ML4800
PRODUCT SPECIFICATION
 
2
 
REV. 1.0.5 9/25/01
 
 
Pin Conguration
Pin Description
 
Pin
Name
Function
 
1
IEAO
Slew rate enhanced PFC transconductance error amplifier output
2
I
 
AC
 
PFC AC line reference input to Gain Modulator
3
I
 
SENSE
 
Current sense input to the PFC Gain Modulator
4
V
 
RMS
 
PFC Gain Modulator RMS line voltage compensation input
5
SS
Connection point for the PWM soft start capacitor
6
V
 
DC
 
PWM voltage feedback input
7
RAMP 1    Oscillator timing node; timing set by R
 
T
 
C
 
T
 
8
RAMP 2    When in current mode, this pin functions as the current sense input; when in voltage mode,
it is the PWM modulation ramp input.
9
DC I
 
LIMIT
 
PWM cycle-by-cycle current limit comparator input
10
GND
Ground
11    PWM OUT   PWM driver output
12    PFC OUT   PFC driver output
13
V
 
CC
 
Positive supply
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
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IEAO
I
AC
I
SENSE
V
RMS
SS
V
DC
RAMP 1
RAMP 2
VEAO
V
FB
V
REF
V
CC
PFC OUT
PWM OUT
GND
DC I
LIMIT
TOP VIEW
ML4800
16-Pin PDIP (P16)
16-Pin Narrow SOIC (S16N)
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相关代理商/技术参数
ML4800CP 制造商:Fairchild Semiconductor Corporation 功能描述:IC PFC/PWM COMBO 4800 DIP16
ML4800CP_NL 功能描述:功率因数校正 IC Power Factor PWM Contrl 0.2mA 81KHz RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
ML4800CP_Q 功能描述:功率因数校正 IC PFC Controller PWM Combo RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
ML4800CS 功能描述:功率因数校正 IC PFC Controller PWM Combo RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
ML4800CS_Q 功能描述:功率因数校正 IC PFC Controller PWM Combo RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
ML4800CSX 功能描述:功率因数校正 IC PFC Controller PWM Combo RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
ML4800CSX_NL 功能描述:功率因数校正 IC Power Factor PWM Contrl 0.2mA 81KHz RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
ML4800IP 功能描述:功率因数校正 IC PFC Controller PWM Combo RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel