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FAN4800AS

0.5 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 268 kHz SWITCHING FREQ-MAX, DIP16
0.5 A 含后置稳压器的功率因数控制器, 268 kHz 开关 最大频率, DIP16

器件类别：半导体    模拟混合信号IC   

厂商名称：Fairchild

厂商官网：http://www.fairchildsemi.com/

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参数 预览 参数对比
器件参数
参数名称
属性值
功能数量
1
端子数量
16
额定输入电压
15 V
最大限制输入电压
28 V
最小限制输入电压
9.3 V
最大工作温度
105 Cel
最小工作温度
-40 Cel
加工封装描述
0.300 INCH, GREEN, MS-001BB, DIP-16
无铅
Yes
欧盟RoHS规范
Yes
状态
ACTIVE
工艺
BIPOLAR
包装形状
RECTANGULAR
包装尺寸
IN-LINE
端子形式
THROUGH-HOLE
端子间距
2.54 mm
端子涂层
MATTE TIN
端子位置
DUAL
包装材料
UNSPECIFIED
温度等级
INDUSTRIAL
控制模式
VOLTAGE
控制技术
PULSE WIDTH MODULATION
最大输出电流
0.5000 A
模拟IC其它类型
POWER FACTOR CONTROLLER WITH POST REGULATOR
交换机配置
SINGLE
最大开关频率
268 kHz
文档预览
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
f
RTCT
=4•f
PFC
=4•f
PWM
for FAN4800AS/01S
f
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:
1.
2.
Change R
AC
resister from the old value to a higher
resister: between 6MΩ to 8MΩ.
Change RT/CT pin from the existing values to
R
T
=6.8kΩ and C
T
=1000pF to have f
PFC
=64kHz and
f
PWM
=64kHz.
The VRMS pin needs to be 1.224V at V
IN
=85 V
AC
for universal input application from line input from
85V
AC
to 270V
AC
.
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
5.
4.
3.
There are two differences from FAN4800A/C/01/02 to
FAN4800AS/CS/01S/02S:
1.
2.
Under-voltage protection
extended to one second.
debounce
time
is
Related Resources
AN-8027 - FAN480X PFC+PWM Combination
Controller Application
PWM gate clamp voltage is raised to 19V.
© 2010 Fairchild Semiconductor Corporation
FAN4800AS/CS/01S/02S • Rev. 1.0.1
www.fairchildsemi.com
FAN4800AS/CS/01S/02S — PFC/PWM Controller Combination
Ordering Information
Part Number
FAN4800ASNY
FAN4800ASMY
FAN4800CSNY
FAN4800CSMY
FAN4801SNY
FAN4801SMY
FAN4802SNY
FAN4802SMY
Operating Temperature Range
-40°C to +105°C
-40°C to +105°C
-40°C to +105°C
-40°C to +105°C
-40°C to +105°C
-40°C to +105°C
-40°C to +105°C
-40°C to +105°C
Package
16-Pin Dual Inline Package (DIP)
16-Pin Small Outline Package (SOP)
16-Pin Dual Inline Package (DIP)
16-Pin Small Outline Package (SOP)
16-Pin Dual Inline Package (DIP)
16-Pin Small Outline Package (SOP)
16-Pin Dual Inline Package (DIP)
16-Pin Small Outline Package (SOP)
Packing Method
Tube
Tape & Reel
Tube
Tape & Reel
Tube
Tape & Reel
Tube
Tape & Reel
Application Diagram
Figure 1.
Typical Application, Current Mode
© 2010 Fairchild Semiconductor Corporation
FAN4800AS/CS/01S/02S • Rev. 1.0.1
www.fairchildsemi.com
2
FAN4800AS/CS/01S/02S — PFC/PWM Controller Combination
Application Diagram
IEA
IAC
ISENSE
VRMS
SS
FBPWM
RT/CT
VREF
RAMP
VEA
FBPFC
VREF
VDD
OPFC
OPWM
GND
ILIMIT
VDD
VREF
Figure 2.
Typical Application, Voltage Mode
© 2010 Fairchild Semiconductor Corporation
FAN4800AS/CS/01S/02S • Rev. 1.0.1
www.fairchildsemi.com
3
FAN4800AS/CS/01S/02S — PFC/PWM Controller Combination
Block Diagram
Figure 3.
FAN4800AS/CS Function Block Diagram
Figure 4.
© 2010 Fairchild Semiconductor Corporation
FAN4800AS/CS/01S/02S • Rev. 1.0.1
FAN4801S/02S Function Block Diagram
www.fairchildsemi.com
4
FAN4800AS/CS/01S/02S — PFC/PWM Controller Combination
Marking Information
F
– Fairchild Logo
Z
– Plant Code
X
– 1-Digit Year Code
YY
– 2-Digit Week Code
TT
– 2-Digit Die-Run Code
T
– Package Type (N:DIP)
P
– Y: Green Package
M
– Manufacture Flow Code
Figure 5.
DIP Top Mark
F
– Fairchild Logo
Z
– Plant Code
X
– 1-Digit Year Code
Y
– 1-Digit Week Code
TT
– 2-Digit Die-Run Code
T
– Package Type (M:SOP)
P
– Y: Green Package
M
– Manufacture Flow Code
Figure 6.
SOP Top Mark
© 2010 Fairchild Semiconductor Corporation
FAN4800AS/CS/01S/02S • Rev. 1.0.1
www.fairchildsemi.com
5
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参数对比
与FAN4800AS相近的元器件有：FAN480001S、FAN4800ASNY、FAN4800CSMY、FAN48002S、FAN4800CS、FAN4800CSNY。描述及对比如下：
型号 FAN4800AS FAN480001S FAN4800ASNY FAN4800CSMY FAN48002S FAN4800CS FAN4800CSNY
描述 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, 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
功能数量 1 1 1 - 1 1 1
端子数量 16 16 16 - 16 16 16
额定输入电压 15 V 15 V - - 15 V 15 V -
最大限制输入电压 28 V 28 V - - 28 V 28 V -
最小限制输入电压 9.3 V 9.3 V - - 9.3 V 9.3 V -
最大工作温度 105 Cel 105 Cel - - 105 Cel 105 Cel -
最小工作温度 -40 Cel -40 Cel - - -40 Cel -40 Cel -
加工封装描述 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 -
无铅 Yes Yes - - Yes Yes -
欧盟RoHS规范 Yes Yes - - Yes Yes -
状态 ACTIVE ACTIVE - - ACTIVE ACTIVE -
工艺 BIPOLAR BIPOLAR - - BIPOLAR BIPOLAR -
包装形状 RECTANGULAR RECTANGULAR - - RECTANGULAR RECTANGULAR -
包装尺寸 IN-LINE IN-LINE - - IN-LINE IN-LINE -
端子形式 THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE - THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE
端子间距 2.54 mm 2.54 mm - - 2.54 mm 2.54 mm -
端子涂层 MATTE TIN MATTE TIN - - MATTE TIN MATTE TIN -
端子位置 DUAL DUAL DUAL - DUAL DUAL DUAL
包装材料 UNSPECIFIED UNSPECIFIED - - UNSPECIFIED UNSPECIFIED -
温度等级 INDUSTRIAL INDUSTRIAL INDUSTRIAL - INDUSTRIAL INDUSTRIAL INDUSTRIAL
控制模式 VOLTAGE VOLTAGE VOLTAGE-MODE - VOLTAGE VOLTAGE VOLTAGE-MODE
控制技术 PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION - PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
最大输出电流 0.5000 A 0.5000 A 0.5 A - 0.5000 A 0.5000 A 0.5 A
模拟IC其它类型 POWER FACTOR CONTROLLER WITH POST REGULATOR POWER FACTOR CONTROLLER WITH POST REGULATOR - - POWER FACTOR CONTROLLER WITH POST REGULATOR POWER FACTOR CONTROLLER WITH POST REGULATOR -
交换机配置 SINGLE SINGLE - - SINGLE SINGLE -
最大开关频率 268 kHz 268 kHz - - 268 kHz 268 kHz -
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器件捷径:
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