IMP2527 datasheet(3/4 Pages) IMP

3 / 4 page

1999 IMP, Inc.

408-432-9100/www.impweb.com

IMP252

IMP252 4/2

4/277

Absolute Maximum Ratings

Electrical Characteristics

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . +8.0V

Fault Flag Voltage

. . . . . . . . . . . . . . . . . . . . . . +8.0V

Fault Flag Current . . . . . . . . . . . . . . . . . . . . . . 50mA

Output Voltage . . . . . . . . . . . . . . . . . . . . . . . . . +8.0V

Output Current . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited

Enable Input . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to 12V

Storage Temperature . . . . . . . . . . . . . . . . . . . . . –65

°C to +150°C

Lead Temperature (Soldering, 5 sec.) . . . . . . . 260

°C

Package Thermal Resistance

SO (

θJA ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160°C/W

DIP(

θJA ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130°C/W

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.

Parameter

Symbol Conditions

Min

Typ

Max

Units

Supply Voltage Range

VIN

TA = – 40

°C to +85°C

2.7

5.5

Operating Temperature Range

– 40

°C

Supply Current

IIN OFF

Switch OFF, No load

0.75

µA

Switch OFF

VENOFF

≤ 0.8V, VENON ≥ 2.4V IMP2524/27-1

VENON

≤ 0.8V, VENOFF ≥ 2.4V IMP2524/27-2

Supply Current

IIN ON

Switch ON, No load

110

320

µA

Switch ON

VENOFF

≤ 0.8V, VENON ≥ 2.4V IMP2524/27-1

VENON

≤ 0.8V, VENOFF ≥ 2.4V IMP2524/27-2

Enable Input Threshold

VENH

LOW to HIGH (“0” to “1”) Enable Voltage, Note 1

2.1

2.4

VENL

HIGH to LOW (“1” to “0”) Enable Voltage, Note 1

0.8

1.9

Enable Input Current

IEN

VEN = 2.4V

0.01

µA

VEN = 0.8V

0.01

Enable Input Capacitance

CEN

1pF

Switch ON Resistance

RON

IMP2524: IOUT = 500mA each switch

0.10

0.14

Ω

IMP2527: IOUT = 500mA each switch

0.20

0.30

Continuous Load Current

Each output

0.5

Output Turn-On Delay

TDON

RL = 10

Ω each output

0.25

Output Turn-On Rise Time

TRON

RL = 10

Ω each output

Output Turn-Off Delay

TDOFF

RL = 10

Ω each output

µs

Output Turn-Off Fall Time

TFOFF

RL = 10

Ω each output

µs

Output Leakage Current

IOFF

µA

Short-circuit Current Limit

ISC

0.50

0.75

1.25

Overtemperature Shutdown

TJ increasing

135

°C

Threshold

TJ decreasing

125

Error Flag Output Resistance

RFLAG

VIN = 5V, IL = 10mA

Ω

VIN = 3.3V, IL = 10mA

Error Flag Output Current

IFLAG

VFLAG = 5V

0.01

µA

UVLO Threshold

VUVLO

VIN Increasing

2.5

VIN Decreasing

2.3

Unless otherwise noted, VIN = 5V and TA = 25°C.

Notes 1. Switch OFF is VEN

≤ 0.8V and Switch ON is VEN ≥ 2.4V for the IMP2524/27-1. Switch OFF is VEN ≥ 2.4V and Switch ON is

VEN

≤ 0.8V for the IMP2524/27-2. The Enable input has approximately 200mV of hysteresis.

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