TC7662AIJA Datasheet

IC型號：
TC7662AIJA
PDF描述：
CHARGE PUMP DC-TO-DC CONVERTER
文件大?。?/label>
56.51KB
PDF頁數(shù)：
7頁
芯片廠家：
MICROCHIP

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EVALUATION

KIT

AVAILABLE

TC7662A

CHARGE PUMP DC-TO-DC CONVERTER

FEATURES

Wide Operating Range ............................. 3V to 18V

Increased Output Current .............................. 40mA

Pin Compatible with ICL7662/SI7661/TC7660/

LTC1044

No External Diodes Required

Low Output Impedance @ I

= 20mA ....... 40

鈩?/div>

Typ.

No Low-Voltage Terminal Required

CMOS Construction

GENERAL DESCRIPTION

The TC7662A is a pin-compatible upgrade to the In-

dustry standard TC7660 charge pump voltage converter. It

converts a +3V to +18V input to a corresponding 鈥?V to

鈥?8V output using only two low-cost capacitors, eliminating

inductors and their associated cost, size and EMI. In addi-

tion to a wider power supply input range (3V to 18V versus

1.5V to 10V for the TC7660), the TC7662A can source

output currents as high as 40mA. The on-board oscillator

operates at a nominal frequency of 12kHz. Operation be-

low 10kHz (for lower supply current applications) is also

possible by connecting an external capacitor from OSC to

ground.

The TC7662A directly is recommended for designs

requiring greater output current and/or lower input/output

voltage drop. It is available in 8-pin PDIP, and CerDIP

packages in commercial and extended temperature ranges.

PIN CONFIGURATION

PDIP/CerDIP

NC 1

GND 3

鈥?/div>

8 V

7 OSC

ORDERING INFORMATION

Part No.

TC7662ACPA

TC7662AEPA

TC7662AIJA

TC7662AMJA

Package

8-Pin Plastic DIP

8-Pin CerDIP

Temperature

Range

0擄C to +70擄C

鈥?40擄C to +85擄C

鈥?25擄C to +85擄C

鈥?55擄C to +125擄C

TC7662A

6 NC

5 V

OUT

NC = NO INTERNAL CONNECTION

FUNCTIONAL BLOCK DIAGRAM

COSC

LEVEL

SHIFT

P SW1

CAP

TC7662A

VDD

鈥?/div>

F/F

COMPARATOR

WITH HYSTERESIS

VREF

LEVEL

SHIFT

N SW4

EXT

GND

LEVEL

SHIFT

OUT

N SW2

鈥?/div>

EXT

CAP

LEVEL

SHIFT

N SW3

VOUT

漏 2001 Microchip Technology Inc.

DS21468

TC7662A-5 9/11/96

標(biāo)準(zhǔn)包裝
56
類別
集成電路 (IC)
家庭
PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器
系列
-
類型
切換式電容器（充電泵），反相
輸出類型
可調(diào)式
輸出數(shù)
1
輸出電壓
-3 V ~ -18 V
輸入電壓
3 V ~ 18 V
PWM 型
-
頻率 - 開關(guān)
12kHz
電流 - 輸出
40mA
同步整流器
無
工作溫度
-25°C ~ 85°C
安裝類型
通孔
封裝/外殼
8-CDIP（0.300"，7.62mm）
包裝
管件
供應(yīng)商設(shè)備封裝
8-CERDIP

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TC7662AIJA Datasheet

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