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What is FSFR1800L?

This electronic component, produced by the manufacturer "Fairchild Semiconductor", performs the same function as "Power Switch".


FSFR1800L Datasheet PDF - Fairchild Semiconductor

Part Number FSFR1800L
Description Power Switch
Manufacturers Fairchild Semiconductor 
Logo Fairchild Semiconductor Logo 


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June 2010
FSFR-Series — Fairchild Power Switch (FPS™)
for Half-Bridge Resonant Converters
Features
ƒ Variable Frequency Control with 50% Duty Cycle
for Half-bridge Resonant Converter Topology
ƒ High Efficiency through Zero Voltage Switching (ZVS)
ƒ Internal UniFET™s with Fast-Recovery Type Body
Diode (trr<160ns).
ƒ Fixed Dead Time (350ns) Optimized for MOSFETs
ƒ Up to 300kHz Operating Frequency
ƒ Pulse Skipping for Frequency Limit (Programmable)
at Light-Load Condition
ƒ Remote On/Off Control Using Control Pin
ƒ Protection Functions: Over-Voltage Protection
(OVP), Over-Load Protection (OLP), Over-Current
Protection (OCP), Abnormal Over-Current Protection
(AOCP), Internal Thermal Shutdown (TSD)
Applications
ƒ PDP and LCD TVs
ƒ Desktop PCs and Servers
ƒ Adapters
ƒ Telecom Power Supplies
ƒ Audio Power Supplies
Description
The FSFR-series include highly integrated power
switches designed for high-efficiency half-bridge
resonant converters. Offering everything necessary to
build a reliable and robust resonant converter, the FSFR-
series simplifies designs and improves productivity, while
improving performance. The FSFR-series combines
power MOSFETs with fast-recovery type body diodes, a
high-side gate-drive circuit, an accurate current
controlled oscillator, frequency limit circuit, soft-start, and
built-in protection functions. The high-side gate-drive
circuit has a common-mode noise cancellation capability,
which guarantees stable operation with excellent noise
immunity. The fast-recovery body diode of the MOSFETs
improves reliability against abnormal operation
conditions, while minimizing the effect of the reverse
recovery. Using the zero-voltage-switching (ZVS)
technique dramatically reduces the switching losses and
efficiency is significantly improved. The ZVS also
reduces the switching noise noticeably, which allows a
small-sized Electromagnetic Interference (EMI) filter.
The FSFR-series can be applied to various resonant
converter topologies, such as: series resonant, parallel
resonant, and LLC resonant converters.
Related Resources
AN-4151 — Half-Bridge LLC Resonant Converter Design
Using FSFR-Series Fairchild Power Switch (FPS)
Ordering Information
Part
Number
Package
Operating
Junction
RDS(ON_MAX)
Temperature
Maximum Output Power
without Heatsink
(VIN=350~400V) (1,2)
FSFR2100U
0.51Ω
180W
FSFR2000
0.67Ω
160W
FSFR1900
FSFR1800
9-SIP
0.85Ω
0.95Ω
140W
120W
FSFR1700
-40 to +130°C
1.25Ω
100W
FSFR1600
1.55Ω
80W
FSFR1800L
0.95Ω
120W
FSFR1700L 9-SIP(L-Forming)
1.25Ω
100W
FSFR1600L
1.55Ω
80W
Notes:
1. The junction temperature can limit the maximum output power.
2. Maximum practical continuous power in an open-frame design at 50°C ambient.
© 2007 Fairchild Semiconductor Corporation
FSFR series Rev.1.0.9
Maximum Output
Power with Heatsink
(VIN=350~400V)(1,2)
400W
350W
300W
260W
200W
160W
260W
200W
160W
www.fairchildsemi.com

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FSFR1800L equivalent
Absolute Maximum Ratings (Continued)
Symbol
Parameter
Min.
Max.
Unit
MOSFET Section (Continued)
ID Continuous Drain Current
Package Section
FSFR2100U
FSFR2000
FSFR1900
FSFR1800
FSFR1700
FSFR1600
TC=25°C
TC=100°C
TC=25°C
TC=100°C
TC=25°C
TC=100°C
TC=25°C
TC=100°C
TC=25°C
TC=100°C
TC=25°C
TC=100°C
10.5
6.5
9.5
6.0
8.0
5.0
A
7.0
4.5
6.0
3.9
4.5
2.7
Torque Recommended Screw Torque
5~7 kgf·cm
Notes:
3. Per MOSFET when both MOSFETs are conducting.
4. The maximum value of the recommended operating junction temperature is limited by thermal shutdown.
5. Pulse width is limited by maximum junction temperature.
Thermal Impedance
TA=25°C unless otherwise specified.
Symbol
Parameter
θJC
Junction-to-Case Center Thermal Impedance
(Both MOSFETs Conducting)
FSFR2100U
FSFR2000
FSFR1900
FSFR1800
FSFR1700
FSFR1600
Value
10.44
10.44
10.56
10.68
10.79
10.89
Unit
ºC/W
© 2007 Fairchild Semiconductor Corporation
FSFR series Rev.1.0.9
5
www.fairchildsemi.com


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for FSFR1800L electronic component.


Information Total 18 Pages
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