IMP525_D Ver la hoja de datos (PDF) - IMP, Inc

Número de pieza

componentes Descripción

Fabricante

IMP525_D

Single Cell Battery Powered Electroluminescent Lamp Driver/Inverter

IMP, Inc 

IMP525

Enable/Disable Operation

Figure 2 shows how the IMP525 can be enabled via a logic gate that

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

The IMP525 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

IMP525 State

Enabled

Disabled

CMOS

Gate

Disable PAD Connection

(Available only with dice)

HIGH (VDD)

LOW (Ground)

IMP525 State

Disabled

Enabled

REL

+

VDD –

L1

D

1N4148

RSW

0.1µF2

15V

0.1µF

CS

100V

1 VDD

REL-OSC 8

2 RSW-OSC

VA 7

3 CS

VB 6

4 LX

GND 5

IMP525

0.1nF3

Note:

1. Murata part # LQH4N561K04 (DC resistance <14.5 Ω)

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

3. Optional noise-suppression capacitor.

Figure 2. Enable/Disable Operation

EL lamp

525_04.eps

High Voltages Present

The IMP525 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

6

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