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MAX727 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX727 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 4 page ___________Product Selection Guide _______________General Description The MAX787/MAX788/MAX789 are monolithic, bipolar, pulse-width modulation (PWM), switch-mode, step-down DC-DC regulators. Each is rated at 5A. Very few external components are needed for standard operation because the power switch, oscillator, feedback, and control circuitry are all on-chip. Employing a classic buck topology, these regulators perform high-current step-down functions. The MAX787/MAX788/MAX789 have excellent dynamic and transient response characteristics, while featuring cycle-by-cycle current limiting to protect against overcurrent faults and short-circuit output faults. They also have a wide 8V to 40V input range. Each regulator is available in a 5-pin TO-220 package. These devices have a preset 100kHz oscillator frequency and a preset current limit of 6.5A. See the MAX724/ MAX726 data sheet for more applications information. _______________________Applications Distributed Power from High-Voltage Buses High-Current, High-Voltage Step-Down Multiple-Output Buck Converter 5V/3.3V/3V 5A Step-Down, PWM, Switch-Mode DC-DC Regulators ________________________________________________________________ Maxim Integrated Products 1 VIN VSW GND VC SENSE CASE IS CONNECTED TO GROUND. STANDARD PACKAGE HAS STAGGERED LEADS. CONTACT FACTORY FOR STRAIGHT LEADS. 5-PIN TO-220 FRONT VIEW MAX787 MAX788 MAX789 1 2 3 4 5 __________________Pin Configuration VIN VC VSW 220 µF GND 2.7k 0.01 µF OUTPUT 5V AT 5A SENSE 50 µH MBR745 470 µF INPUT 8V TO 40V MAX787 STEP-DOWN CONVERTER __________Typical Operating Circuit Call toll free 1-800-998-8800 for free samples or literature. 19-0182; Rev 3; 9/95 ___________________________Features o Input Range: Up to 40V o 5A On-Chip Power Switch o Fixed Outputs: 5V (MAX787) 3.3V (MAX788) 3V (MAX789) o 100kHz Switching Frequency o Excellent Dynamic Characteristics o Few External Components o 8.5mA Quiescent Current o TO-220 Package ______________Ordering Information PART VOUT (V) IOUT MAX (A) MAX724 Adjustable 5 MAX728 3.3 2 MAX726 Adjustable 2 MAX727 5 2 MAX787 5 5 MAX788 3.3 5 MAX789 3 5 MAX729 3 2 PART MAX787CCK MAX787ECK MAX788CCK MAX788ECK -40°C to +85°C 0°C to +70°C TEMP. RANGE PIN-PACKAGE 5 TO-220 5 TO-220 -40°C to +85°C 0°C to +70°C 5 TO-220 5 TO-220 MAX789CCK MAX789ECK -40°C to +85°C 0°C to +70°C 5 TO-220 5 TO-220 |
Similar Part No. - MAX727 |
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Similar Description - MAX727 |
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