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APL111750VC-TRL Datasheet(PDF) 1 Page - Anpec Electronics Coropration |
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APL111750VC-TRL Datasheet(HTML) 1 Page - Anpec Electronics Coropration |
1 / 19 page Copyright © ANPEC Electronics Corp. Rev. C.10 - Sep., 2010 APL1117 www.anpec.com.tw 1 ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant information to verify before placing orders. 1A Low Dropout Fast Response Positive Adjustable Regulator and Fixed 1.2V,1.8V, 2.5V, 2.85V, 3.3V and 5V General Description 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 1.2V, 1.8V, 2.5V, 2.85V, 3.3V, and 5V. The output available volt- age range of an adjustable version is from 1.25 to 10.7V with an input supply below 12V. Dropout voltage is guar- anteed 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- 3, TO-263-3, and the low profile surface mount SOT-223 power packages which can be used in applications where space is limited. • 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 I OUT =1A • Current-Limit : 1A Typ. at T J=25°C • On-Chip Thermal Limiting : 150°C Typ. • Adjustable Output : 1.25~10.7V • Standard 3-pin TO-220, TO-252-3, TO-263-3 and SOT-223 Power Packages • Lead Free and Green Devices Available (RoHS Compliant) Features Applications • Active SCSI Terminators • Low Voltage Logic Supplies • Post Regulator for Switching Power Supply Simplified Application Circuits * C1 improves ripple rejection. X C should be approximately equal to R1 at ripple frequency * Needed if device is far from filter capacitors 1.25V to 10.7V Adjustable Regulator Improving Ripple Rejection V IN 10 µF 121 Ω 365 Ω 1% 1% V OUT 150 µF 10 µF C1 R1 R2 + + APL1117 OUT ADJ IN 5V Regulator with Shutdown VOUT = 1.250V X R1 + R2 R1 V IN 10 µ F C 1* + R1 R2 1k APL1117 OUT IN ADJ + 100 µ F C 2 121 Ω V OUT1 |
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