ML4803CS2 Fairchild Semiconductor, ML4803CS2 Datasheet - Page 8

• Manufacturer Part Number: ML4803CS2
• Description: Power Factor Correction ICs PFC Controller PWM Combo
• Manufacturer: Fairchild Semiconductor

Specifications of ML4803CS2

• Start-up Supply Current: 200uA
• Switching Freq: 134kHz
• Operating Supply Voltage (max): 18.3V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Package Type: SOIC N
• Pin Count: 8
• Mounting: Surface Mount
• Switching Frequency: 134 KHz
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Not Compliant

ML4803
PFC Start-Up and Soft Start
PFC Soft Recovery Following V
8
V BOOST
V EAO
V OUT
V CC
0
0
0
0
Figure 8. PFC Soft Start
200ms/Div.
CC
OVP
10V/div.
10V/div.
10V/div.
200V/div.
UVLO
Generating V
GATE
V CC
RTN
PFC
Figure 9. I
0.01µF
C23
1N4148
CR16
SENSE
20kΩ
R29
CC
Offset for Light Load Conditions
C16
1µF
10kΩ
R19
I SENSE
20kΩ
R28
PRODUCT SPECIFICATION
0.0082µF
C5
REV. 1.1.3 8/3/01
1kΩ
R4
0.15Ω
3W
R3