ML4821CS Fairchild Optoelectronics Group, ML4821CS Datasheet - Page 10

• Manufacturer Part Number: ML4821CS
• Description: IC CONTROLLER PFC 5V 35MA 20SOIC
• Manufacturer: Fairchild Optoelectronics Group

Specifications of ML4821CS

• Mode: Average Current
• Frequency - Switching: 1MHz
• Current - Startup: 600µA
• Voltage - Supply: 12 V ~ 18 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q1324911

ML4821
10
1N5406
1N5406
D6
D5
90-264
AC IN
VAC
5A, 250V
2.7kΩ
0.25Ω
R6
C2
120pF
F1
R1
C1
1µF
2.7kΩ
R12
2kΩ
R5
1.5nF
20kΩ
R13
C5
D1
D3
1.5nF
C4
910kΩ
D2
D4
R8
C3
0.1µF
39kΩ
R9
91kΩ
R10
27kΩ
R15
Figure 12. 200W Output PFC Circuit
R7
560kΩ
91kΩ
R14
1
2
3
4
5
6
7
8
9
1N4934
1N4934
D7
I LIM
IA OUT
IA–
IA+
I SINE
EA OUT
EA–
V RMS
SOFT START
L1
D8
C7
0.47µF
ML4821
8.2kΩ
R11
C6
43nF
C12
1µF
C13
1µF
PGND
SYNC
V REF
GND
V CC
OUT
OVP
C T
R T
6.2kΩ
C14
470µF
R21
18
17
16
15
14
13
12
11
10
1N5406
D1
7.3Ω
R22
C8
C10
0.1µF
10.2kΩ
MUR850
C11
750pF
825kΩ
D10
R20
R19
PRODUCT SPECIFICATION
REV. 1.0.2 6/19/01
270µF
C14
470µF
R17
10.5kΩ
R18
825kΩ
450V
C19
DC OUT
382V
+
–