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IMP2524 Datasheet(PDF) 3 Page - IMP, Inc

Part No. IMP2524
Description  Quad USB High-Side Power Switch with Fault Detection
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Manufacturer  IMP [IMP, Inc]
Direct Link  http://www.ds-imp.com.cn/index.asp
Logo IMP - IMP, Inc

IMP2524 Datasheet(HTML) 3 Page - IMP, Inc

  IMP2524 Datasheet HTML 1Page - IMP, Inc IMP2524 Datasheet HTML 2Page - IMP, Inc IMP2524 Datasheet HTML 3Page - IMP, Inc IMP2524 Datasheet HTML 4Page - IMP, Inc  
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©
1999 IMP, Inc.
408-432-9100/www.impweb.com
3
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
V
Operating Temperature Range
TA
– 40
85
°C
Supply Current
IIN OFF
Switch OFF, No load
0.75
10
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
V
VENL
HIGH to LOW (“1” to “0”) Enable Voltage, Note 1
0.8
1.9
Enable Input Current
IEN
VEN = 2.4V
0.01
1
µA
VEN = 0.8V
0.01
1
Enable Input Capacitance
CEN
1pF
Switch ON Resistance
RON
IMP2524: IOUT = 500mA each switch
0.10
0.14
IMP2527: IOUT = 500mA each switch
0.20
0.30
Continuous Load Current
IL
Each output
0.5
A
Output Turn-On Delay
TDON
RL = 10
Ω each output
0.25
ms
Output Turn-On Rise Time
TRON
RL = 10
Ω each output
1
ms
Output Turn-Off Delay
TDOFF
RL = 10
Ω each output
1
20
µs
Output Turn-Off Fall Time
TFOFF
RL = 10
Ω each output
1
20
µs
Output Leakage Current
IOFF
10
µA
Short-circuit Current Limit
ISC
0.50
0.75
1.25
A
Overtemperature Shutdown
TJ increasing
135
°C
Threshold
TJ decreasing
125
Error Flag Output Resistance
RFLAG
VIN = 5V, IL = 10mA
10
VIN = 3.3V, IL = 10mA
15
Error Flag Output Current
IFLAG
VFLAG = 5V
0.01
1
µA
UVLO Threshold
VUVLO
VIN Increasing
2.5
V
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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