SC412A Synchronous Buck Controller

Semtech Corporation

Description

SC412A Synchronous Buck Controller POWER MANAGEMENT .
The SC412A is a versatile, constant on-time synchronous buck, pseudo ﬁxed-frequency, PWM controller intended for notebook computers and other battery.

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Datasheet Specifications

Part number: SC412A
Manufacturer: Semtech Corporation
File Size: 685.94 KB
Datasheet: SC412A_SemtechCorporation.pdf
Description: Synchronous Buck Controller

Features

* needed to provide cost-effective control of switch-mode power outputs. The output voltage is programmable from 0.75 to 5.25 external resistors. Switching frequency is internally preset to 325kHz. Additional features cycleby-cycle current limit, voltage soft-start, under-voltage protection, programma

Applications

* Notebook and Sub-Notebook Voltage Controllers Tablet PCs Embedded Applications Typical Application Circuit VCC C1 D1 VBAT CIN Q1 16 15 14 13 VCC RLIM R1 DH L1 VOUT 1 2 ILIM NC NC C2 LX BST VCC DL PAD EN 12 11 10 9 EN PGOOD VOUT FB U1 PGOOD VOUT FB COUT Q2 VCC 3 4 SC412A GND

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Synchronous Buck Controller Semtech Corporation

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