AMS1117-15 Advanced Monolithic Systems, AMS1117-15 Datasheet

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AMS1117-15

Manufacturer Part Number
AMS1117-15
Description
800mA LOW DROPOUT VOLTAGE REGULATOR
Manufacturer
Advanced Monolithic Systems
Datasheet
FEATURES
GENERAL DESCRIPTION
The
down to 1V input-to-output differential. The dropout voltage of the device is guaranteed maximum 1.3V at maximum output
current, decreasing at lower load currents.
conditions on both the regulator and power source circuitry.
The AMS1117 devices are pin compatible with other three-terminal SCSI regulators and are offered in the low profile surface
mount SOT-223 package and in the TO-252 (DPAK) plastic package.
ORDERING INFORMATION:
*For additional available fixed voltages contact factory.
PIN CONNECTIONS
FIXED VERSION
1- Ground
2- V
3- V
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
The AMS1117 series of adjustable and fixed voltage regulators are designed to provide 800mA output current and to operate
On-chip trimming adjusts the reference voltage to 1%. Current limit is also trimmed, minimizing the stress under overload
AMS1117CD
AMS1117CD-1.5
AMS1117CD-1.8
AMS1117CD-2.5
AMS1117CD-2.85
AMS1117CD-3.3
AMS1117CD-5.0
Three Terminal Adjustable or Fixed Voltages*
Output Current of 800mA
Operates Down to 1V Dropout
Line Regulation: 0.2% Max.
Load Regulation: 0.4% Max.
SOT-223 and TO-252 package available
Advanced
Monolithic
1.5V, 1.8V, 2.5V, 2.85V, 3.3V and 5.0V
Systems
OUT
IN
TO-252
PACKAGE TYPE
AMS1117
AMS1117-1.5
AMS1117-1.8
AMS1117-2.5
AMS1117-2.85
AMS1117-3.3
AMS1117-5.0
ADJUSTABLE VERSION
1- Adjust
2- V
3- V
OUT
IN
SOT-223
TEMPERATURE RANGE
OPERATING JUNCTION
0 to 125 C
0 to 125 C
0 to 125 C
0 to 125 C
0 to 125 C
0 to 125 C
0 to 125 C
800mA LOW DROPOUT VOLTAGE REGULATOR
APPLICATIONS
High Efficiency Linear Regulators
Post Regulators for Switching Supplies
5V to 3.3V Linear Regulator
Battery Chargers
Active SCSI Terminators
Power Management for Notebook
Battery Powered Instrumentation
OUTPUT
TAB IS
TO-252 FRONT VIEW
SOT-223 Top View
1
AMS1117
2
3
2
1
3

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AMS1117-15 Summary of contents

Page 1

... On-chip trimming adjusts the reference voltage to 1%. Current limit is also trimmed, minimizing the stress under overload conditions on both the regulator and power source circuitry. The AMS1117 devices are pin compatible with other three-terminal SCSI regulators and are offered in the low profile surface mount SOT-223 package and in the TO-252 (DPAK) plastic package. ...

Page 2

... AMS1117-2.5 AMS1117-2.85 AMS1117-3.3 AMS1117-5.0 Line Regulation AMS1117 AMS1117-1.5 AMS1117-1.8 AMS1117-2.5 AMS1117-2.85 AMS1117-3.3 AMS1117-5.0 Load Regulation AMS1117 (Notes 2, 3) AMS1117-1.5 AMS1117-1.8 AMS1117-2.5 Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140 (Note 1) Internally limited Soldering information ...

Page 3

... OUT Current Limit AMS1117-1.5/-1.8/-2.5/- 2.85/-3.3/-5.0 Minimum Load AMS1117 Current Quiescent Current AMS1117-1.5/-1.8/-2.5/- 2.85/-3.3/-5.0 Ripple Rejection AMS1117 AMS1117-1.5/-1.8/-2.5/- 2.85 AMS1117-3.3 AMS1117-5.0 Thermal Regulation AMS1117 Adjust Pin Current AMS1117 Adjust Pin Current AMS1117 Change Temperature Stability Long Term Stability RMS Output Noise (% OUT Thermal Resistance Junction-to-Case Parameters identified with boldface type apply over the full operating temperature range ...

Page 4

... Stability The circuit design used in the AMS1117 series requires the use of an output capacitor as part of the device frequency compensation. The addition solid tantalum on the output will ensure stability for all operating conditions. ...

Page 5

... Kelvin internally, and the ground pin can be used for negative side sensing. Thermal Considerations The AMS1117 series have internal power and thermal limiting circuitry designed to protect the device under overload conditions. However maximum junction temperature ratings of 125 not be exceeded under continuous normal load conditions. ...

Page 6

... Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140 125° 25° 100 125 50 75 100 125 150 AMS1117 Short-Circuit Current 1. 125° 25°C J 0.75 0.50 0. INPUT/OUTPUT DIFFERENTIAL Ripple Rejection vs. Current 100 ...

Page 7

... MAX 0.012 0.025-0.033 (0.31) (0.64-0.84) MIN 0.181 (4.60) NOM AMS1117 0.030-0.034 (0.762-0.863) 0.038-0.042 (0.965-1.066) 7.0° 0.235-0.245 (5.969-6.223) 0.038 0.038-0.042 (0.965) (0.965-1.066) TYP 0.024±0.002 (0.610±0.0508) ...

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