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LM1117DTX-5.0/NOPB LM1117DTX-ADJ/NOPB LM1117IDTX-3.3NOPB LM1117IDTX-5.0/NOPB LM1117IDTX-ADJ/NOP Audio Power Amplifier IC
1 Features
Space-Saving SOT-223 and WSON Packages
Current Limiting and Thermal Protection
Output Current 800 mA
Line Regulation 0.2% (Maximum)
Load Regulation 0.4% (Maximum)
Temperature Range
– LM1117: 0°C to 125°C
– LM1117I: −40°C to 125°C
2 Applications
Post Regulator for Switching DC–DC Converter
High Efficiency Linear Regulators
Battery Chargers
Portable Instrumentation
Active SCSI Termination Regulator
3 Description
The LM1117 is a low dropout voltage regulator with a dropout of 1.2 V at 800 mA of load current.
The LM1117 is available in an adjustable version, which can set the output voltage from 1.25 to 13.8 V with only two external resistors. In addition, it is available in five fixed voltages, 1.8 V, 2.5 V, 3.3 V, and 5 V.
The LM1117 offers current limiting and thermal shutdown. Its circuit includes a Zener trimmed bandgap reference to assure output voltage accuracy to within ±1%.
A minimum of 10-μF tantalum capacitor is required at the output to improve the transient response and stability.
Device Information
PART NUMBER | PACKAGE | BODY SIZE (NOM) |
LM1117, LM1117I | SOT-223 (4) | 6.50 mm × 3.50 mm |
TO-220 (3) | 14.986 mm × 10.16 mm | |
TO-252 (3) | 6.58 mm × 6.10 mm | |
WSON (8) | 4.00 mm × 4.00 mm | |
TO-263 (3) | 10.18 mm × 8.41 mm |
