STOD2540 datasheet(1/20 Pages) STMICROELECTRONICS

部件名	STOD2540

功能描述	PMOLED display power supply

PDF	20 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 20 page

July 2010

Doc ID 12204 Rev 10

1/20

20

STOD2540

PMOLED display power supply

Features

■ Inductor switches boost controller

■ PFM mode control

■ High efficiency over wide range of load (1 mA

to 40 mA)

■ Integrated load disconnect switch

■ Over voltage protection with automatic restart

■ Soft start with adjustable peak current limit

■ Enable pin

■ Low shutdown current

■ Small external inductor

■ Supply voltage from 3.0 V to 5.5 V

Application

■ PMOLED display driver

Description

STOD2540 is dedicated to passive matrix OLED

(PMOLED) displays for portable handsets and

provides the pre-charge and biasing voltage of

the column matrix driver as shown in figure 3. The

current capability of STOD2540 allows feeding a

1", 1.3" or 1.5" color PMOLED. STOD2540 is a

boost converter that operates from 3.0 V to 5.5 V

and can provide an output voltage as high as 25

V. The output current capability is maximum 40

mA up to 25 V output voltage. The regulation is

performed by a resistor divider network (figure 3)

that detects the output voltage.

In this state-of-the-art boost converter, a DC

current path exists between the battery source

and the load. In order to reduce the consumption

in shutdown mode, a high-side load isolation

switch is necessary to cut this DC current path in

standby mode. The load disconnect switch (LDS)

act as an isolation switch in shutdown mode.

QFN8 (3 x 3 mm)

Table 1.

Device summary

Order code

Package

Packaging

STOD2540PUR

QFN8 (3 x 3 mm)

3000 parts per reel

www.st.com

类似零件编号 - STOD2540

制造商	部件名	数据表	功能描述
STMicroelectronics	STOD2540	522Kb / 19P	PMOLED display power supply 11-Sep-2006
STMicroelectronics	STOD2540PMR	522Kb / 19P	PMOLED display power supply 11-Sep-2006

More results

类似说明 - STOD2540

制造商	部件名	数据表	功能描述
STMicroelectronics	STOD2540	522Kb / 19P	PMOLED display power supply 11-Sep-2006
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