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PDF SA1117 Data sheet ( Hoja de datos )

Número de pieza SA1117
Descripción 1A LDO VOLTAGE REGULATOR
Fabricantes Silan Microelectronics 
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No Preview Available ! SA1117 Hoja de datos, Descripción, Manual

SA1117
1A LDO VOLTAGE REGULATOR
DESCRIPTION
The SA1117 is a positive low voltage dropout regulator, voltage
dropout is only 1.2V at 1A.
SA1117 has two versions: the fixed version and the adjustable
version. VOUT has a tolerance of less than 1% for fixed versions
1.5V, 1.8V, 2.5V, 3.3V, 5.0V and adjustable version or 2% output
accuracy for fixed version 1.2V.
The SA1117 integrates overheating protection and current limit
circuits. It is an suitable for all electronic products.
FEATURES
* 1% accuracy for fixed output VOUT while the voltage is 1.5V,
1.8V, 2.5V, 3.3V, 5.0V and the adjustable output VOUT
* 2% output accuracy for fixed version 1.2V
* Low Dropout Voltage: 1.2V at 1A output current
* Current Limiting
* Thermal Shutdown
* Temperature Range: -40°C to 125°C
APPLICATIONS
* Laptop, Palmtop, and Notebook
Computers
* Battery Charger
* SCSI-|| Active Terminator
* Cellular Phone
* Cordless Telephones
* Battery Powered Systems
* Portable Devices
* SMPS Post-Regulator
www.DataShOeeRt4DUE.cRomING INFORMATION (Temperature range: -40°C ~125°C)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http:// www.silan.com.cn
REV:1.3 2009.07.22
Page 1 of 13

1 page




SA1117 pdf
SA1117
ABOSOLUTE MAXIMUM RATINGS
Characteristics
Symbol
Ratings
Unit
Input Supply Voltage
VIN 20
V
Lead Temperature (Soldering, 5 seconds) TLead
260
°C
Operating Junction Temperature Range
TJ
150
°C
Storage Temperature Range
TSTG
-65 ~ +150
°C
Power Dissipation
PD
Internally Limited (Note1)
mW
ESD Tolerance (Minimum)
ESD
2000
V
Note1: The maximum allowable power dissipation is a function of maximum operating junction temperature TJ
(max), the junction to ambient thermal resistance θJA, and the ambient temperature Tamb. The maximum
allowable power dissipation at any ambient temperature is given: PD (max) = (TJ (max) - Tamb)/θJA, exceeding the
maximum allowable power limit will result in excessive die temperature; thus, the regulator will go into thermal
shutdown. The junction to ambient thermal resistance θJA of different packages may be different, and the he
value of θJA depends on mounting technique.
RECOMMENDED OPERATING CONDITIONS
Characteristics
Input Voltage
Operating Junction Temperature Range
Symbol
VIN
TJ
Ratings
15
-40 ~ +125
Unit
V
°C
ELECTRICAL CHARACTERISTICS (Tamb=25°C, unless otherwise specified. Limits appearing in Boldface
type apply over the entire junction temperature range for operation, -40°C to 125°C. )
Characteristics
Reference Voltage
www.DataSheet4U.com
Output Voltage
Symbol
Conditions
Min.
SA1117-ADJ,
VREF
IOUT=10mA, VIN-VOUT=2V, TJ=25°C 1.238
10mAIOUT1A, 1.4VVIN-VOUT10V 1.225
SA1117-1.2,
IOUT=10mΑ, VIN=3.2V ,TJ=25°C
10mAIOUT1A, 3.0VVIN10V
1.176
1.152
SA1117-1.5,
IOUT=10mΑ, VIN=3.5V ,TJ=25°C
10mAIOUT1A, 3.0VVIN10V
1.485
1.470
SA1117-1.8,
VOUT IOUT=10mA, VIN=3.8V, TJ=25°C ,
0≤IOUT1A, 3.2VVIN10V
1.782
1.764
SA1117-2.5,
IOUT=10mA, VIN=4.5V,TJ=25°C ,
0≤IOUT1A, 3.9VVIN 10V
2.475
2.450
SA1117-3.3,
IOUT=10mA, VIN=5V,TJ=25°C ,
0≤IOUT1A, 4.75VVIN10V
3.267
3.235
Typ.
1.250
1.250
1.2
1.2
1.500
1.500
1.800
1.800
2.500
2.500
3.300
3.300
Max.
1.262
1.270
1.224
1.248
1.515
1.530
1.818
1.836
2.525
2.550
3.333
3.365
Unit
V
V
V
V
V
V
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http:// www.silan.com.cn
REV:1.3 2009.07.22
Page 5 of 13

5 Page





SA1117 arduino
PACKAGE OUTLINE
TO-220-3L
SA1117
Unit: mm
TO-263-3L
www.DataSheet4U.com
Unit: mm
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http:// www.silan.com.cn
REV:1.3 2009.07.22
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