ML4824CS1 Fairchild Semiconductor, ML4824CS1 Datasheet - Page 12

• Manufacturer Part Number: ML4824CS1
• Description: IC PFC PWM CTRLR COMBO 16-SOIC
• Manufacturer: Fairchild Semiconductor

Specifications of ML4824CS1

• Mode: Average Current
• Frequency - Switching: 76kHz
• Current - Startup: 700µA
• Voltage - Supply: 10.5 V ~ 13.2 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Switching Frequency: 81 KHz
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 65 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ML4824
TYPICAL APPLICATIONS
Figure 6 is the application circuit for a complete 100W
power factor corrected power supply, designed using the
methods and general topology detailed in Application
Note 33.
4A, 600V
12
300m
BR1
85 TO 265VAC
1W
R5
AC INPUT
470nF
C1
Figure 6. 100W Power Factor Corrected Power Supply, Designed Using Micro Linear Application Note 33.
470nF
470nF
C3
C2
1A, 50V
1A, 50V
D12
D13
C19
1 F
3.15A
357k
357k
R2A
R2B
F1
75k
13k
499k
499k
R3
R4
R1A
R1B
10nF
C11
330 F
39k
C30
R27
470pF
C18
1
2
3
4
5
6
7
8
IEAO
I AC
I SENSE
V RMS
SS
V DC
RAMP 1
RAMP 2
27k
R12
IRF840
3.1mH
Q1
L1
ML4824
220pF
22
R21
C7
41.2k
PWM OUT
DC I LIMIT
PFC OUT
180
R6
R28
8A, 600V
1nF
VEAO
C6
V REF
GND
10 F
V CC
V FB
C12
10nF
D1
C4
16
15
14
13
12
11
10
9
6.2k
R10
50V
D3
178k
178k
R7A
R7B
100 F
C5
1A, 20V
220pF
D8
C17
R15
100nF
3
C20
1 F
C25
R14
33
220
T1
R19
10nF
C15
1A, 20V
4.7k
R17
33
R30
D10
IRF830
C16
1 F
IRF830
Q3
Q2
1.1
R20
15V
D7
100nF
C13
600V
D6
C14
1 F
600V
D5
T2
L1: Premier Magnetics #TSD-734
L2: 33 H, 10A DC
T1: Premier Magnetics #TSD-736
T2: Premier Magnetics #TSD-735
Premier Magnetics: [phone]
2.37k
1.5k
MOC
8102
R23
MBR2545CT
R8
D11
PRODUCT SPECIFICATION
TL431
10k
C31
1nF
R26
1800 F
4.7 F
33 H
C21
C22
L2
750k
100nF
82nF
REV. 1.0.6 11/7/03
C23
R11
C8
1.2k
R24
220
C24
1 F
R18
8.2nF
C9
2.26k
8.66k
R25
R22
12VDC
RTN