ML4870 High Current Boost Regulator with Load Disconnect

Micro Linear

Description

July 2000 PRELIMINARY ML4870 * High Current Boost Regulator with Load Disconnect GENERAL .
The ML4870 is a continuous conduction boost regulator designed for DC to DC conversion in multiple cell battery power systems.

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Datasheet Specifications

Part number: ML4870
Manufacturer: Micro Linear
File Size: 211.36 KB
Datasheet: ML4870_MicroLinearCorporation.pdf
Description: High Current Boost Regulator with Load Disconnect

Features

* s Guaranteed full load start-up and operation at 1.8V input Continuous conduction mode for high output current Pulse Frequency Modulation and internal synchronous rectification for high efficiency Isolates the load from the input during shutdown Minimum external components Low ON resistance interna

Applications

* that have high transient load currents should be evaluated under worst case conditions to determine suitability. INDUCTOR SELECTION The ML4870 is able to operate over a wide range of inductor values. A value of 10µH is a good choice, but any value between 5µH and 33µH is acceptable. As the inductor

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ML4870 High Current Boost Regulator with Load Disconnect Micro Linear

Micro Linear ML4870-like datasheet