SC1543 查看數據表（PDF） - Semtech Corporation
零件编号
产品描述 (功能)
生产厂家
SC1543 Datasheet PDF : 5 Pages
| |||
400mA/200mA Dual 3.3V Smart
Power Switch
PRELIMINARY - October 9, 2000
ABSOLUTE MAXIMUM RATINGS
Parameter
Input Supply Voltage
Output Current From:
VIN1
VIN2
Operating Ambient Temperature Range
Operating Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering, 10 Sec.)
Thermal Impedance Junction to Ambient
Symbol
VIN1,2
IO
TA
TJ
TSTG
TLEAD
θJA
Maximum
-0.5 to +6
400
200
-40 to +85
-40 to +125
-65 to +150
300
206
SC1543
Units
V
mA
°C
°C
°C
°C
°C/W
ELECTRICAL CHARACTERISTICS(1)
Unless specified, TA = 25°C, SHDN = 0V, CO = 10µF, IO = 400mA (when power is being supplied from VIN1, 200mA when power is being sup-
plied from VIN2). Values in bold apply over full operating temperature range.
Parameter
Symbol
Conditions
Min Typ Max Units
VIN1
Supply Voltage
VIN1
3.0 3.3 3.6 V
Quiescent Current
IQ1
VIN1 > VIN2, IO = 0mA
VIN1 < VIN2
150 300 µA
15 50
Reverse Leakage From VIN2(2)
IVIN1
VIN2
VIN1 = SHDN = 3.3V
VIN1 = 0V, VIN2 = 3.6V, IO = 0mA
1 10
0.25 1.00 µA
Supply Voltage
VIN2
3.0 3.3 3.6 V
Quiescent Current
IQ2
VIN2 > VIN1, IO = 0mA
VIN2 < VIN1
150 300 µA
1 10
Reverse Leakage From VIN1(2)
IVIN2
VIN1 Threshold Voltage
VIN2 = SHDN = 3.3V
VIN1 = 3.6V, VIN2 = 0V, IO = 0mA
1 10
0.25 1.00 µA
Threshold Voltage
Hysteresis
Power Switches
VIN1
Pass
Device
R (2)
DS(ON)
VIN2
Pass
Device
R (2)
DS(ON)
VTH
VHYST
RDS(ON)1
RDS(ON)2
VIN1 = 3.3V, VIN2 = 0V
VIN1 = 0V, VIN2 = 3.3V
2.80 2.90 3.00 V
130
mV
100 250 mΩ
150 400 mΩ
© 2000 SEMTECH CORP.
2
652 MITCHELL ROAD NEWBURY PARK CA 91320
Share Link: 