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參數(shù)資料
| 型號： | ML4841 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Variable Feedforward PFC/PWM Controller Combo(前饋可變PFC/PWM控制器組合芯片) |
| 中文描述： | 可變前饋式PFC / PWM控制器組合（前饋可變式PFC /脈寬調制控制器組合芯片） |
| 文件頁數(shù)： | 2/15頁 |
| 文件大?。?/td> | 149K |
| 代理商： | ML4841 |
ML4841
2
REV. 1.0 10/12/2000
PIN CONFIGURATION
PIN DESCRIPTION
PIN
NAME
FUNCTION
9
RAMP 2
PWM ramp current sense input
10
GND
Ground
11
PWM OUT PWM driver output
12
PFC OUT
PFC driver output
13
V
CC
Positive supply (connected to an
internal shunt regulator).
14
V
REF
Buffered output for the internal 7.5V
reference
15
V
FB
PFC transconductance voltage error
amplifier input
16
VEAO
PFC transconductance voltage error
amplifier output
PIN
NAME
FUNCTION
1
IEAO
PFC transconductance current error
amplifier output
2
I
AC
PFC gain control reference input
3
I
SENSE
Current sense input to the PFC current
limit comparator
4
V
RMS
Input for PFC RMS line voltage
compensation
5
SS
Connection point for the PWM soft start
capacitor
6
V
DC
PWM voltage feedback input
7
R
T
C
T
Connection for oscillator frequency
setting components
8
RAMP 1
PFC ramp input
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IEAO
IAC
ISENSE
VRMS
SS
VDC
RT/CT
RAMP 1
VEAO
VFB
VREF
VCC
PFC OUT
PWM OUT
GND
RAMP 2
TOP VIEW
ML4841
16-Pin PDIP (P16)
16-Pin Wide SOIC (S16W)
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| ML4854 | Adjustable, Low-Current, 2-Cell Boost Regulator with Shutdown and Low Battery Detect |
| ML4861 | Low Voltage Drop Boost Regulator(低壓差升壓穩(wěn)壓器) |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ML4841CP | 功能描述:功率因數(shù)校正 IC PFC Controller PWM Combo 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 |
| ML4841CP_Q | 功能描述:功率因數(shù)校正 IC PFC Controller PWM Combo 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 |
| ML4841CS | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Variable Feedforward PFC/PWM Controller Combo |
| ML4841IP | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Variable Feedforward PFC/PWM Controller Combo |
| ML4841IS | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Variable Feedforward PFC/PWM Controller Combo |
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