ML4803CS2 Fairchild Semiconductor, ML4803CS2 Datasheet - Page 9

• 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

PRODUCT SPECIFICATION
V
REV. 1.1.3 8/3/01
CC
OVP
C ZERO
R COMP
V OUT = 400V
C COMP
RP
Figure 10. Typical Peak Current Mode Waveforms
4
3
I SENSE
VEAO
Figure 11. ML4803 PFC Control
35µA
Component Reduction
R1
V ISENSE
OUTPUT
V C1 RAMP
DRIVE
GATE
5V
–4
C 1
30pF
V I SENSE
V C1
+
–
COMP
GATE
OUTPUT
ML4803
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