GS7660

更新时间： 2024-09-15 22:48:43

品牌	Logo	应用领域
威世 - VISHAY		转换器开关
页数	文件大小	规格书
9页	113K
描述
Switched-Capacitor Voltage Converter

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GS7660 数据手册

GS7660

New Product

Vishay

formerly General Semiconductor

Switched-Capacitor Voltage Converter

Description

The GS7660 is a monolithic CMOS switched capacitor

voltage converter, designed to be an improved direct

replacement of the popular ICL7660, MAX1044 and

LTC1044. They perform supply voltage conversions from

positive to negative for an input voltage range of +1.5V to

+6.0V to their negative complements of –1.5V to –6.0V.

The input voltage can also be doubled (V_OUT= 2V_IN),

halved (V_OUT= V_IN/2), or multiplied (V_OUT= ± n.V_IN).

SO-8

8 Pin Dip

Features

• Low output impedance ( typical 35Ω at V_IN= 5V )

• Low quiescent current ( typical 36µA at V_IN= 5V)

• High power conversion efficiency ( typical 98% )

Contained on the chip are a series Power Supply regula-

tor, Oscillator, control Circuitry and four Power MOS

Switches. The oscillator, when unloaded, oscillates at a

nominal frequency of 10 kHz, with an Input voltage of 5.0V.

This frequency can be lowered by the addition of an external

capacitor to the “Osc” terminal or overdriven by an external

frequency source.

• Simple and accurate voltage conversion from

positive to negative polarities

• Improved latch-up protection

• No external diodes required

An Oscillator “boost” function is available to increase the

oscillator frequency which will optimize performance of

certain parameters. The Lv input can be connected to

ground to improve low voltage operation (V_IN≤ 3V), or left

open for input voltages greater than 3V to reduce power

dissipation.

Applications

• – 5V supply from + 5V logic supply

• EIA/TIA – 232E and EIA/TIA – 562 power supplies

• Portable telephones

The GS7660 provides superior performance over earlier

designs by combining low output impedance and low qui-

escent current with high efficiency and by eliminating diode

voltage drop losses. The only external components

required are two low cost electrolytic capacitors.

• Data acquisition systems

• Personal communications equipment

• Panel meters

• Handheld instruments

Typical Application Circuit

VIN (1.5V to 6V)

Required for

VIN 3V

GS7660

10µF

V_OUT= --V_IN

10µF

Negative Voltage Converter

Document Number 74819

24-May-02

www.vishay.com

12 3 4 5 6 7...9

中文翻译

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与GS7660相关器件

型号	品牌	获取价格	描述	数据表
GS7660IP	VISHAY	获取价格	Switched-Capacitor Voltage Converter
GS7660IS	VISHAY	获取价格	Switched-Capacitor Voltage Converter
GS78108AB	GSI	获取价格	1M x 8 8Mb Asynchronous SRAM
GS78108AB-10	GSI	获取价格	1M x 8 8Mb Asynchronous SRAM
GS78108AB-10I	GSI	获取价格	1M x 8 8Mb Asynchronous SRAM
GS78108AB-10IT	GSI	获取价格	Standard SRAM, 1MX8, 10ns, CMOS, PBGA119, 14 X 22 MM, 1.27 MM PITCH, FPBGA-119
GS78108AB-10T	GSI	获取价格	Standard SRAM, 1MX8, 10ns, CMOS, PBGA119, 14 X 22 MM, 1.27 MM PITCH, FPBGA-119
GS78108AB-12	GSI	获取价格	1M x 8 8Mb Asynchronous SRAM
GS78108AB-12I	GSI	获取价格	1M x 8 8Mb Asynchronous SRAM
GS78108AB-12IT	GSI	获取价格	Standard SRAM, 1MX8, 12ns, CMOS, PBGA119, 14 X 22 MM, 1.27 MM PITCH, FPBGA-119

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