FAN4800CSMY datasheet, PDF - EEWORLD Datasheet

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FAN4800CSMY: Description0.5 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 268 kHz SWITCHING FREQ-MAX, PDSO16; CategoryPower/power management; File Size594KB，20 Pages; ManufacturerFairchild; Websitehttp://www.fairchildsemi.com/

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FAN4800CSMY Overview

0.5 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 268 kHz SWITCHING FREQ-MAX, PDSO16

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FAN4800AS/CS/01S/02S — PFC/PWM Controller Combination

December 2010

FAN4800AS/CS/01S/2S

PFC/PWM Controller Combination

Features

Pin-to-Pin Compatible with ML4800 and FAN4800

and CM6800 and CM6800A

PWM Configurable for Current Mode or

Feedforward Voltage-Mode Operation

Internally Synchronized Leading-Edge PFC and

Trailing-Edge PWM in One IC

Low Operating Current

Innovative Switching-Charge Multiplier Divider

Average-Current Mode for Input-Current Shaping

PFC Over-Voltage and Under-Voltage Protections

PFC Feedback Open-Loop Protection

Cycle-by-Cycle Current Limiting for PFC/PWM

Power-on Sequence Control and Soft-Start

Brownout Protection

Interleaved PFC/PWM Switching

Improved Efficiency at Light Load

RTCT

=4•f

PFC

=4•f

PWM

for FAN4800AS/01S

RTCT

=4•f

PFC

=2•f

PWM

for FAN4800CS/02S

Description

The highly integrated FAN4800AS/CS/01S/02S parts

are specially designed for power supplies that consist of

boost PFC and PWM. They require very few external

components to achieve versatile protections /

compensation. They are available in 16-pin DIP and

SOP packages.

The PWM can be used in either current or voltage

mode. In voltage mode, feed-forward from the PFC

output bus can reduce the secondary output ripple.

Compared with older productions, ML4800 and

FAN4800,

FAN4800AS/CS/01S/02S

have

lower

operation current that saves power consumption in

external devices. FAN4800AS/CS/01S/02S have

accurate 49.9% maximum duty of PWM that makes the

hold-up time longer. Brownout protection and PFC soft-

start functions available in this series are not available

in ML4800 and FAN4800.

To evaluate FAN4800AS/CS/01S/02S for replacing

existing FAN4800 and ML4800 boards, five things must

be completed before the fine-tuning procedure:

Change R

resister from the old value to a higher

resister: between 6MΩ to 8MΩ.

Change RT/CT pin from the existing values to

=6.8kΩ and C

=1000pF to have f

PFC

=64kHz and

PWM

=64kHz.

The VRMS pin needs to be 1.224V at V

=85 V

for universal input application from line input from

85V

to 270V

At full load, the average V

VEA

needs to be ~4.5V

and the ripple of V

VEA

needs to be less than

400mV.

For the Soft-Start pin, the soft-start current has

been reduced to half the FAN4800 capacitor.

Applications

Desktop PC Power Supply

Internet Server Power Supply

LCD TV, Monitor Power Supply

UPS

Battery Charger

DC Motor Power Supply

Monitor Power Supply

Telecom System Power Supply

Distributed Power

There are two differences from FAN4800A/C/01/02 to

FAN4800AS/CS/01S/02S:

Under-voltage protection

extended to one second.

debounce

time

Related Resources

AN-8027 - FAN480X PFC+PWM Combination

Controller Application

PWM gate clamp voltage is raised to 19V.

FAN4800AS/CS/01S/02S • Rev. 1.0.1

www.fairchildsemi.com

FAN4800CSMY Related Products

	FAN4800CSMY	FAN480001S	FAN4800ASNY	FAN4800AS	FAN48002S	FAN4800CS	FAN4800CSNY
Description	0.5 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 268 kHz SWITCHING FREQ-MAX, PDSO16	0.5 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 268 kHz SWITCHING FREQ-MAX, DIP16	0.5 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 268 kHz SWITCHING FREQ-MAX, DIP16	0.5 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 268 kHz SWITCHING FREQ-MAX, DIP16	0.5 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 268 kHz SWITCHING FREQ-MAX, DIP16	0.5 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 268 kHz SWITCHING FREQ-MAX, DIP16	0.5 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 268 kHz SWITCHING FREQ-MAX, DIP16
Number of functions	-	1	1	1	1	1	1
Number of terminals	-	16	16	16	16	16	16
Rated input voltage	-	15 V	-	15 V	15 V	15 V	-
Maximum limit input voltage	-	28 V	-	28 V	28 V	28 V	-
Minimum limit input voltage	-	9.3 V	-	9.3 V	9.3 V	9.3 V	-
Maximum operating temperature	-	105 Cel	105 °C	105 Cel	105 Cel	105 Cel	105 °C
Minimum operating temperature	-	-40 Cel	-40 °C	-40 Cel	-40 Cel	-40 Cel	-40 °C
Processing package description	-	0.300 INCH, GREEN, MS-001BB, DIP-16	-	0.300 INCH, GREEN, MS-001BB, DIP-16	0.300 INCH, GREEN, MS-001BB, DIP-16	0.300 INCH, GREEN, MS-001BB, DIP-16	-
Lead-free	-	Yes	-	Yes	Yes	Yes	-
EU RoHS regulations	-	Yes	-	Yes	Yes	Yes	-
state	-	ACTIVE	-	ACTIVE	ACTIVE	ACTIVE	-
Craftsmanship	-	BIPOLAR	-	BIPOLAR	BIPOLAR	BIPOLAR	-
packaging shape	-	RECTANGULAR	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	-
Package Size	-	IN-LINE	-	IN-LINE	IN-LINE	IN-LINE	-
Terminal form	-	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE
Terminal spacing	-	2.54 mm	-	2.54 mm	2.54 mm	2.54 mm	-
terminal coating	-	MATTE TIN	-	MATTE TIN	MATTE TIN	MATTE TIN	-
Terminal location	-	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Packaging Materials	-	UNSPECIFIED	-	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	-
Temperature level	-	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
control mode	-	VOLTAGE	VOLTAGE-MODE	VOLTAGE	VOLTAGE	VOLTAGE	VOLTAGE-MODE
Control Technology	-	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION
Maximum output current	-	0.5000 A	0.5 A	0.5000 A	0.5000 A	0.5000 A	0.5 A
Analog IC other types	-	POWER FACTOR CONTROLLER WITH POST REGULATOR	-	POWER FACTOR CONTROLLER WITH POST REGULATOR	POWER FACTOR CONTROLLER WITH POST REGULATOR	POWER FACTOR CONTROLLER WITH POST REGULATOR	-
Switch configuration	-	SINGLE	SINGLE	SINGLE	SINGLE	SINGLE	SINGLE
Maximum switching frequency	-	268 kHz	268 kHz	268 kHz	268 kHz	268 kHz	268 kHz

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