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APW1172KAI-TUL Datasheet(PDF) 5 Page - Anpec Electronics Coropration |
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APW1172KAI-TUL Datasheet(HTML) 5 Page - Anpec Electronics Coropration |
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5 / 21 page  Copyright © ANPEC Electronics Corp. Rev. A.4 - Aug., 2005 APW1172 www.anpec.com.tw 5 APW1172 Symbol Parameter Test condition Min Typ Max Unit Reference Section IREF = 0mA 3.234 3.3 3.366 V VREF VREF Output Voltage IREF = 0mA to 5mA, VCC = 4.4A to 22V * 3.2 3.3 3.399 V Line Regulation IREF = 0mA, VCC = 4.4A to 22V 5 10 mV Load Regulation IREF = 0mA to 5mA 8 15 mV Short Circuit Current 10 18 30 mA Other Thermal Limiting Protection 160 °C Hysteresis 30 °C Over-Voltage Protection Threshold Voltage VCOMP = 0.8V * 120 125 130 % Electrical Characteristics (Cont.) Typical Application Circuit L 22uH D1 1N5819 VIN 4.8V to 22V CIN 22uF VOUT = 3.3V RF1 5.6K RF2 3.3K COUT 100uF VREF = 3.3V RC1 4.3K CC1 2.2nF CC2 220pF APW1172 OUT 1 2 3 4 7 8 6 5 SYNC INH COMP GND VCC FB VREF D2 1N4148 C1 1uF R1 137K Soft Start Circuit The * denotes the specifications that apply over TA = -40 ~ 85oC. Typical values are at TA = 25oC. VCC = 12V unless otherwise specified. |
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