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LM2630 - Synchronous Step-Down Power Supply Controller

National Semiconductor

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Datasheet Details

Part number: LM2630
Manufacturer: National Semiconductor
File Size: 265.95 KB
Datasheet: LM2630_NationalSemiconductor.pdf
Description: Synchronous Step-Down Power Supply Controller

LM2630 Product details

Description

The LM2630 controller provides all the active functions for step-down (buck) switching converters..

Features

include the external synchronization pin, and the PGOOD pin to indicate the state of the output voltage. Protection circuitry includes thermal shutdown, undervoltage shut down, soft-start capability, and two levels of current limits: The first level simply limits the load current directly; at the second level, if the load pulls the output voltage down below 80% of the regulated value, the chip willshut down. This latched operation is disabled during startup, but an internal timer will enable it.

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Synchronous Step-Down Power Supply Controller National Semiconductor

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