SC1566 查看數據表（PDF） - Semtech Corporation
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SC1566 Datasheet PDF : 12 Pages
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SC1566
POWER MANAGEMENT
Absolute Maximum Ratings
Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters
specified in the Electrical Characteristics section is not implied.
Parameter
Symbol
Max
Units
Input Voltage
Power Dissipation
Thermal Resistance Junction to Ambient
TO-263-X
TO-220-X
VIN
7
V
PD
Internally Limited
W
θJA
60
°C/W
50
Thermal Resistance Junction to Case
TO-263-X
TO-220-X
θJC
3
°C/W
3
Operating Ambient Temperature Range
Operating Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering) 10 Sec.
ESD Rating (Human Body Model)
TA
TJ
TSTG
TLEAD
VESD
-40 to +85
°C
-40 to +150
°C
-65 to +150
°C
300
°C
2
kV
Electrical Characteristics
Unless specified: VEN = VIN. Adjustable Option (VADJ > VTH(ADJ)): VIN = 2.2V to 5.5V and IO = 10µA to 3A.
Fixed Options (VADJ = GND): VIN = (VO + 0.7V) to 5.5V and IO = 0A to 3A. Values in bold apply over the full operating temperature range.
Parameter
Symbol
Test Conditions
Min Typ Max
Units
VIN
Supply Voltage Range
VIN
Quiescent Current
IQ
VO
VIN = 3.3V
VIN = 5.5V, VEN = 0V
2.2
5.5
V
0.75 1.75 mA
10
35
µA
Output Voltage(1)
(Internal Fixed Voltage)
Line Regulation(1)
Load Regulation(1)
Dropout Voltage(1)(2)
VO
REG(LINE)
REG(LOAD)
VD
VIN = VO + 0.7V, IO = 10mA
VIN = (VO + 0.25V) to 5.5V, IOUT = 10mA
VIN = VO + 0.7V
IO = 10mA
-1%
VO
+1% V
-2%
+2%
0.035 0.3
%
0.2
0.4
%
1
5
mV
10
IO = 500mA
75
100 mV
150
2005 Semtech Corp.
2
www.semtech.com
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