SC475A Synchronous Buck Controller

Semtech Corporation

Description

Synchronous Buck Controller with Dual-Level VOUT Transition Support POWER POWERMANAGEMENT MANAGEMENT .
The SC475A 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: SC475A
Manufacturer: Semtech Corporation
File Size: 647.37 KB
Datasheet: SC475A_SemtechCorporation.pdf
Description: Synchronous Buck Controller

Features

* needed to provide cost-effective control of system elements needing voltage slewing. An integrated switch provides two resistorprogrammable DC output voltages controlled by the G0 input. www. DataSheet4U. com SC475A Features VOUT Programmable 0.75V to 5.25V with Integrated Transition Support VBAT Ra

Applications

* Notebook/Sub-Notebook Graphics Voltage Controllers Tablet PCs Embedded Applications September 25, 2006 1 www. semtech. com SC475A POWER MANAGEMENT Typical Application Circuit VCC C4 D1 VBAT R4 C3 Q1 G0 www. DataSheet4U. com 16 15 14 G0 C2 L1 VOUT 1 2 C1 VCC Q2 3 4 DH ILIM NC 13 LX BST VCC

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SC475A Synchronous Buck Controller Semtech Corporation

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