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參數資料
| 型號： | FAN4810N |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | Terminal Block RoHS Compliant: Yes |
| 中文描述： | 1 A POWER FACTOR CONTROLLER, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-16 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 160K |
| 代理商： | FAN4810N |
www.fairchildsemi.com
REV. 1.0.12 9/24/03
Features
TriFault Detect for UL1950 compliance and enhanced
safety
Slew rate enhanced transconductance error amplifier for
ultra-fast PFC response
Low power: 200μA startup current, 5.5mA operating
current
Low total harmonic distortion, high PF
Average current, continuous boost leading edge PFC
Current fed gain modulator for improved noise immunity
Overvoltage and brown-out protection, UVLO, and soft
start
Synchronized clock output
General Description
The FAN4810 is a controller for power factor corrected,
switched mode power supplies. The FAN4810 includes
circuits for the implementation of leading edge, average
current, “boost” type power factor correction and results in a
power supply that fully complies with IEC1000-3-2 specifi-
cation. It also includes a TriFault Detect function to help
ensure that no unsafe conditions will result from single
component failure in the PFC. Gate-driver with 1A
capability minimizes the need for external driver circuit.
Low power requirements improve efficiency and reduce
component costs. The PFC also includes peak current
limiting, input voltage brownout protection and a over-
voltage comparator shuts down the PFC section in the event
of a sudden decrease in load. The clock-out signal can be
used to synchronize down-stream PWM stages in order to
reduce system noise.
Block Diagram
15
VEAO
IEAO
VFB
IAC
VRMS
ISENSE
RAMP 1
CLKSD
OSCILLATOR
OVP
+
PFC ILIMIT
VREF
POWER FACTOR CORRECTOR
TRI-FAULT
2.5V
–
–
+
16
2
4
3
7.5V
REFERENCE
14
VCC
13
VCC
VEA
7
-
+
IEA
1
+
–
+
–
+
–
PFC OUT
12
S
R
Q
Q
S
R
Q
Q
2.75V
0.5V
-1V
8
11
10
6
5
9
GAIN
MODULATOR
3.6k
3.6k
17V
UVLO
CLKOUT
S
R
Q
Q
VCC
DUTY CYCLE
LIMIT
–
+
–
+
2.45V
VFB
VREF
VIN OK
VCC
25
μ
A
1.25V
FAN4810
Power Factor Correction Controller
相關PDF資料 |
PDF描述 |
|---|---|
| FAN4822 | ZVS Average Current PFC Controller |
| FAN4822IM | Analog IC |
| FAN4822IN | Analog IC |
| FAN4855 | 500mA High Efficiency Boost Regulator with Adjustable Output, Shutdown and Low Battery Detect |
| FAN4855MTC | 500mA High Efficiency Boost Regulator with Adjustable Output, Shutdown and Low Battery Detect |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN4810N_Q | 功能描述:功率因數校正 IC PFC Preregulator RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| FAN4822 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:ZVS Average Current PFC Controller |
| FAN4822IM | 功能描述:功率因數校正 IC PFC Controller RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| FAN4822IM_Q | 功能描述:功率因數校正 IC PFC Controller RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| FAN4822IMX | 功能描述:功率因數校正 IC PFC Controller RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
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