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IMP528D

High-Voltage EL Lamp Driver – 220 VPP Drive

IMP, Inc 

IMP528

Pin Configuration

SO/ MicroSO

VDD 1

RSW-OSC 2

CS 3

LX 4

IMP528

8 REL-OSC

7 VA

6 VB

5 GND

528_02.eps

Pin Compatible With IMP803 and IMP560

Ordering Information

Part Number Input Voltage

IMP528ESA

2.0V to 6.5V

IMP528EMA

2.0V to 6.5V

IMP528/D*

2.0V to 6.5V

IMP528/D1**

2.0V to 6.5V

* Disable pad not active

** Disable pad active

Add /T to ordering part number for Tape and Reel.

Regulated Output Voltage

Yes

Yes

Yes

Yes

Temperature Range

– 40°C to +85°C

– 40°C to +85°C

25°C

25°C

Pins-Package

8-SO

8-MicroSO

Dice

Dice

Absolute Maximum Ratings

VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5V to +7.0V

VRSW-OSC and VREL-OSC . . . . . . . . . . . . . . . . . . . –0.5V to VDD +0.3V

VCS, LX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5V to +120V

Operating Temperature Range . . . . . . . . . . . . –40°C to +85°C

Storage Temperature Range . . . . . . . . . . . . . . –65°C to +150°C

Power Dissipation (SO) . . . . . . . . . . . . . . . . . . 400mW

Power Dissipation (MicroSO) . . . . . . . . . . . . . 300mW

VA, VB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5V to VCS (pin 3)

Note: All voltages are referenced to GND.

These are stress ratings only and functional operation is not

implied. Exposure to absolute maximum ratings for prolonged

time periods may affect device reliability.

Electrical Characteristics

Unless otherwise noted, VDD = 3.0V, RSW = 910kΩ, REL = 2.7MΩ, and TA = 25°C.

Parameter

ON-resistance of MOS Switch

Output Voltage Regulation

Output Voltage Peak-to-peak (in regulation)

Input Current at VDD Pin

Input Current at VDD Pin

Quiescent VDD Supply Current, Disabled

Input Current: IDD Plus Inductor Current

VA-B Output Drive Frequency

Switching Frequency

Switching Duty Cycle

Symbol

RDS(ON)

VCS

VA-VB

IDD

IDD

IDDQ

IIN

fEL

fSW

DSW

Conditions

I = 100mA

VDD = 2.0 to 6.5V

VDD = 2.0 to 6.5V

VDD = 3.0V, See Figure 1

VDD = 5.0V

VRSW-OSC < 100mV

VDD = 3.0V, See Figure 1

VDD = 3.0V, See Figure 1

VDD = 3.0V, See Figure 1

VDD = 3.0V, See Figure 1

Min Typ

3.0

110

220

420

500

20

21

250

61

88

Max

8

700

750

200

31

Units

Ω

V

V

µA

µA

nA

mA

Hz

kHz

%

2

408-432-9100/www.impweb.com

© 2001 IMP, Inc.

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