FAN4803 Fairchild Semiconductor, FAN4803 Datasheet - Page 2

• Manufacturer Part Number: FAN4803
• Description: To minimize standby power consumption, a proprietary green-mode function provides off-time modulation to continuously decrease the switching frequency at light-load conditions
• Manufacturer: Fairchild Semiconductor

FAN4803
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.
Operating Conditions
2
Parameter
I
V
I
Voltage on Any Other Pin
Peak PFC OUT Current, Source or Sink
Peak PWM OUT Current, Source or Sink
PFC OUT, PWM OUT Energy Per Cycle
Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10 sec)
Thermal Resistance (
Temperature Range
FAN4803CS-X
FAN4803CP-X
CC
SENSE
CC
Pin
Plastic DIP
Plastic SOIC
1
2
3
4
5
6
7
8
Current (average)
MAX
Voltage
PWM OUT
PFC OUT
Name
I
VEAO
I
GND
SENSE
V
LIMIT
V
DC
CC
JA
)
PFC driver output
Ground
Current sense input to the PFC current limit comparator
PFC one-pin error amplifier input
PWM voltage feedback input
PWM current limit comparator input
Positive supply (may require an external shunt regulator)
PWM driver output
0°C to 70°C
0°C to 70°C
PFC OUT
I SENSE
VEAO
GND
8-Pin SOIC (S08)
8-Pin PDIP (P08)
1
2
3
4
FAN4803
TOP VIEW
8
7
6
5
Function
PWM OUT
V CC
I LIMIT
V DC
GND – 0.3
Min
-65°
-5
V
CC
Max
PRODUCT SPECIFICATION
18.3
150
150
260
110
160
1.5
40
1
1
1
+ 0.3
REV. 1.2.3 11/2/04
°C/W
°C/W
Unit
mA
°C
°C
°C
µJ
V
V
V
A
A