FSQ321 Fairchild Semiconductor, FSQ321 Datasheet - Page 20

• 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
2. Transformer
3. Winding Specification
4. Electrical Characteristics
5. Core & Bobbin
Insulation: Polyester Tape t = 0.025mm, 2 Layers
Insulation: Polyester Tape t = 0.025mm, 1 Layer
Insulation: Polyester Tape t = 0.025mm, 1 Layer
Insulation: Polyester Tape t = 0.025mm, 1 Layer
Insulation: Polyester Tape t = 0.025mm, 1 Layer
Insulation: Polyester Tape t = 0.025mm, 2 Layers
Insulation: Polyester Tape t = 0.025mm, 2 Layers
Insulation: Polyester Tape t = 0.025mm, 4 Layers
N
Shield
Shield
Core: EE1927 (Ae=23.4mm
Bobbin: EE1927
N
N
N
N
N
N
No
VCCV
3.3V
-12V
12V
p
p
5V
/2
/2
Inductance
Leakage
N
N
N
p
p
/2
/2
VCC
2
3
5
6
1
Pin (s→f)
1 → open
1 → open
10 → 11
11 → 12
3 → 2
7 → 8
9 → 8
5 → 6
2 → 1
EE1927
Figure 32. Transformer Schematic Diagram of FSQ311
2
)
12
11
10
9
8
7
N
N
N
N
12V
-12V
3.3V
5V
1 - 3
1 - 3
Pin
0.2
0.1
0.2
0.2
0.1
0.1
0.1
0.1
0.2
Shield winding
N12V & N-12V
Shield winding
Wire
(0.2φ,3parallel)
(0.2φ,3parallel)
φ
φ
φ
φ
φ
φ
φ
φ
φ
(0.1~0.15φ)
(0.1~0.15φ)
(0.1~0.15φ)
(0.1~0.15φ)
Lp/2
Lp/2
× 1
× 2
× 3
× 3
× 1
× 3
× 2
× 1
× 1
N3.3V
NVcc
(0.2φ)
(0.2φ)
N5V
20
Specification
2.1mH ± 10%
100µH Max.
Turns
12
1
2
2
3
3mm
111
111
15
10
30
33
36
8
8
8
8
Bottom of bobbin
6
8
8
11
11
Solenoid Winding, 2 Layers
Solenoid Winding, 2 Layers
5
9
7
Center Solenoid Winding
Center Solenoid Winding
Center Solenoid Winding
9
7
Winding Method
Solenoid Winding
Solenoid Winding
9
7
Shield winding
Shield winding
3mm
10
Short all other pins
1
1
1
1
Remarks
66kHz, 1V
www.fairchildsemi.com
TAPE 4T
TAPE 2T
TAPE 2T
TAPE 2T
TAPE 1T
TAPE 1T
TAPE 1T
TAPE 1T
TAPE 2T
TAPE 1T