參數(shù)資料
型號: ML4824CS2
廠商: Fairchild Semiconductor
文件頁數(shù): 2/15頁
文件大?。?/td> 103K
描述: IC PFC PWM CTRLR COMBO 16-SOIC
標(biāo)準(zhǔn)包裝: 45
模式: 平均電流
頻率 - 開關(guān): 76kHz
電流 - 啟動: 700µA
電源電壓: 10.5 V ~ 13.2 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC
包裝: 管件
 
ML4824
PRODUCT SPECIFICATION
 
2
 
REV. 1.0.6 11/7/03
 
 
Pin Conguration
Pin Description
 
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
RAMP 1
Oscillator timing node; timing set by R
 
T
 
C
 
T
 
8
RAMP 2
When in current mode, this pin functions as as the current sense input; when in voltage
mode, it is the PWM input from PFC output (feed forward ramp).
9
DC I
 
LIMIT
 
PWM current limit comparator 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
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
ML4824
16-Pin PDIP (P16)
16-Pin Wide SOIC (S16W)
 
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