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AIC1594A-50CM Datasheet(PDF) 1 Page - Analog Intergrations Corporation |
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AIC1594A-50CM Datasheet(HTML) 1 Page - Analog Intergrations Corporation |
1 / 6 page ADVANCED INFORMATION AIC1594 1A STEP-DOWN PWM REGULATOR SPEC NO: DS-1594-P1 03/23/00 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 " Operating Input Voltage From 4.5V to 36V " 2.5V, 3.3V, 5V , 12V and Adjustable Output Ver- sion " Adjustable Version Output Voltage Range , 1.25V to 30V ± 4% max Over Line and Load Regulation " Available in TO220-5 and TO263-5 Package " Requires Only 4 External Components. " 150KHz/300KHz Fixed Constant Frequency " Low Power Standby Mode, IQ Typically 80 µA " TTL Shutdown Capability. " Output Overvoltage Protection " Current Limit and Thermal Shutdown Protection. " 1A Guaranteed Output Current ! APPLICATIONS " Simple High Efficiency Step-down regulator " On-Card Switching regulators ! DESCRIPTION The AIC1594 series are step-down monolithic PWM regulators delivering 1A at fixed voltages of 2.5V , 3.3V, 5.0V , 12V and using a external di- vider to adjust output voltage from 1.25V to 30V with excellent line and load regulation. Switching frequency up to 150KHz/300KHz are achievable thus allowing smaller sized filter com- ponents. Internal current limit and thermal shut- down circuits provide protection from overloads. It also provides output overvoltage and short pro- tection under fault conditions. The internal precious reference combined with voltage feedback loop provides optimum output voltage accuracy and fast load transient response. Packages available are in standard SOT89-5 and DIP8 for standard assembly and TO263-5, SOP8 for SMD. ! TYPICAL APPLICATION CIRCUIT L1 R1 R2 + C3 + C1 C2 D1 VOUT VIN IN 1 SHDN OUT 2 FB 4 3 GND AIC1594 R1 short and R2 open for fixed switching output version 1A Precision PWM DC/DC Regulator |
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