Datasheet > NCP1729

NCP1729

更新时间： 2024-11-22 22:54:31

品牌	Logo	应用领域
安森美 - ONSEMI		开关
页数	文件大小	规格书
22页	168K
描述
Switched Capacitor Voltage Inverter

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NCP1729 数据手册

NCP1729

Switched Capacitor

Voltage Inverter

The NCP1729 is a CMOS charge pump voltage inverter that is

designed for operation over an input voltage range of 1.15 V to 5.5 V

with an output current capability in excess of 50 mA. The operating

current consumption is only 122 mA, and a power saving shutdown

input is provided to further reduce the current to a mere 0.4 mA. The

device contains a 35 kHz oscillator that drives four low resistance

MOSFET switches, yielding a low output resistance of 26 W and a

voltage conversion efficiency of 99%. This device requires only two

external 3.3 mF capacitors for a complete inverter making it an ideal

solution for numerous battery powered and board level applications.

The NCP1729 is available in the space saving TSOP−6 package.

http://onsemi.com

MARKING

DIAGRAM

TSOP−6

(SOT23−6)

SN SUFFIX

EADYW

CASE 318G

Features

EAD = Device Code

• Operating Voltage Range of 1.15 V to 5.5 V

• Output Current Capability in Excess of 50 mA

• Low Current Consumption of 122 mA

• Power Saving Shutdown Input for a Reduced Current of 0.4 mA

• Operation at 35 kHz

= Year

= Work Week

PIN CONNECTIONS

• Low Output Resistance of 26 W

• Space Saving TSOP−6 Package

• Pb−Free Package is Available

C+

out

SHDN

GND

C−

Typical Applications

• LCD Panel Bias

• Cellular Telephones

• Pagers

(Top View)

• Personal Digital Assistants

• Electronic Games

• Digital Cameras

• Camcorders

ORDERING INFORMATION

†

Device

Package

Shipping

NCP1729SN35T1

TSOP−6

3000 /

Tape & Reel

• Hand Held Instruments

NCP1729SN35T1G

TSOP−6

3000 /

(Pb−Free)

Tape & Reel

−V

out

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specifications

Brochure, BRD8011/D.

This device contains 77 active transistors.

Figure 1. Typical Application

Semiconductor Components Industries, LLC, 2004

Publication Order Number:

June, 2004 − Rev. 3

NCP1729/D

12 3 4 5 6 7...22

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