ML4803CS2 Fairchild Semiconductor, ML4803CS2 Datasheet - Page 10

• 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
10
LINE
J1-1
NEUTRAL
J1-2
F1 5A 250V
CR12
7.0V
R4 1kΩ
250VAC
470kΩ
4.7nF
0.5W
R24
C20
390kΩ
0.15µF
R25
C8
0.015µF
C19
4.7nF
250VAC
250VAC
C15
5.8MΩ
0.47µF
5.8MΩ
R13
0.01µF
C4
C23
R12
Figure 12. Typical Application Circuit. Universal Input 240W 12V DC Output
8.2nF
10
1
0.1µF
10Ω
C5
R7
R29 20kΩ
IN4148
C7
CR16
T2
R28
20kΩ
600V
BR1
4A
3
4
1
2
3
4
C29 0.01µF
PFC
GND
I SENSE
VEAO
1µF
C6
10kΩ
ML4803
R19
R3 0.15Ω 3W
R30 200Ω
L3
10kΩ
I LIMIT
R22
PWM
C28
1µF
V CC
V DC
TH1
10Ω
5A
0.01µF
R38 22Ω
C22
1µF
C27
8
7
6
5
0.5W
CR5
CR7
16V
36Ω
20kΩ
20kΩ
R2
R27
R26
3W
3W
1000µH
36Ω
R31
10Ω
R1
102T
CR11
CR10
L2
2.2nF
C10
Q1
1000µF
C11
Q2
R8 36Ω
Q5
R5 36Ω
R11 150Ω
R32 100Ω
1µF
C21
1µF
CR9
CR1 8A, 600V
C9
CR8
Q4
10kΩ
R23
10kΩ
R21
220µF
CR15
450V
C1
0.75Ω
R10
Q3
L2
4T
3W
CR4
0.01µF
C16
CR3
510Ω
R20
T1
5
4
C18 4.7nF
U3
U2
CR2
30A
60V
3
2
CR18 51V
1
2
1.5kΩ
R17 3.3kΩ
1
R9
C13 1nF
R36 220Ω
PRODUCT SPECIFICATION
330Ω
L1 25µH
CR2
30A, 60V
C12 0.1µF
2200µF
R37
C2
4.7µF
C14
R6 1.2kΩ
REV. 1.1.3 8/3/01
0.1µF
R18 1kΩ
C17
1µF
C3
2.37kΩ
9.09kΩ
150Ω
R14
R16
2W
R15
12VRET
C25
0.01µF
500V
0.01µF
500V
C26
J2-1
J2-2
12V