FAN5355UC06X datasheet, PDF - EEWORLD Datasheet

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FAN5355UC06X: Description1.8 A SWITCHING CONTROLLER, 3350 kHz SWITCHING FREQ-MAX, PBGA12; CategoryPower/power management The power supply circuit; File Size1MB，25 Pages; ManufacturerFairchild; Websitehttp://www.fairchildsemi.com/; Environmental Compliance

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FAN5355UC06X Overview

1.8 A SWITCHING CONTROLLER, 3350 kHz SWITCHING FREQ-MAX, PBGA12

FAN5355UC06X Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Fairchild
Parts packaging code	BGA
package instruction	VFBGA, BGA12,3X4,20
Contacts	12
Reach Compliance Code	compli
ECCN code	EAR99
Other features	OPERATES IN ADJUSTABLE MODE FROM 1.1875V TO 1.975V, ALSO HAS A CONTROL TECHNIQUE OF PFM
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER
control mode	VOLTAGE-MODE
Control Technology	PULSE WIDTH MODULATION
Maximum input voltage	5.5 V
Minimum input voltage	2.7 V
Nominal input voltage	3.6 V
JESD-30 code	R-PBGA-B12
length	2.21 mm
Number of functions	1
Number of terminals	12
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Maximum output current	1.8 A
Package body material	PLASTIC/EPOXY
encapsulated code	VFBGA
Encapsulate equivalent code	BGA12,3X4,20
Package shape	RECTANGULAR
Package form	GRID ARRAY, VERY THIN PROFILE, FINE PITCH
Certification status	Not Qualified
Maximum seat height	0.625 mm
surface mount	YES
Switch configuration	PUSH-PULL
Maximum switching frequency	3350 kHz
Temperature level	INDUSTRIAL
Terminal form	BALL
Terminal pitch	0.5 mm
Terminal location	BOTTOM
width	1.44 mm

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FAN5365 — 1A / 0.8A, 6MHz Digitally Programmable Regulator

November 2010

FAN5365

1A / 0.8A, 6MHz Digitally Programmable Regulator

Features

High Efficiency (>88%) at 6MHz

800mA or 1A Output Current

Regulation Maintained with V

from 2.3V to 5.5V

6-Bit V

OUT

Programmable from 0.75 to 1.975V

6MHz Fixed-Frequency Operation (PWM Mode)

Excellent Load and Line Transient Response

Small Size, 470nH Inductor Solution

±2% DC Voltage Accuracy in PWM Mode

25ns Minimum On-Time

High-Efficiency, Low-Ripple, Light-Load PFM

Smooth Transition between PWM and PFM

40μA Operating PFM Quiescent Current

I C™-Compatible Interface up to 3.4Mbps

Pin-Selectable or I C™ Programmable Output Voltage

9-Bump, 1.27 x 1.29mm, 0.4mm Pitch WLCSP Package

Description

The FAN5365 is a high-frequency, ultra-fast transient

response, synchronous step-down, DC-DC converter

optimized for low-power applications using small, low-cost

inductors and capacitors. The FAN5365 supports up to

800mA or 1A load current.

The FAN5365 is ideal for mobile phones and similar portable

applications powered by a single-cell Lithium-Ion battery.

With an output voltage range adjustable via I C™ interface

from 0.75V to 1.975V, it supports low-voltage DSPs and

processors, core power supplies, and memory modules in

smart phones, data cards, and hand-held computers.

The FAN5365 operates at 6MHz (nominal) fixed switching

frequency in PWM mode.

During light-load conditions, the regulator includes a PFM

mode to enhance light-load efficiency. The regulator

transitions smoothly between PWM and PFM modes with no

glitches on V

OUT

. In hardware shutdown, the current

consumption is reduced to less than 200nA.

The serial interface is compatible with fast / standard mode,

fast mode plus, and high-speed mode I C specifications,

allowing transfers up to 3.4Mbps. This interface is used for

dynamic voltage scaling with 12.5mV voltage steps, for

reprogramming the mode of operation (PFM or forced

PWM), or to disable/enable the output voltage.

The chip's advanced protection features include short-circuit

protection and current and temperature limits. During a

sustained over-current event, the IC shuts down and restarts

after a delay to reduce average power dissipation into a

fault.

During startup, the IC controls the output slew rate to

minimize input current and output overshoot at the end of

soft-start. The IC maintains a consistent soft-start ramp,

regardless of output load during startup.

The FAN5365 is available in a 1.27 x 1.29mm, 9-bump

WLCSP package.

Applications

3G, WiFi , WiMAX™, and WiBro Data Cards

Netbooks , Ultra-Mobile PCs

SmartReflex™-Compliant Power Supply

Split Supply DSPs and

μP

Solutions OMAP™, XSCALE™

Handset Graphic Processors (NVIDIA , ATI)

All trademarks are the property of their respective owners

FAN5365 • Rev. 1.0.4

www.fairchildsemi.com

FAN5355UC06X Related Products

	FAN5355UC06X	FAN5365UC03X	FAN5365	FAN5365UC02X
Description	1.8 A SWITCHING CONTROLLER, 3350 kHz SWITCHING FREQ-MAX, PBGA12	1.8 A SWITCHING CONTROLLER, 3350 kHz SWITCHING FREQ-MAX, PBGA12	1.8 A SWITCHING CONTROLLER, 3350 kHz SWITCHING FREQ-MAX, PBGA12	1.8 A SWITCHING CONTROLLER, 3350 kHz SWITCHING FREQ-MAX, PBGA12
Is it Rohs certified?	conform to	conform to	-	conform to
Maker	Fairchild	Fairchild	-	Fairchild
Parts packaging code	BGA	BGA	-	CSP
package instruction	VFBGA, BGA12,3X4,20	VFBGA, BGA9,3X3,16	-	VFBGA, BGA9,3X3,16
Contacts	12	9	-	9
Reach Compliance Code	compli	compli	-	compli
ECCN code	EAR99	EAR99	-	EAR99
Other features	OPERATES IN ADJUSTABLE MODE FROM 1.1875V TO 1.975V, ALSO HAS A CONTROL TECHNIQUE OF PFM	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.75 TO 1.4375 V, ALSO OPERATES IN PFM MODE	-	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.75 TO 1.4375 V, ALSO OPERATES IN PFM MODE
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER	SWITCHING REGULATOR	-	SWITCHING REGULATOR
control mode	VOLTAGE-MODE	CURRENT-MODE	-	CURRENT-MODE
Control Technology	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	-	PULSE WIDTH MODULATION
Maximum input voltage	5.5 V	5.5 V	-	5.5 V
Minimum input voltage	2.7 V	2.3 V	-	2.3 V
Nominal input voltage	3.6 V	3.6 V	-	3.6 V
JESD-30 code	R-PBGA-B12	R-PBGA-B9	-	R-PBGA-B9
length	2.21 mm	1.29 mm	-	1.29 mm
Number of functions	1	1	-	1
Number of terminals	12	9	-	9
Maximum operating temperature	85 °C	85 °C	-	85 °C
Minimum operating temperature	-40 °C	-40 °C	-	-40 °C
Maximum output current	1.8 A	1.84 A	-	1.6 A
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	-	PLASTIC/EPOXY
encapsulated code	VFBGA	VFBGA	-	VFBGA
Encapsulate equivalent code	BGA12,3X4,20	BGA9,3X3,16	-	BGA9,3X3,16
Package shape	RECTANGULAR	RECTANGULAR	-	RECTANGULAR
Package form	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	-	GRID ARRAY, VERY THIN PROFILE, FINE PITCH
Certification status	Not Qualified	Not Qualified	-	Not Qualified
Maximum seat height	0.625 mm	0.625 mm	-	0.625 mm
surface mount	YES	YES	-	YES
Switch configuration	PUSH-PULL	BUCK	-	BUCK
Maximum switching frequency	3350 kHz	6600 kHz	-	6600 kHz
Temperature level	INDUSTRIAL	INDUSTRIAL	-	INDUSTRIAL
Terminal form	BALL	BALL	-	BALL
Terminal pitch	0.5 mm	0.4 mm	-	0.4 mm
Terminal location	BOTTOM	BOTTOM	-	BOTTOM
width	1.44 mm	1.27 mm	-	1.27 mm

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