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MAX1693/(MAX1693H)/MAX1694
USB Current-Limited Switches
with Fault Blanking
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS
(VIN = +5V, TA = -40°C to +85°C, unless otherwise noted.) (Note 3)
VIN = VFAULT = 5.5V
A
1
VIN = 4.4V to 5.5V
FAULT Output High Leakage
Current
V ON (ON) = GND (GND), IOUT = 0, timer not
running
From overcurrent condition to FAULT assertion
ISINK = 1mA, VIN = 3V
V ON (ON) = VIN or GND
(Note 1)
VIN = 3V to 3.6V
VIN = 3V to 5.5V
ms
V ON (ON) = VIN = VOUT = 5.5V (VON = GND)
Rising edge, 100mV hysteresis
VIN = 3V
V ON (ON) = VIN = 5.5V, VOUT = GND
(VON = GND)
OUT shorted to GND, MAX1693/(MAX1693H)
only (Note 2)
CONDITIONS
614
tFB
Fault-Blanking Timeout Period
ILOAD = 400mA
s
120
tOFF
Switch Turn-Off Time
ILOAD = 400mA
s
200
tON
Switch Turn-On Time
V
0.4
VOL
FAULT Output Logic Low
Voltage
A
±1
ON (ON) Input Leakage
V
2
VIH
ON (ON) Input Logic High
Voltage
V
0.8
VIL
ON (ON) Input Logic Low Voltage
mA
750
Continuous Short-Circuit
Current Limit
A
IQ
25
V
3
5.5
VIN
Operating Voltage
Quiescent Current
mA
640
1060
ILIMIT
Current Limit
150
125
A
2
Off-Supply Current
V
2.0
2.9
UVLO
Undervoltage Lockout
A
15
Off-Switch Leakage
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
RON
On-Resistance
m
Note 1: MAX1693/(MAX1693H)’s current limit is tested by forcing VOUT to 4.5V. The MAX1694’s current limit is tested by increasing
the output current until the switch is latched off.
Note 2: This specification applies to the MAX1693/(MAX1693H) only. The MAX1694 latches the switch off under a sustained
(>10ms) short-circuit condition.
Note 3: Specifications to -40°C are guaranteed by design, not production tested.
VIN = 3.7V to 5.5V
2.4
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