SC471 Synchronous Buck Controller

Semtech Corporation

Description

Synchronous Buck Controller with Multi-Level VOUT Transition Support POWER POWERMANAGEMENT MANAGEMENT .
The SC471/A 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: SC471
Manufacturer: Semtech Corporation
File Size: 673.38 KB
Datasheet: SC471_SemtechCorporation.pdf
Description: Synchronous Buck Controller

Features

* needed to provide cost-effective control of system elements needing voltage slewing. Two integrated switches provide four resistor-programmable DC output voltages, controlled by the G0 and G1 inputs. The output voltage is adjustable from 0.75V to 5V. Additional features for each output include cycle

Applications

* Notebook/Sub-Notebook Graphics Voltage Controllers Tablet PCs Embedded Applications September 12, 2006 1 www. semtech. com SC471/SC471A POWER MANAGEMENT Typical Application Circuit VCC C4 D1 VBAT C3 Q1 R5 G1 G0 16 15 14 G0 C2 L1 VOUT 1 2 C1 VCC Q2 3 4 DH G1 ILIM 13 www. DataSheet4U. com LX

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SC471 Synchronous Buck Controller Semtech Corporation

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