FAN53611 datasheet(2/14 Pages) FAIRCHILD

Part #	FAN53611

Description	6 MHz 600 mA / 1 A Synchronous Buck Regulator

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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FAN53601 / FAN53611 • Rev. 1.0.1

2

Pin Configurations

Figure 2. Bumps Facing Down

Figure 3. Bumps Facing Up

Pin Definitions

Pin #

Name

Description

A1

MODE

MODE. Logic 1 on this pin forces the IC to stay in PWM Mode. A logic 0 allows the IC to

automatically switch to PFM during light loads. The regulator also synchronizes its switching

frequency to four times the frequency provided on this pin. Do not leave this pin floating.

B1

SW

Switching Node. Connect to output inductor.

C1

FB

Feedback / VOUT. Connect to output voltage.

C2

GND

Ground. Power and IC ground. All signals are referenced to this pin.

B2

EN

Enable. The device is in Shutdown Mode when voltage to this pin is < 0.4 V and enabled when

> 1.2 V. Do not leave this pin floating.

A2

VIN

Input Voltage. Connect to input power source.

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