Product Summary

The MAX787CCK is a monolithic, bipolar, pulse-width modulation (PWM), switch-mode, step-down DC-DC regulator. 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 applications of the MAX787CCK include Distributed Power from High-Voltage Buses, High-Current, High-Voltage Step-Down and Multiple-Output Buck Converter.

Parametrics

MAX787CCK absolute maximum ratings: (1)Input Voltage: 45V; (2)Switch Voltage with Respect to Input Voltage: 50V; (3)Switch Voltage with Respect to GND Pin (VSW negative): 35V; (4)SENSE Pin Voltage: -0.3V, +10V; (5)Operating Temperature Ranges: 0 to +70℃; (6)Junction Temperature Ranges: 0 to +125℃; (7)Storage Temperature Range: -65 to +160℃; (8)Lead Temperature (soldering, 10sec): +300℃.

Features

MAX787CCK features: (1)Input Range: Up to 40V; (2)5A On-Chip Power Switch; (3)Fixed Outputs: 5V; (4)100kHz Switching Frequency; (5)Excellent Dynamic Characteristics; (6)Few External Components; (7)8.5mA Quiescent Current; (8)TO-220 Package.

Diagrams

MAX787CCK operating circuit

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