SC1532 查看數據表（PDF） - Semtech Corporation
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SC1532 Datasheet PDF : 9 Pages
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400mA SmartLDOTM with Internal Pass
MOSFET
SC1532
January 3, 2000
ABSOLUTE MAXIMUM RATINGS
Parameter
Input Supply Voltages
Charge Pump Capacitor Pin Voltage
Output Current
Operating Ambient Temperature Range
Operating Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering) 10 Sec
Thermal Impedance Junction to Ambient(1)
ESD Rating (Human Body Model)
Symbol
VIN1, VIN2
CP
IO
TA
TJ
TSTG
TLEAD
θJA
ESD
NOTE:
(1) 1 inch square of 1/16” FR-4, double sided, 1 oz. minimum copper weight.
Maximum
-0.5 to +7
-0.5 to +16
400
-5 to +70
-5 to +125
-65 to +150
300
65
4
Units
V
V
mA
°C
°C
°C
°C
°C/W
kV
ELECTRICAL CHARACTERISTICS
Unless specified, TA = 25°C, VIN1 = 5V, VIN2 = 3.3V, IO = 400mA, CIN1 = 4.7uF, CIN2 = 4.7uF, CO = 4.7uF, Cp=1nF.
Values in bold apply over full operating temperature range.
Parameter
Symbol
Test Conditions
MIN TYP MAX Units
VIN1
Supply Voltage
VIN1
VIN2 = 0V
4.3 5.0 5.5 V
Quiescent Current
IQ1
Reverse Leakage From VIN2(1) IVIN1
VIN2
VIN1 = 5V, 0V ≤ VIN2 ≤ 3.6V, IO = 0mA
VIN1 = 0V, VIN2 = 3.6V, IO = 0mA
2.0 3.0 mA
4.0
0 1 µA
Supply Voltage
VIN2
3.0 3.3 3.6 V
Quiescent Current
IQ2
VIN2 = 3.3V, 0V ≤ VIN1 ≤ 5.5V, IO = 0mA
650 1300 µA
Reverse Leakage From VIN1(1) IVIN2
5V Detect(1)(2)
VIN1 = 5.5V, VIN2 = 0V, IO = 0mA
2000
0 1 µA
Low Threshold Voltage
Hysteresis
High Threshold Voltage
VTH(LO)
VHYST
VTH(HI)
VIN1 Falling, IO = 20mA
IO = 20mA
VIN1 Rising, IO = 20mA
3.90 4.10
V
60 80 150 mV
4.18 4.30 V
© 2000 SEMTECH CORP.
2
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