FSD200BM Fairchild Semiconductor, FSD200BM Datasheet - Page 15

• Manufacturer Part Number: FSD200BM
• Description: IC SWIT PWM GREEN UVLO HV 7SOP
• Manufacturer: Fairchild Semiconductor

Specifications of FSD200BM

• Output Isolation: Isolated
• Frequency Range: 126 ~ 142kHz
• Voltage - Input: 6 ~ 10 V
• Voltage - Output: 670V
• Power (watts): 7W
• Operating Temperature: 25°C ~ 100°C
• Package / Case: 8-SOP (7 Leads)
• Power Switch Family: FSD200
• Input Voltage: -0.3 to 10V
• Power Switch On Resistance: 28Ohm
• Number Of Outputs: Single
• Mounting: Surface Mount
• Supply Current: 600uA
• Package Type: SOP
• Operating Temperature (min): -25C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Pin Count: 7
• Power Dissipation: 1450W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: FSD200BM_NL; FSD200BM_NL

Typical Application Circuit - 2
Features
• Non-Isolation Buck converter
• Low component count
• Enhanced system reliability through various protection functions
Key Design Notes
• The output voltage(12V) is regulated with resistors R1, R2 and R3, zener diode D3, the transistor Q1 and the capacitor C2.
• R 680K is used to prevent the OLP(over load protection) at startup.
• R 8.2K is a dummy resistor to regulate output voltage in light load.
1. Schematic
While the FSD210B is off, diodes D1 and D2 are on. At this time the output voltage 12V is sensed by the feedback
components listed above.
VINDC
Non-Isolation Buck
GND
Application
4.7uF/400V
C1
UF4004
0
FSD21x
D1
U1
8
Vstr
Output power
Vcc
Vfb
1.2W
R
680K
5
4
47nF/50V
C2
Q1
KSP2222A
(for Universal Input)
DC 120 ~ 375V
R1 110
Input voltage
110
1N759A
750
R2
D3(ZD)
R3
1000uF 16V
Output voltage (Max current)
C5
47uF 50V
UF4004
L1
1mH
D2
C4
12V (100mA)
R
VOUT(12V/100mA)
FSD210B, FSD200B
8.2K
GND
15