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AIC1741CS Datasheet(PDF) 1 Page - Analog Intergrations Corporation |
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AIC1741CS Datasheet(HTML) 1 Page - Analog Intergrations Corporation |
1 / 6 page AIC1741 LOW DROPOUT ADJUSTABLE REGULATOR SPEC NO: DS-1741-00 ANALOG INTEGRATIONS CORPORATION www.analog.com.tw 4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C. TEL: (8863)577-2500 FAX:(8863)577-2510 1 FEATURES 1% Accuracy 1.235V Voltage Reference. Fast Transient Response. Low Ground Current at 55 µA. Wide Output Current Range, 10 µA~80mA. Output Programmable from 1.235V~11V. Low Temperature Coefficiency. Error Flag Warns of Output Dropout. APPLICATIONS Voltage Regulator for Pentium ® CPUs. Wireless Communication System. 5V to 3.3V Regulator for VGA Cards. Battery Powered Systems. DESCRIPTION The AIC1741 is a low power precision adjustable regulator with 80mA output capability. The device can be used as a secondary regular to provide feedback in a switching power supply. The AIC1741 circuitry includes an internal wide band amplifier, a precision bandgap reference, and a PMOS output transistor. The feedback input can be connected to an external resistor divider to program the sensed output voltage. The VOUT pin provides loop frequency compensation when used as a part of a larger servo system. Although the device works as a stand-alone regulator, it can also drive an NPN power transistor to construct a high current low dropout regulator, with only very minor current loss to ground. TYPICAL APPLICATION CIRCUIT C2 33 µF + C1 10 µF + C3 R1 390 R2 1.2K R3 2K Q1 TIP31C NC NC 6 5 4 2 3 AIC1741 8 7 1 FB FLAG GND NC VIN VOUT VIN 5V VOUT 3.3V/3 A 10 µF + 5V to 3.3V Regulator for VGA Cards. ORDERING INFORMATION AIC1741 XX ORDER NUMBER AIC1741CN (PLASTIC DIP) AIC1741CS (PLASTIC SO) PIN CONFIGURATION TOP VIEW FLAG 1 3 4 2 8 6 5 7 VIN NC GND NC FB NC VOUT PACKAGE TYPE N: PLASTIC DIP S: SMALL OUTLINE TEMPERATURE RANGE C: 0 °C~+70°C Pentium ® is a registered trademark of Intel Corporation |
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