參數(shù)資料
型號: ML4804IS
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: Power Factor Correction and PWM Controller Combo
中文描述: 1 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 250 kHz SWITCHING FREQ-MAX, PDSO16
封裝: SOIC-16
文件頁數(shù): 2/14頁
文件大?。?/td> 145K
代理商: ML4804IS
ML4804
2
REV. 1.0.2 3/9/2001
PIN CONFIGURATION
PIN DESCRIPTION
PIN
NAME
FUNCTION
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
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.
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IEAO
IAC
ISENSE
VRMS
SS
VDC
RAMP 1
RAMP 2
VEAO
VFB
VREF
VCC
PFC OUT
PWM OUT
GND
DC ILIMIT
TOP VIEW
ML4804
16-Pin PDIP (P16)
16-Pin Narrow SOIC (S16N)
相關(guān)PDF資料
PDF描述
ML4804 Power Factor Correction and PWM Controller Combo(功率因數(shù)校正器和PWM控制器組合芯片)
ML4805 Variable Feedforward PFC/PWM Controller Combo
ML4805CP Variable Feedforward PFC/PWM Controller Combo
ML4805CS Variable Feedforward PFC/PWM Controller Combo
ML4805IP Variable Feedforward PFC/PWM Controller Combo
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