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The APL1117 is a low dropout three-terminal adjustable regulators with 1A output current capability. In order to obtain lower dropout voltage and faster transient response, which is critical for low voltage applications , the APL1117 has been optimized. The device is available in an adjustable version and fixed output voltages of 1.8V, 2.5V, 2.85V and 3.3V. The output available voltage range of an adjustable version is from 1.25~10.7V with an input supply below 12V. Dropout voltage is guaranteed at a maximum of 1.3V at 1A. Current limit is trimmed to ensure specified output current and controlled short-circuit current. On-chip thermal limiting provides protection against any combination of overload that would create excessive junction temperatures. The APL1117 is available in the industry standard 3-pin TO-220, TO-252, TO- 263, and the low profile surface mount SOT-223 =power packages which can be used in pplications where space is limited.
APL1117 Maximum Ratings
Symbol
Parameter
Rating(Note)
Unit
VI
Input Voltage APL1117, APL1117-33 APL1117-18, APL1117-25, APL1117-28
15 9
V
TJ
Operating Junction Temperature Range Control Section Power Transistor
0 to 125 0 to 150
TSTG
Storage Temperature Range
-65 to +150
TL
Lead Temperature (Soldering, 10 second)
260
APL1117 Features
• Guaranteed Output Voltage Accuracy within 2% • Fast Transient Response • Guaranteed Dropout Voltage at Multiple Currents • Load Regulation : 0.1% Typ. • Line Regulation : 0.03% Typ. • Low Dropout Voltage : 1.1V Typ. at IOUT =1A • Current Limit : 1A Typ. at TJ=25°C • On-Chip Thermal Limiting : 150°C Typ. • Adjustable Output : 1.25~10.7V • Standard 3-pin TO-220, TO-252, TO-263 and SOT-223 Power Packages
APL1117 Typical Application
• Active SCSI Terminators • Low Voltage Logic Supplies • Battery-Powered Circuitry • Post Regulator for Switching Power Supply