ml4813 Micro Electronics Corporation, ml4813 Datasheet - Page 2

• Manufacturer Part Number: ml4813
• Description: Flyback Power Factor Controller
• Manufacturer: Micro Electronics Corporation

ML4813
PIN CONFIGURATION
PIN DESCRIPTION
PIN
2
1
2
3
4
5
6
7
NAME
I
SOFT START
COMP
V
OVP
OA OUT
OA-
LIMIT
FB
FUNCTION
Current limit sense pin which is
normally connected to the sense
resistor. When I
the PWM cycle is terminated
Connection for the soft start
capacitor
Output of error amplifier and input
to the PWM comparator
Control loop feedback voltage
Overvoltage comparator input
Output of the uncommitted op
amp
Inverting input of the uncommitted
op amp
LIMIT
SOFT START
exceeds 1V,
OA OUT
I LIMIT
COMP
OA+
OVP
OA-
V FB
16-Pin SOIC (S16W)
16-Pin PDIP (P16)
1
2
3
4
5
6
7
8
TOP VIEW
ML4813
PIN
10
11
12
13
14
15
16
8
9
16
15
14
13
12
11
10
9
C T
GND
V REF
V CC
OUT
PWR GND
SYNC
R T
OA+
NAME
R
SYNC
PWR GND
OUT
V
V
GND
C
T
CC
REF
T
Non-inverting input of the
uncommitted op amp
FUNCTION
Connection for the oscillator
timing resistor
Input for synchronizing the
oscillator to an external source
Return for the high current output
transistors
High current driver output
Power supply input
Buffered reference output
Analog signal ground
Connection for the oscillator
timing capacitor