FSFR1900 Fairchild Semiconductor, FSFR1900 Datasheet - Page 2

• Manufacturer Part Number: FSFR1900
• Description: IC SWIT PROG OVP OCP 9SIP
• Manufacturer: Fairchild Semiconductor

Specifications of FSFR1900

• Output Isolation: Isolated
• Frequency Range: 94 ~ 106kHz
• Voltage - Input: 14.5 ~ 25 V
• Voltage - Output: 540V
• Power (watts): 300W
• Operating Temperature: -40°C ~ 130°C
• Package / Case: 9-SIP
• Switch Type: High Side/Low Side
• Power Switch Family: FSFR1900
• Input Voltage: 400V
• Power Switch On Resistance: 740mOhm
• Number Of Outputs: Single
• Mounting: Through Hole
• Supply Current: 7mA
• Package Type: SIP
• Operating Temperature (min): -40C
• Operating Temperature (max): 130C
• Operating Temperature Classification: Automotive
• Pin Count: 9
• Power Dissipation: 11.8W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2007 Fairchild Semiconductor Corporation
FSFR series Rev.1.0.9
Application Circuit Diagram
Block Diagram
V
IN
C
DL
Figure 1. Typical Application Circuit (LLC Resonant Half-Bridge Converter)
V
CC
CON
CS
R
RT
sense
LVcc
Figure 2. Internal Block Diagram
Control
IC
SG
V
DL
PG
2
V
Cr
CTR
HV
CC
Lm
L
1.5 s
lk
μ
Np
Ns
Ns
D1
D2
KA431
C
F
www.fairchildsemi.com
R
F
Vo