Document
Semiconductor
S1117APIC/S1117-xxPIC
Adjustable and Fixed LDO Voltage Regulator
Descriptions
The S1117A and S1117 series of positive adjustable and fixed regulators are designed to provide 1A with higher efficiency than currently available devices. All internal circuitry is designed to operate down to 1.3V input to output differential. On-Chip trimming adjusts reference Voltage to 2%
Features
• Output Current of 1A • 1.3V Maximum Dropout voltage at 1A Output Current • 100% Thermal Limit Burn-In • Fast Transient Response
Ordering Information
Type NO. S1117APIC/S1117xxPIC Marking S1117□□PI Package Code TO-220F-3SL
□□:Voltage Code (Aj : 1.25V, 15:1.5V,:18: 1.8V, 25:2.5V, 285:2.85V, 33:3.3V, 50:5.0V)
Outline Dimensions
Block Diagram
unit : mm
PIN Connections 1. GND/ADJ 2. Output 3. Input
KSI-2053-000
1
S1117APIC/S1117-xxPIC
Absolute Maximum Ratings
Characteristic
Operating Input voltage
Ta=25°C
Symbol
VIN
Ratings
Vout =1.25,1.5,1.8 Vout = 2.5 2.8 3.3 5.0
Unit
16 20 V
Power Dissipation (Tc=25°C) Power Dissipation (without Heatsink) Operating Junction Temperature Storage Temperature
PD PD TJ TSTG
20.8 2.0 -30 ~ 125 -55 ~ 150
W W °C °C
Device Selection Guide (NOTE1)
Device
S1117A S1117-1.5 S1117-1.8 S1117-2.5 S1117-2.85 S1117-3.3 S1117-5.0 Note 1 : Other Fixed Versions are available Vout=1.5V to 5V
Output Voltage
Adj 1.5V 1.8V 2.5V 2.85V 3.3V 5V
Electrical Characteristics
(Electrical Characteristics at TJ = 25℃ and ILoad=10mA unless otherwise specified.)
Characteristic
Symbol
Device
S1117A
Test Condition
VIN = (Vout+1.5V),IOUT = 10mA VIN = (Vout+1.5V) to 12V IOUT = 0 to 1000mA VIN = (Vout+1.5V),IOUT = 10mA VIN = (Vout+1.5V) to 12V IOUT = 0 to 1000mA VIN = (Vout+1.5V),IOUT = 10mA VIN = (Vout+1.5V) to 12V IOUT = 0 to 1000mA VIN = (Vout+1.5V),IOUT = 10mA VIN = (Vout+1.5V) to 12V IOUT = 0 to 1000mA VIN = (Vout+1.5V),IOUT = 10mA VIN = (Vout+1.5V) to 12V IOUT = 0 to 1000mA *
Min
1.238 1.225 1.47 * 1.44 1.764 * 1.728 2.45 * 2.4 2.793 * 2.736
Typ
1.25
Max
1.262 1.275 1.53
Unit
S1117-15
1.5
1.56 1.836
Output Voltage
VOUT
S1117-18
1.8
1.872 2.55
V
S1117-25
2.5
2.6 2.907
S1117-285
2.85
2.964
KSI-2053-000
2
S1117APIC/S1117-xxPIC
Electrical Characteristics
Characteristic Symbol
(Continued)
(Electrical Characteristics at TJ = 25℃ and ILOAD=10mA unless otherwise specified.)
Device
S1117-33
Test Condition
VIN = (Vout+1.5V),IOUT = 10mA VIN = (Vout+1.5V) to 12V IOUT = 0 to 1000mA VIN = (Vout+1.5V),IOUT = 10mA *
Min
3.234
Typ
3.3
Max
3.366 3.432 5.1
Unit
3.168 4.9
Output Voltage
VOUT S1117-50
V
VIN = (Vout+1.5V) to 12V IOUT = 0 to 1000mA (Vout+1.5V)≤ VIn≤12V IOUT=10mA (VIN - Vout)=2V, 10mA ≤IOUT≤1A VIN= 11.5V, IOUT=0mA VIN=(VOUT+1.5), VOUT=0V VIN = (Vout+1.5V) to 12V IOUT = 10mA IOUT =1000mA VIN-VOUT=1.5V, f=120Hz IOUT=1000mA, VRIPPLE=1VP-P f=10 to 10KHz (VIN-VOUT)=1.5V
* * * * * * *
4.8 -
5.0
5.2 30 30 10 7 90 1.3 mV mV mA mA uA V dB uV A
Line Regulation
Note1
Load Regulation
△VOUT △VOUT IQ ILMIN IADJ VD R.