IMP2524/27
Absolute Maximum Ratings
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
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.
SO (θJA
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160°C/W
DIP(θJA ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130°C/W
Electrical Characteristics
Unless otherwise noted, VIN = 5V and TA = 25°C.
Parameter
Supply Voltage Range
Symbol Conditions
Min
2.7
Typ
Max
5.5
85
Units
V
VIN
TA = –40°C to +85°C
Operating Temperature Range
TA
–40
°C
Supply Current
Switch OFF
IIN OFF
Switch OFF, No load
0.75
110
10
µA
VENOFF ≤ 0.8V, VENON ≥ 2.4V IMP2524/27-1
VENON ≤ 0.8V, VENOFF ≥ 2.4V IMP2524/27-2
Supply Current
Switch ON
IIN ON
Switch ON, No load
320
2.4
µA
VENOFF ≤ 0.8V, VENON ≥ 2.4V IMP2524/27-1
VENON ≤ 0.8V, VENOFF ≥ 2.4V IMP2524/27-2
Enable Input Threshold
Enable Input Current
VENH
VENL
IEN
LOW to HIGH (“0” to “1”) Enable Voltage, Note 1
HIGH to LOW (“1” to “0”) Enable Voltage, Note 1
VEN = 2.4V
2.1
1.9
V
0.8
0.5
0.01
0.01
1
1
1
µA
VEN = 0.8V
Enable Input Capacitance
Switch ON Resistance
CEN
RON
pF
IMP2524: IOUT = 500mA each switch
IMP2527: IOUT = 500mA each switch
Each output
0.10
0.20
0.14
0.30
Ω
Continuous Load Current
Output Turn-On Delay
Output Turn-On Rise Time
Output Turn-Off Delay
Output Turn-Off Fall Time
Output Leakage Current
Short-circuit Current Limit
Overtemperature Shutdown
Threshold
IL
A
TDON
TRON
TDOFF
TFOFF
IOFF
RL = 10Ω each output
0.25
ms
ms
µs
µs
µA
A
RL = 10Ω each output
1
1
1
RL = 10Ω each output
20
20
RL = 10Ω each output
10
ISC
0.50
0.75
135
125
10
1.25
TJ increasing
°C
TJ decreasing
Error Flag Output Resistance
RFLAG
VIN = 5V, IL = 10mA
VIN = 3.3V, IL = 10mA
VFLAG = 5V
Ω
15
Error Flag Output Current
UVLO Threshold
IFLAG
0.01
2.5
1
µA
VUVLO
VIN Increasing
VIN Decreasing
V
2.3
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
EN ≤ 0.8V for the IMP2524/27-2. The Enable input has approximately 200mV of hysteresis.
V
©
1999 IMP, Inc.
408-432-9100/www.impweb.com
3
IMP [ IMP, INC ]
