Datasheet > STOD13AS

STOD13AS

更新时间： 2024-01-27 03:54:32

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
25页	694K
描述
Synchronous rectification for both DC-DC converters

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STOD13AS 数据手册

STOD13AS

250 mA dual DC-DC converter

for powering AMOLED displays

Features

■ Step-up and inverter converters

■ Operating input voltage range from 2.5 V to

4.5 V

■ Synchronous rectification for both DC-DC

converters

■ Minimum 250 mA output current

■ 4.6 V fixed positive output voltage

DFN12L (3 x 3 mm)

■ Programmable negative voltage by S_WIREfrom

-2.4 V to -6.4 V at 100 mV steps

■ Typical efficiency: 85%

■ Multimedia players

■ Pulse skipping mode in light load condition

■ 1.5 MHz PWM mode control switching

frequency

Description

■ TDMA noise high immunity

The STOD13AS is a dual DC-DC converter for

AMOLED display panels. It integrates a step-up

and an inverting DC-DC converter making it

particularly suitable for battery operated products,

in which the major concern is overall system

efficiency. It works in pulse skipping mode during

low load conditions and PWM-MODE at 1.5 MHz

frequency for medium/high load conditions. The

high frequency allows the value and size of

external components to be reduced. The Enable

pin allows the device to be turned off, therefore

reducing the current consumption to less than 1

µA. The negative output voltage can be

■ Enable pin for shutdown mode

■ Low quiescent current in shutdown mode

■ Soft-start with inrush current protection

■ Overtemperature protection

■ Temperature range: -40 °C to 85 °C

■ True-shutdown mode

■ Fast discharge outputs of the circuits after

shutdown

■ Short-circuit protection

■ Package DFN12L (3 x 3 mm) 0.6 mm height

programmed by an MCU through a dedicated pin

which implements single-wire protocol. Soft-start

with controlled inrush current limit, thermal

shutdown, and short-circuit protection are

integrated functions of the device.

Applications

■ Active matrix AMOLED power supply in

portable devices

■ Cellular phones

■ Camcorders and digital still cameras

Table 1.

Device summary

Order code

Positive voltage

Negative voltage

Package

Packaging

STOD13ASTPUR

January 2012

4.6V

-2.4V to -6.4V

DFN12L (3 x 3mm)

3000 parts per reel

Doc ID 022733 Rev 1

1/25

www.st.com

12 3 4 5 6 7...25

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STOD1412PMR	STMICROELECTRONICS	获取价格	SWITCHING CONTROLLER, 1300kHz SWITCHING FREQ-MAX, QCC16, 3 X 3 MM, ROHS COMPLIANT, QFN-16
STOD1412PUR	STMICROELECTRONICS	获取价格	Step-up and inverting DC-DC converter
STOD14PUR	STMICROELECTRONICS	获取价格	DUAL SWITCHING CONTROLLER, 1760kHz SWITCHING FREQ-MAX, PDSO12, 4 X 4 MM, 0.75 MM HEIGHT, 0
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