Datasheet > TC7660_02

TC7660_02

更新时间： 2024-11-25 04:00:27

品牌	Logo	应用领域
美国微芯 - MICROCHIP		转换器泵
页数	文件大小	规格书
18页	386K
描述
Charge Pump DC-to-DC Voltage Converter

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中文翻译

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数据手册

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TC7660_02 数据手册

TC7660

Charge Pump DC-to-DC Voltage Converter

Features

Package Types

• Wide Input Voltage Range: +1.5V to +10V

• Efficient Voltage Conversion (99.9%, typ)

• Excellent Power Efficiency (98%, typ)

• Low Power Consumption: 80 µA (typ) @ V = 5V

• Low Cost and Easy to Use

- Only Two External Capacitors Required

• Available in 8-Pin Small Outline (SOIC), 8-Pin

PDIP and 8-Pin CERDIP Packages

PDIP/CERDIP/SOIC

V⁺

CAP⁺

GND

OSC

TC7660

LOW

VOLTAGE (LV)

CAP^-

V_OUT

• Improved ESD Protection (3 kV HBM)

• No External Diode Required for High-Voltage

Operation

General Description

The TC7660 is a pin-compatible replacement for the

industry standard 7660 charge pump voltage

converter. It converts a +1.5V to +10V input to a

corresponding -1.5V to -10V output using only two low

cost capacitors, eliminating inductors and their

associated cost, size and electromagnetic interference

(EMI).

Applications

• RS-232 Negative Power Supply

• Simple Conversion of +5V to ±5V Supplies

• Voltage Multiplication V

• Negative Supplies for Data Acquisition Systems

and Instrumentation

= ± n V

OUT

The on-board oscillator operates at

a nominal

frequency of 10 kHz. Operation below 10 kHz (for

lower supply current applications) is possible by

connecting an external capacitor from OSC to ground.

The TC7660 is available in 8-Pin PDIP, 8-Pin Small

Outline (SOIC) and 8-Pin CERDIP packages in

commercial and extended temperature ranges.

Functional Block Diagram

V CAP

Voltage

Level

OSC

CAP-

Oscillator

Translator

OUT

Voltage

Regulator

Logic

Network

TC7660

GND

 2002 Microchip Technology Inc.

DS21465B-page 1

12 3 4 5 6 7...18

中文翻译

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