FSQ321 Fairchild Semiconductor, FSQ321 Datasheet - Page 15

• Manufacturer Part Number: FSQ321
• Description: IC SWIT PWM GREEN OVP UVLO 8DIP
• Manufacturer: Fairchild Semiconductor

Specifications of FSQ321

• Output Isolation: Isolated
• Frequency Range: 84 ~ 95.2kHz
• Voltage - Input: 9 ~ 20 V
• Voltage - Output: 650V
• Power (watts): 10W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 8-DIP (0.300", 7.62mm)
• On Resistance (max): 19 Ohms
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 25 C
• Maximum Power Dissipation: 1500 mW
• Mounting Style: Through Hole
• Supply Current: 3 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FSQ0365, FSQ0265, FSQ0165, FSQ321, FSQ311 Rev. 1.0.5
© 2006 Fairchild Semiconductor Corporation
Figure 27. Valley Switching with Limited Frequency
I
DS
t
B
=15
I
DS
t
I
B
DS
μ
=15
I
DS
s
t
t
s
B
max
μ
=15
t
s
t
s
B
max
=18
=15
t
t
t
μ
s
s
s
=18
s
μ
μ
s
s
μ
s
I
DS
t
W
=3
FSQ0365RN Rev. 00
I
I
DS
DS
μ
s
I
D
DS
A
B
C
15
55kHz
59kHz
67kHz
Figure 28. Switching Frequency Range
FSQ0365RN Rev. 00
mode
Burst
When the resonant period is 2μs
A
B
C
www.fairchildsemi.com
Constant
frequency
D
P
O