MAX1627 Step-Down DC-DC Controllers

Maxim

Description

19-1075; Rev 0; 6/96 NUAL KIT MA ATION SHEET A EVALU T A D WS FOLLO 5V/3.3V or Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Control.
The MAX1626/MAX1627 step-down DC-DC switching controllers provide high efficiency over loads ranging from 1mA to more than 2A.

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Datasheet Specifications

Part number: MAX1627
Manufacturer: Maxim
File Size: 303.96 KB
Datasheet: MAX1627_MaximIntegratedProducts.pdf
Description: Step-Down DC-DC Controllers

Features

* o Low Dropout Voltage o 100% Maximum Duty Cycle o Soft-Start Limits Start-Up Current o Efficiency >90% (3mA to 2A Loads) o Output Power >12.5W o 90µA Max Quiescent Current o 1µA Max Shutdown Current o Up to 300kHz Switching Frequency o 16.5V Max Input Voltage o Output Voltage: 5V/3.3V (MAX1626) Adju

Applications

* to 12W or higher. Soft-start reduces current surges during start-up. A high switching frequency (up to 300kHz) and operation in continuous-conduction mode allow the use of tiny surface-mount inductors. Output capacitor requirements are also reduced, minimizing PC board area and system costs. The out

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MAX1627 Step-Down DC-DC Controllers Maxim

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