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MAX612CPA Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX612CPA Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 12 page _______________General Description The MAX610/MAX611/MAX612 AC-to-DC power convert- ers reduce the component count, size, and weight of 1/4 watt power supplies, thus minimizing the overall cost and simplifying designs. With an 8VRMS input voltage, the MAX610 needs only a single filter capacitor to make a complete 5V, 50mA power supply. With the addition of a current-limiting resistor and a current-limiting capacitor, the MAX610 connects directly to the 110VAC or 220VAC power line to make a minimum component count 110/220VAC to 5VDC power supply. The devices in the MAX610 family differ in three respects: full- or half-wave rectification, 12V or 18V zener voltage, and the assignment of pin 4 to the function of setting the output voltage or setting the time delay. The MAX610 has a full-wave rectifier, a 12V zener, and the output voltage is either the internally preset +5V or user adjustable from +1.3V to +9V. The MAX611 has a half-wave rectifier, a 12V zener, a fixed +5V output, and pin 4 controls the time delay of the reset output. The MAX612 has a full-wave rectifier, an 18V zener, and the output voltage is either the internally preset +5V or user adjustable from +1.3V to +15V The low-cost MAX610 family is ideal for applications where the size, weight, and component count of 1/4 watt power supplies must be reduced. Reliable power-up reset and over/undervoltage detection make these devices well suited for microprocessor-based controllers. ________________________Applications Minimum-Component-Count Power Supplies Uninterruptible 5V Power Supplies Precision Battery Chargers Line-Powered Appliances Industrial Controls Off-Line Instruments Triac Output Power Controllers ____________________________Features o Direct 110/220VAC to 5VDC Conversion o Minimum External Component Count o Output Voltage Preset to 5V ±4% o 70µA Typical Quiescent Current o Over/Undervoltage Detection o Power-Up Reset Circuit with Programmable Delay o Programmable Current Limiting o Programmable Output Voltage: 1.3V to 15V ______________Ordering Information AC-to-DC Regulator (110/220VAC to 5.0VDC) ________________________________________________________________ Maxim Integrated Products 1 1 2 3 4 8 7 6 5 V+ AC1 VOUT VSENSE VSET OUV V- AC2 MAX610 MAX612 DIP/SO 1 2 3 4 8 7 6 5 V+ AC1 VOUT VSENSE RD OUV V- N.C. MAX611 DIP/SO TOP VIEW _________________Pin Configurations MAX610 VOUT AC1 +5V DC OUTPUT 110/220VAC INPUT TO µP RESET +12V DC OUTPUT AC2 V- V+ VSET VSENSE OUV __________Typical Operating Circuit 19-0914; Rev 1; 12/94 PART MAX610CPA MAX610CSA 0°C to +70°C 0°C to +70°C TEMP. RANGE PIN-PACKAGE 8 Plastic DIP 8 SO MAX611CPA MAX611CSA 0°C to +70°C 0°C to +70°C 8 Plastic DIP 8 SO MAX612CPA MAX612CSA 0°C to +70°C 0°C to +70°C 8 Plastic DIP 8 SO For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800 |
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