IMP2524 Datasheet, PDF (9/32 Pages) IMP, Inc – Quad USB High-Side Power Switch with Fault Detection

IMP2525
Absolute Maximum Ratings
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . +6.0V
Fault Flag Voltage . . . . . . . . . . . . . . . . . . . . . . +6.0V
Fault Flag Current . . . . . . . . . . . . . . . . . . . . . . 50mA
Output Voltage . . . . . . . . . . . . . . . . . . . . . . . . . +6.0V
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 (θ_JA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120°C/W
DIP(θ_JA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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.
Electrical Characteristics
Unless otherwise noted, V_IN = 5V and T_A = 25°C.
Parameter
Symbol
Supply Voltage Range
V_IN
Operating Temperature Range T_A
Supply Current
Switch OFF
I_{IN OFF}
Supply Current
Switch ON
I_{IN ON}
Enable Input Threshold
Enable Input Current
Enable Input Capacitance
Switch ON Resistance
V_ENH
V_ENL
I_EN
C_EN
R_ON
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
Error Flag Output Resistance
T_DON
T_RON
T_DOFF
T_FOFF
I_OFF
I_SC
R_FLAG
Error Flag Output Current
UVLO Threshold
I_FLAG
V_UVLO
Conditions
T_A = – 40°C to +85°C
Switch OFF, No load
V_ENOFF ≤ 0.8V, V_ENON ≥ 2.4V IMP2525-1
V_ENON ≤ 0.8V, V_ENOFF ≥ 2.4V IMP2525-2
Switch ON, No load
V_ENOFF ≤ 0.8V, V_ENON ≥ 2.4V IMP2525-1
V_ENON ≤ 0.8V, V_ENOFF ≥ 2.4V IMP2525-2
LOW to HIGH (“0” to “1”) Enable Voltage, Note 1, 2
HIGH to LOW (“1” to “0”) Enable Voltage, Note 1, 2
V_EN = 0V to 5.5V
V_IN = 5V, I_OUT = 500mA
V_IN = 3.3V, I_OUT = 500mA
R_L = 10Ω
R_L = 10Ω
R_L = 10Ω, Note 2
R_L = 10Ω, Note 2
T_J increasing
T_J decreasing
V_IN = 5V, I_L = 10mA
V_IN = 3.3V, I_L = 10mA
V_FLAG = 5V
V_IN Increasing
V_IN Decreasing
Min
2.7
– 40
0.8
–1
0.50
Typ Max Units
5.5
V
85
°C
0.75
5
µA
110
160
µA
2.1
2.4
V
1.9
± 0.01
1
µA
1
pF
0.1
0.14
Ω
0.14
0.18
0.25
ms
1
ms
1
20
µs
1
20
µs
10
µA
0.75
1.25
A
135
°C
125
10
25
Ω
15
40
0.01
1
µA
2.5
V
2.3
Notes 1. Switch OFF is V_EN ≤ 0.8V and Switch ON is V_EN ≥ 2.4V for the IMP2525-1. Switch OFF is V_EN ≥ 2.4V and Switch ON is V_EN ≤ 0.8V
for the IMP2525-2. The Enable input has approximately 200mV of hysteresis.
2. Over operating temperature range, –40°C ≤ T_A ≤ 85°C.
© 2000 IMP, Inc.
USB High-Side Power Switches
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