SM8140AM datasheet(1/6 Pages) NPC

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SM8140A

NIPPON PRECISION CIRCUITS—1

NIPPON PRECISION CIRCUITS INC.

EL Driver IC

OVERVIEW

The SM8140A is designed for using as EL (Elec-

tronic Luminescence) sheet driver require very low

external parts counts, this result that very compact

and thin EL driver units can be made.

Also this device has the features to use in wider

range of applications demanding low quiescent cur-

rent, low supply voltages, low operating supply cur-

rents, simple brightness control and low EMI

(Electro-Magnetic Interference) emission due to the

inherent smooth driver wave forms.

FEATURES

s

Specially providing EL driver functions

s

Non-transformer for compact outline

s

Bipolar driving for high power efﬁciency

s

Very low noise smooth driver wave forms

s

Brightness control with driving frequency change

(An external resistance determines the driving fre-

quency)

s

Low power consumption by quiescent current

control

s

ON-chip high voltage output MOS transistor

s

Large EL sheet (Exceeding 100 cm2) drivable

s

supply voltage

VDD = 2.4V to 3.6V or 5.0V

s

1.5V and 3V power applicable

(Refer to APPLICATION HINTS)

s

Maximum output driver voltage:200VP − P

s

Typical driver frequency:250Hz

s

14 pin SSOP

s

chip form

ORDERING INFOMATION

PIN OUT

( Top View )

PIN OUT

( Unit : mm )

Device

Package

SM8140AM

14pin SSOP

CF8140A

Chip in tray

1

8

7

CHV

LDR

VSS1

OCL2

OCL1

OCE2

OCEl

OUT1

OUT2

CP2

CP1

CPO

VDD

ENA

14pin SSOP

14

8.00

8.20

1.00

0.35 0.10

0.625 0.20

010

0.17 0.20

Số phần tương tự - SM8140AM

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