HT7660 datasheet(2/9 Pages) HOLTEK

tên linh kiện	HT7660

Giải thích chi tiết về linh kiện	CMOS Switched-Capacitor Voltage Converter

PDF	9 Pages

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Pin Assignment

Pin Description

Pin No. Pin Name

I/O

Internal

Connection

Description

BOOST

CMOS

Pull-low

Higher switching frequency selection input

CAP+

CMOS

This pin is connected to the positive terminal of Ca-

pacitor C1 for a charge pump

VSS

¾¾

Negative power supply, ground

CAP-

NMOS

This pin is connected to the negative terminal of Ca-

pacitor C1 for a charge pump

VOUT

NMOS

This pin is connected to the negative terminal of Ca-

pacitor C2 for charge reservoir. Output voltage pass

through this pin

6LV

Floating this pin enables the voltage regulator. Con-

nect this pin to VSS (Ground) to bypass voltage reg-

ulator and improve low voltage operation

OSC

I/O Transmission

Gate

External clock input pin. This pin can be connected

with an external capacitor to reduce switching fre-

quency

VDD

¾¾

Positive power supply

HT7660

November 30, 1999

BO O S T

CA P +

VS S

CA P -

VD D

OS C

VO U T

H T 7 6 6 0

8 D I P / S O P

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