MAX828

更新时间： 2024-11-18 22:55:11

品牌	Logo	应用领域
安森美 - ONSEMI		转换器开关
页数	文件大小	规格书
12页	176K
描述
Switched Capacitor Voltage Converters

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数据手册

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MAX828 数据手册

The MAX828/829 are CMOS “charge–pump” voltage converters in

ultra–small SOT–23 5 lead packages. They invert and/or double an

input voltage which can range from +1.5V to +5.5V. Conversion

efficiency is typically >95%. Switching frequency is 12kHz for the

MAX828 and 35kHz for the MAX829.

http://onsemi.com

External component requirement is only two capacitors (3.3µF

nominal) for standard voltage inverter applications. With a few

additional components a positive doubler can also be built. All other

circuitry, including control, oscillator, power MOSFETs are integrated

on–chip. Supply current is 50 µA (MAX828) and 115 µA (MAX829).

The MAX828 and MAX829 are available in a SOT–23 5 lead

surface mount package.

SOT–23–5

SN SUFFIX

CASE TBD

PRELIMINARY INFORMATION

Features

• Charge Pump in SOT–23 5 Lead Package

• >95% Voltage Conversion Efficiency

• Voltage Inversion and/or Doubling

PIN CONFIGURATION

(Top View)

• Low 50 µA (MAX828) Quiescent Current

• Operates from +1.5V to +5.5V

• Up to 25 mA Output Current

• Only Two External Capacitors Required

• Tested Operating Temperature Range: –40°C to +85°C

OUT

–

GND

Typical Applications

SOT–23–5*

• LCD Panel Bias

NOTE: *SOT–23–5 is equivalent to EIAJ–SC74A

• Cellular Phones

• Pagers

• PDAs, Portable Dataloggers

• Battery–Powered Devices

ORDERING INFORMATION

TYPICAL OPERATING CIRCUIT

Device

Package

Shipping

Voltage Inverter

MAX828SNTR

SOT–23–5

3000 Tape/Reel

–

INPUT

MAX829SNTR

SOT–23–5

3000 Tape/Reel

–

OUT

OUTPUT

GND

Semiconductor Components Industries, LLC, 1999

Publication Order Number:

February, 2000 – Rev. 0

MAX828/D

12 3 4 5 6 7...12

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MAX828EUK-T	MAXIM	获取价格	IC-SM-VOLTAGE INVERTER
MAX828SNTR	ONSEMI	获取价格	Switched Capacitor Voltage Converters
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