S1117 Datasheet, PDF (1/5 Pages) List of Unclassifed Manufacturers – 1.0A Adjustable LDO Linear Regulator

PRELIMINARY
S1117
Features
◆ Adjustable and Fixed of 1.8V, 2.5V, 2.85V, 3.3V, 5V
◆ Space saving SMD types of SOT-223 and D-Pak(TO-252)
◆ 1.1V Drop-out Voltage
◆ 1.0A Output Current
◆ Current Limiting and Thermal protection
◆ Over Current Protection.
◆ Ouput trimmed to 2% Tolerance
◆ Fast Transient Response
LDO Linear Regulator
Symbol
General Description
The IP1117 is a series of low dropout voltage regulators which can pro-
vide up to 1A of output current. The IP1117 is available in four fixed
voltages, 2.5V, 2.85V, 3.3V and 5.0V. Additonally it is also available
in adjustable version. On chip precision trimming adjusts the refernce/
output voltage to within ± 2%. Current limit is also trimmed to ensure
specified output current and controlled short-circuit current.
The IP11117 series is available in SOT-223 and DPAK power packages.
A minimum of 10uF tantalum capacitor is required at the output to
improve the transient response and stability.
DPAK
SOT-223
Applications
◆ 2.85V Model for SCSI-2 Active Termination
◆ Post Regulator for Sitching DC/DC Converter
◆ High Efficiency Linear Regulator
◆ Battery Chargers
◆ PC Add on Card
Absolute Maximum Ratings
Parameter
Symbol
Input Voltage
Junction Temperature
Storage Temperature
V_IN(MAX)
T_J
T_STG
Value
18
-25°C ~ +125°C
-55°C ~ +150°C
Electrical Characteristics
( Vin = 5V, Co = 10uF, Ta = 25°C, unless otherwise specified)
Parameter
Symbol
Test Condition
Reference Voltage
Vref
S1117 Only
1.5V < (V_IN -V_OUT) < 7V, I_O = 10mA
S1117-1.8
10mA < I_OUT < 1A, 3.8V < V_IN < 10V
S1117-2.5
10mA < I_OUT < 1A, 4.0V < V_IN < 10V
Output Voltage
Vout
S1117-2.85
10mA < I_OUT < 1A, 4.25V < V_IN < 10V
S1117-3.3
10mA < I_OUT < 1A, 4.75V < V_IN < 10V
S1117-5.0
10mA < I_OUT< 1A, 6.5V < V_IN <12V
Sep 2002. Rev. 0
MIn.
1.225
1.764
2.450
2.793
3.234
4.900
Typ.
1.250
1.800
2.500
2.850
3.300
5.000
Units
V
°C
°C
Max.
1.275
Units
V
1.836
V
2.550
V
2.907
V
3.366
V
5.100
V
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