ML4821CS Fairchild Optoelectronics Group, ML4821CS Datasheet - Page 9

• 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

PRODUCT SPECIFICATION
Off-line Start-up and Bias Supply Generation
REV. 1.0.2 6/19/01
L1
N
P
N
N
S
P
N
S
≈
Figure 11. Bias and Start-up Circuit.
V
14V
OUT
39kΩ
R10
2W
1µF
1µF
1000µF
TO B+
TO IC
PIN 15
ML4821
9