IMP522 Ver la hoja de datos (PDF) - IMP, Inc

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componentes Descripción

Fabricante

IMP522

Dual EL Lamp Driver

IMP, Inc 

IMP522

Pin Configuration

MicroSO

VDD 1

RSW-OSC 2

CS 3

LX 4

VB 5

IMP522

10 REL-OSC

9 LMPSEL

8 VA

7 VAB

6 GND

522_02.eps

Ordering Information

Part Number

Input Voltage

IMP522EMB

2.0V to 6.5V

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

Temperature Range

– 40°C to +85°C

Pins - Package

10-MicroSO

Absolute Maximum Ratings

VDD, RSW-OSC and REL-OSC . . . . . . . . . . . . . . . . . –0.5V to +7.0V

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

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

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

Power Dissipation (MicroSO) . . . . . . . . . . . . . 500mW

VA, VB, VAB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –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, L = 220µH and TA = 25°C.

Parameter

ON-resistance of MOS Switch

Output Voltage Regulation

Symbol

RDS(ON)

VCS

Output Voltage Peak-to-Peak (in regulation)

Input Current at VDD Pin

Powerdown Input Current

VA-VAB, VB-VAB

IDD

IDDQ

Input Crrent Plus Inductor Current

IIN

Output Drive Frequency

Switching Frequency

Switching Duty Cycle

LMPSEL Low-Level Threshold

LMPSEL High-Level Threshold

LMPSEL Input Resistance

LMPSEL Sink/Source Resistance

LMPSEL Hysteresis

fEL

fSW

DSW

VIL

VIH

RLMPSEL

ILMPSEL

Vhys

Conditions

I = 100mA

VDD = 2.0 to 6.5V,

T = –40°C to 85°C

In Regulation

LMPSEL = GND

VRSW–OSC < 100mA

VDD = 2.0 to 6.5

T = –40°C to 85°C

See Figure 1

LMPSEL = GND or VDD

LMPSEL = floating

See Figure 1

See Figure 1

See Figure 1

Floating/Hign Impedance State

2

408-432-9100/www.impweb.com

Min

±5

Typ Max Units

4.0

8.0

Ω

110

120

V

220

V

650

µA

2

µA

30

43

250

61

88

0.3 VDD

0.7 VDD

50

50

mA

mA

Hz

kHz

%

V

V

kΩ

µA

mV

© 2001 IMP, Inc.

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