IMP527D1 데이터 시트보기 (PDF) - IMP, Inc

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IMP527D1

Single Cell Battery Powered Electroluminescent Lamp Driver/Inverter

IMP, Inc 

IMP527

Enable/Disable Operation

Figure 2 shows how the IMP527 can be enabled via a logic gate that

connects RSW to VDD, and disabled by connecting it to ground.

The IMP527 can also be disabled using a pad on the die. The

Disable function pin is not available in packaged parts.

Enable/Disable Table

RSW Connection

VDD

Ground

ON = VDD

OFF = 0V

IMP527 State

Enabled

Disabled

CMOS

Gate

Disable PAD Connection

(Available only with dice)

HIGH (VDD)

LOW (Ground)

REL

IMP527 State

Disabled

Enabled

+

VDD –

L1

D

1N4148

RSW

0.1µF2

0.1µF

CS

100V

1 VDD

REL-OSC 8

2 RSW-OSC

VA 7

3 CS

VB 6

4 LX

GND 5

CSW*

0.1nF

IMP527

Note:

1. Murata part # LQH4N331K04 (DC resistance < 8.2 Ω)

2. Larger values may be required depending upon supply impedance.

* Optional

Figure 2. Enable/Disable Operation

EL lamp

527_04.eps

High Voltages Present

The IMP527 generates high voltages and caution should

be exercised.

Inductor Manufacturers

Manufacturer Series

USA Phone Number

Toko

D52FU

(847) 297-0070

Coilcraft

DS1608, DO1608, DT1608 (847) 639-6400

River Electronics FLC32

(310) 320-7488

Murata

LQH4N

(800) 831-9172

6

408-432-9100/www.impweb.com

© 2000 IMP, Inc.

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