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AAT4644 Datasheet, PDF (3/8 Pages) Advanced Analogic Technologies – 4-Channel Current Limited Load Switch
AAT4644
4-Channel Current Limited Load Switch
Absolute Maximum Ratings (TA=25°C unless otherwise noted)
Symbol
Description
Value
Units
VIN
VOUT
IOUT
TJ
VESD
TLEAD
IN to GND
OUT to GND
Output Current
Operating Junction Temperature Range
ESD Rating1—HBM
Maximum Soldering Temperature (at Leads)
-0.3 to 6
V
-0.3 to 6
V
Internally Limited
A
-40 to 85
°C
4000
V
300
°C
Note: Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at con-
ditions other than the operating conditions specified is not implied. Only one Absolute Maximum rating should be applied at any one time.
Note 1: Human body model is a 100pF capacitor discharged through a 1.5kΩ resistor into each pin.
Thermal Characteristics
Symbol
Description
ΘJA
Maximum Thermal Resistance
PD
Maximum Power Dissipation
Note 2: Mounted on a demo board.
Value
100
1.25
Units
°C/W
W
Electrical Characteristics (VIN = 5V, TA = -40 to 85°C unless otherwise noted. Typical values
are at TA=25°C; bold values designate full temperature range)
Symbol
VIN
IQ
VUVLO
VUVLO(hys)
RDS(ON)
ILIM
tRESP
TSD
Description
Operation Voltage
Quiescent Current
Undervoltage Lockout
Undervoltage Lockout Hysteresis
On-Resistance
Current Limit
Current Loop Response
Over-temperature threshold
Conditions
Min Typ Max Units
2.7
5.5
V
Vin = 5V, Iout = 0
20
40
µA
Rising edge
1.75
V
0.3
V
Vin=5.0V,TA = 25°C
100 125
mΩ
Each output OUT<IN -1V 0.6
1.0
1.5
A
Vin=5V
1
µs
125
°C
4644.2002.01.0.92
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