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參數(shù)資料
| 型號(hào)： | FAN4800CUN |
| 廠商： | Fairchild Semiconductor |
| 文件頁數(shù)： | 5/19頁 |
| 文件大?。?/td> | 1414K |
| 描述： | IC PWM/PFC CTLR COMBO 16-MDIP |
| 標(biāo)準(zhǔn)包裝： | 1,800 |
| 模式： | 平均電流 |
| 頻率 - 開關(guān)： | 240kHz ~ 268kHz |
| 電流 - 啟動(dòng)： | 30µA |
| 電源電壓： | 11 V ~ 22 V |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 16-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 16-MDIP |
| 包裝： | 管件 |
?2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN4800AU/CU " Rev. 1.0.1
5
Pin Configuration
IE A
R A M P
R T / C T
F B P W M
S S
V R M S
I S E N S E
I A C
I L I M I T
G N D
O P W M
O P F C
V D D
V R E F
F B P F C
V E A
1
2
3
4
5
6
7
8
1 6
1 5
1 4
1 3
1 2
1 1
1 0
9
Figure 6. Pin Configuration (Top View)
Pin Definitions
Pin # Name
Description
1
IEA
Output of PFC Current Amplifier. The signal from this pin is compared with an internal
sawtooth to determine the pulse width for the PFC gate drive.
2
IAC
Input AC Current. For normal operation, this input provides a current reference for the
multiplier. The suggested maximum I
AC
is 65 礎(chǔ).
3
ISENSE
PFC Current Sense. The inverting input of the PFC current amplifier and the output of
multiplier and PFC I
LIMIT
comparator.
4
VRMS Line-Voltage Detection. The pin is used for the PFC multiplier.
5
SS
PWM Soft-Start. During startup, the SS pin charges an external capacitor with a 10 ?/SPAN>A
constant current source. The voltage on FBPWM is clamped by SS during startup. If a
protection condition occurs and/or PWM is disabled, the SS pin is quickly discharged.
6
FBPWM PWM Feedback Input. The control input for voltage-loop feedback of PWM stage.
7
RT/CT Oscillator RC Timing Connection. Oscillator timing node; timing set by R
T
and C
T
.
8
RAMP
PWM RAMP Input. In Current Mode, this pin functions as the current-sense input. In Voltage
Mode, it is the feed-forward sense input from PFC output 380 V (feed-forward ramp).
9
ILIMIT Peak Current Limit Setting for PWM. The peak current limit setting for PWM.
10
GND
Ground
11
OPWM
PWM Gate Drive. The totem-pole output drive for the PWM MOSFET. This pin is internally
clamped under 19 V to protect the MOSFET.
12
OPFC
PFC Gate Drive. The totem-pole output drive for PFC MOSFET. This pin is internally clamped
under 15 V to protect the MOSFET.
13
VDD
Supply. The power supply pin. The threshold voltages for startup and turn-off are 11 V and
9.3 V, respectively. The operating current is lower than 10 mA.
14
VREF
Reference Voltage. Buffered output for the internal 7.5 V reference.
15
FBPFC
Voltage Feedback Input for PFC. The feedback input for PFC voltage loop. The inverting input
of PFC error amplifier. This pin is connected to the PFC output through a divider network.
16
VEA
Output of PFC Voltage Amplifier. The error amplifier output for PFC voltage feedback loop.
A compensation network is connected between this pin and ground.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FAN4800IM | 功能描述:電流型 PWM 控制器 ANG FG PFC and PWM CONTROLLER ASMC DIE RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| FAN4800IMX | 功能描述:電流型 PWM 控制器 Controller PFC - PWM Combo RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| FAN4800IN | 功能描述:電流型 PWM 控制器 ANG FG PFC and PWM CONTROLLER ASMC DIE RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| FAN4800IN_G | 功能描述:電流型 PWM 控制器 ANG FG PFC & PWM CONTROLLER ASMC DIE RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| FAN4800IN_SB82230 | 功能描述:電流型 PWM 控制器 ANG FG PFC & PWM CONTROLLER ASMC DIE RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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