FAN53611AUC11X datasheet(1/14 Pages) FAIRCHILD

부품명	FAN53611AUC11X

상세설명	6 MHz 600 mA / 1 A Synchronous Buck Regulator

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제조업체	FAIRCHILD [Fairchild Semiconductor]

홈페이지	http://www.fairchildsemi.com

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October 2012

www.fairchildsemi.com

FAN53601 / FAN53611 • Rev. 1.0.1

FAN53601 / FAN53611

6 MHz 600 mA / 1 A Synchronous Buck Regulator

Features

 600 mA or 1 A Output Current Capability

 24 µA Typical Quiescent Current

 6 MHz Fixed-Frequency Operation

 Best-in-Class Load Transient Response

 Best-in-Class Efficiency

 2.3 V to 5.5 V Input Voltage Range

 0.8 V to 2 V Fixed Output Voltage

 Low Ripple Light-Load PFM Mode

 Forced PWM and External Clock Synchronization

 Internal Soft-Start

 Input Under-Voltage Lockout (UVLO)

 Thermal Shutdown and Overload Protection

 Optional Output Discharge

 6-Bump WLCSP, 0.4 mm Pitch

Applications

 6-Bump WLCSP, 0.4mm Pitch

 3G, 4G, WiFi®, WiMAX™, and WiBro® Data Cards

 Tablets

 DSC, DVC

 Netbooks®, Ultra-Mobile PCs

All trademarks are the property of their respective owners.

Description

The FAN53601/11 is a 6 MHz, step-down switching voltage

regulator, available in 600 mA or 1 A options, that delivers a

fixed output from an input voltage supply of 2.3 V to 5.5 V.

Using

a

proprietary

architecture

with

synchronous

rectification, the FAN53601/11 is capable of delivering a

peak efficiency of 92%, while maintaining efficiency over

80% at load currents as low as 1 mA.

The regulator operates at a nominal fixed frequency of

6 MHz, which reduces the value of the external components

to as low as 470 nH for the output inductor and 4.7 µF for the

output capacitor. In addition, the Pulse Width Modulation

(PWM) modulator can be synchronized to an external

frequency source.

At moderate and light loads, Pulse Frequency Modulation

(PFM) is used to operate the device in Power-Save Mode

with a typical quiescent current of 24 µA. Even with such a

low quiescent current, the part exhibits excellent transient

response during large load swings. At higher loads, the

system automatically switches to fixed-frequency control,

operating at 6 MHz. In Shutdown Mode, the supply current

drops below 1 µA, reducing power consumption. For

applications that require minimum ripple or fixed frequency,

PFM Mode can be disabled using the MODE pin.

The FAN53601/11 is available in 6-bump, 0.4 mm pitch,

Wafer-Level Chip-Scale Package (WLCSP).

Figure 1. Typical Application

Ordering Information

Part Number

Output

Voltage

(1)

Max. Output

Current

Active

Discharge

(2)

Package

Temperature

Range

Packing

FAN53611AUC11X

1.100 V

1 A

Yes

WLCSP-6,

0.4 mm Pitch

–40 to +85°C

Tape and

Reel

FAN53611UC123X

1.233 V

1 A

No

FAN53601UC182X

1.820 V

600 mA

No

Notes:

1.

Other voltage options available on request. Contact a Fairchild representative.

2.

All voltage and output current options are available with or without active discharge. Contact a Fairchild representative.

SW

MODE

GND

EN

L1

CIN

2.2 F

470nH

C2

B2

A2

C1

B1

A1

FB

F

COUT

VIN

유사한 부품 번호 - FAN53611AUC11X

제조업체	부품명	데이터시트	상세설명
ON Semiconductor	FAN53611AUC11X	763Kb / 16P	6 MHz, 600mA / 1 A Synchronous Buck Regulator December-2017, Rev. 2

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유사한 설명 - FAN53611AUC11X

제조업체	부품명	데이터시트	상세설명
ON Semiconductor	FAN5361	1Mb / 18P	6 MHz, 600 mA / 750 mA Synchronous Buck Regulator October-2017, Rev. 2
ON Semiconductor	FAN53601	763Kb / 16P	6 MHz, 600mA / 1 A Synchronous Buck Regulator December-2017, Rev. 2
Fairchild Semiconductor	FAN53600	1Mb / 16P	3 MHz, 600 mA / 1A Synchronous Buck Regulator
ON Semiconductor	FAN53600	1Mb / 16P	3 MHz, 600 mA / 1A Synchronous Buck Regulator March 2016 Rev. 1.4
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