ml4827cs-2 Fairchild Semiconductor, ml4827cs-2 Datasheet - Page 2

• Manufacturer Part Number: ml4827cs-2
• Description: Fault-protected Pfc And Pwm Controller Combo
• Manufacturer: Fairchild Semiconductor

ML4827
Pin Configuration
Pin Description
Absolute Maximum Ratings
Absolute Maximum Ratings are those values, beyond which the device could be permanently damaged. Absolute maximum
ratings are stress ratings only and functional device operation is not implied.
2
Parameter
V
I
Voltage on any other Pin
I
I
SENSE
REF
AC
CC
PIN
Input Current
10
11
12
13
14
15
16
Shunt Regulator Current
1
2
3
4
5
6
7
8
9
Voltage
PWM OUT
DC I
PFC OUT
RAMP 1
RAMP 2
I
NAME
SENSE
V
VEAO
V
IEAO
GND
V
V
V
I
RMS
SS
REF
AC
DC
CC
FB
LIMIT
PFC transconductance current error amplifier output
PFC gain control reference input
Current sense input to the PFC current limit comparator
Input for PFC RMS line voltage compensation
Connection point for the PWM soft start capacitor
PWM voltage feedback input
PFC (master) oscillator input; f
When in current mode, this pin functions as as the current sense input; when in
voltage mode, it is the PWM (slave) oscillator input.
PWM current limit comparator input
Ground
PWM driver output
PFC driver output
Positive supply (connected to an internal shunt regulator)
Buffered output for the internal 7.5V reference
PFC transconductance voltage error amplifier input, and TriFault Detect input
PFC transconductance voltage error amplifier output
RAMP 1
RAMP 2
I SENSE
V RMS
16-Pin Wide SOIC (S16W)
IEAO
V DC
I AC
SS
16-Pin PDIP (P16)
1
2
3
4
5
6
7
8
TOP VIEW
ML4827
16
15
14
13
12
11
10
9
VEAO
V FB
V REF
V CC
PFC OUT
PWM OUT
GND
DC I LIMIT
OSC
FUNCTION
set by R
GND-0.3
Min.
–3
T
C
T
V
CCZ +0.3
Max.
PRODUCT SPECIFICATION
55
20
10
5
REV. 1.0.1 6/27/01
Units
mA
mA
mA
V
V