FAN8060 データシートの表示（PDF） - ON Semiconductor

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FAN8060

1.2 MHz, 1 A Synchronous Step-Down DC/DC Regulator

ON Semiconductor 

November 2013

FAN8060

1.2 MHz, 1 A Synchronous Step-Down DC/DC

Regulator

Features

 Current Mode Control

 Over 96% Efficient

 Selectable Continuous Output Current: 500 mA/1 A

 2.5 V to 5.5 V Input Voltage Range

 Output Voltage as Low as 1.2 V

 1.2 MHz Operating Frequency

 Less than 1 µA Shutdown Current

 External Synchronization from 500 kHz to 2 MHz

 100% Duty Cycle

 Synchronous Switching FET; no Schottky Diode

Required

 Stable with Ceramic Capacitors

 Light Load Mode with Pulse Skipping

 External Compensation

 External Soft-Start

 Overload / Short-Circuit Protection

 Under-Voltage Lockout

 Thermal Shutdown

 10-Lead 3x3 mm Green MLP Package

Applications

 PDAs

 GPS Devices

 MP3 Players

 Mini PCI

 Digital Cameras

 Peripheral Ports

 DSP Core

 USB Devices

 PCMCIA

 Cable Modem

 Data Cards

Description

The FAN8060 is a highly efficient, monolithic, current-

mode, step-down synchronous regulator. It can provide

1 A continuous current from 2.5 V to 5.5 V input

voltage. The output voltage can be adjusted from 1.2 V

up to the input voltage with an external voltage divider.

External compensation and soft-start allow for design

optimization and flexibility. High-frequency operation

allows for all-ceramic solutions and small footprints. In

addition, a user-selectable current limit provides

protection against output overload and short circuit.

FAN8060 features pulse skipping to achieve higher

efficiency during light load operation. 100% duty cycle

capability enables power solutions to extend the drop

out voltage.

Provision for external synchronization allows users to

minimize input capacitors and manage EMI in solutions.

FAN8060 is available in a green, low profile, 10-Lead

3x3 mm MLP package.

HI

LO

EN

PVIN

SYNC

AVIN

SS

FAN8060 SW

CSS

CA

COMP

RC

AGND

CC

FB

PGND

INPUT

2.5 to 5.5V

OUTPUT

LOUT

1.2V to 5.5V

R2

CIN

COUT

R3

Figure 1. Typical Application Circuit

Ordering Information

Part Number

FAN8060EMPX

Operating

Temperature Range

-40 to +85°C

Package

10-Pin, 3x3 mm Molded Leadless

Package (MLP)

Packing Method

Tape & Reel

For Fairchild’s definition of “green” Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.

© 2013 Fairchild Semiconductor Corporation

FAN8060 • Rev. 1.0.1

www.fairchildsemi.com

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