Datasheet > STOD13CM

STOD13CM

更新时间： 2024-01-02 14:16:12

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意法半导体 - STMICROELECTRONICS		/
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25页	988K
描述
250 mA dual DC-DC converter

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STOD13CM 数据手册

STOD13CM

250 mA dual DC-DC converter

Datasheet − production data

Features

■ Step-up and inverting 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

- 1.4 V to - 4.4 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

■ High immunity to TDMA noise

■ Enable pin for shutdown mode

■ Low quiescent current in shutdown mode

■ Soft-start with inrush current protection

■ Overtemperature protection

The STOD13CM 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, thereby

reducing the current consumption to less than 1

µA. The negative output voltage can be

■ Temperature range: -40 °C to 85 °C

■ True-shutdown mode

■ Fast circuit discharge outputs 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 OLED power supply in portable

devices

■ Cellular phones

■ Camcorders and digital still cameras

Table 1.

Device summary

Order code

Positive voltage

Negative voltage

Package

Packaging

STOD13CMTPUR

4.6 V

- 1.4 V to - 4.4 V

DFN12L (3 x 3 mm)

3000 parts per reel

January 2013

024087 Rev 1

1/25

This is information on a product in full production.

www.st.com

12 3 4 5 6 7...25

中文翻译

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