价格	Single Inductor Triple Output AMOLED Display Power Supply
SGM38042B-5	SGMICRO	获取价格	Single Inductor Triple Output AMOLED Display Power Supply
SGM38045	SGMICRO	获取价格	Charge Pump Mode Power Supply for Wearable AMOLED Products
SGM3833A	SGMICRO	获取价格	Triple-Output AMOLED Display Power Supply
SGM3833B	SGMICRO	获取价格	Triple-Output AMOLED Display Power Supply
SGM3836A	SGMICRO	获取价格	Triple-Output AMOLED Display Power Supply
SGM3837	SGMICRO	获取价格	Triple-Output 600mA AMOLED Display Power Supply
SGM3838	SGMICRO	获取价格	Triple-Output 700mA AMOLED Display Power Supply
SGM3839	SGMICRO	获取价格	Triple-Output 1200mA AMOLED Display Power Supply

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