Datasheet > TCA7660

TCA7660

更新时间： 2024-11-20 21:55:19

品牌	Logo	应用领域
美国微芯 - MICROCHIP		转换器
页数	文件大小	规格书
8页	78K
描述
HIGH FREQUENCY 7660 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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TCA7660 数据手册

EVALUATION

KIT

AVAILABLE

TC7660H

HIGH FREQUENCY 7660 DC-TO-DC VOLTAGE CONVERTER

GENERAL DESCRIPTION

FEATURES

The TC7660H is a pin-compatible, high frequency up-

grade to the Industry standard TC7660 charge pump volt-

age 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 EMI.

The TC7660H operates at a frequency of 120kHz

(versus 10kHz for the TC7660), allowing the use of 1.0µF

external capacitors. Oscillator frequency can be reduced

(for lower supply current applications) by connecting an

external capacitor from OSC to ground.

■ Pin Compatible with 7660, High Frequency

Performance DC-to-DC Converter

■ Low Cost, Two Low Value External Capacitors

Required ........................................................ (1.0µF)

■ Converts +5V Logic Supply to ±5V System

■ Wide Input Voltage Range ....................1.5V to 10V

■ Voltage Conversion ........................................ 99.7%

■ Power Efficiency ................................................ 85%

■ Available in 8-Pin SOIC and 8-Pin PDIP Packages

The TC7660H is available in 8-pin DIP and small

outline (SOIC) packages in commercial and extended

temperature ranges.

PIN CONFIGURATION (DIP and SOIC)

ORDERING INFORMATION

CAP

OSC

TC7660HCPA

TC7660HEPA

Temperature

LOW

VOLTAGE (LV)

GND

CAP

Part No.

Package

Range

–

OUT

TC7660HCOA

TC7660HCPA

TC7660HEOA

TC7660HEPA

TC7660EV

8-Pin SOIC

0°C to +70°C

8-Pin Plastic DIP

8-Pin SOIC

– 40°C to +85°C

OSC

8-Pin Plastic DIP

CAP

LOW

VOLTAGE (LV)

TC7660HCOA

TC7660HEOA

Evaluation Kit for

Charge Pump Family

GND

–

CAP

OUT

NC = NO INTERNAL CONNECTION

FUNCTIONAL BLOCK DIAGRAM

CAP

VOLTAGE–

LEVEL

TRANSLATOR

OSCILLATOR

÷ 2

–

OSC

CAP

OUT

INTERNAL

VOLTAGE

REGULATOR

LOGIC

NETWORK

TC7660H

GND

TC7660H-2 10/1/96

12 3 4 5 6 7 8

中文翻译

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