FSFR1800XSL Fairchild Semiconductor, FSFR1800XSL Datasheet

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FSFR1800XSL

Manufacturer Part Number
FSFR1800XSL
Description
IC FPS PWR SWITCH 260W 9-SIPL
Manufacturer
Fairchild Semiconductor
Series
FPS™r
Datasheet

Specifications of FSFR1800XSL

Output Isolation
Isolated
Frequency Range
94kHz ~ 106kHz
Voltage - Input
9.6 V ~ 25 V
Voltage - Output
500V
Power (watts)
260W
Operating Temperature
-40°C ~ 130°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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© 2010 Fairchild Semiconductor Corporation
FSFR-XS Series • Rev.1.0.1
FSFR-XS Series —
for Half-Bridge Resonant Converters
Features
Applications
Ordering Information
Notes:
1.
2.
FSFR2100XSL
FSFR1800XSL
FSFR1700XSL
FSFR1600XSL
FSFR2100XS
FSFR1800XS
FSFR1700XS
FSFR1600XS
Part Number
Variable Frequency Control with 50% Duty Cycle
for Half-Bridge Resonant Converter Topology
High Efficiency through Zero Voltage Switching (ZVS)
Internal UniFET™ with Fast-Recovery Body Diode
Fixed Dead Time (350ns) Optimized for MOSFETs
Up to 300kHz Operating Frequency
Auto-Restart Operation for All Protections with
External LV
Protection Functions: Over-Voltage Protection
(OVP), Over-Current Protection (OCP), Abnormal
Over-Current Protection (AOCP), Internal Thermal
Shutdown (TSD)
PDP and LCD TVs
Desktop PCs and Servers
Adapters
Telecom Power Supplies
The junction temperature can limit the maximum output power.
Maximum practical continuous power in an open-frame design at 50°C ambient.
CC
L-Forming
Package
9-SIP
9-SIP
-40 to +130°C
Temperature
Operating
Junction
Fairchild Power Switch (FPS™)
R
DS(ON_MAX)
0.51Ω
0.95Ω
1.25Ω
1.55Ω
0.51Ω
0.95Ω
1.25Ω
1.55Ω
Description
The FSFR-XS series includes highly integrated power
switches
resonant converters. Offering everything necessary to
build a reliable and robust resonant converter, the FSFR-
XS series simplifies designs while improving productivity
and performance. The FSFR-XS 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
common-mode noise cancellation capability, which
guarantees
immunity. The fast-recovery body diode of the MOSFETs
improves
conditions, while minimizing the effect of reverse
recovery.
technique dramatically reduces the switching losses and
significantly improves efficiency. The ZVS also reduces
the switching noise noticeably, which allows a small-
sized Electromagnetic Interference (EMI) filter.
The FSFR-XS series can be applied to resonant
converter topologies such as series resonant, parallel
resonant, and LLC resonant converters.
Related Resources
AN4151 — Half-bridge LLC Resonant Converter Design
Using FSFR-Series Fairchild Power Switch (FPS
Maximum Output Power
(V
without Heatsink
IN
=350~400V)
designed
Using
reliability
180W
120W
100W
180W
120W
100W
stable
80W
80W
the
operation
(1,2)
for
against
zero-voltage-switching
high-efficiency
with
Power with Heatsink
abnormal
(V
Maximum Output
IN
=350~400V)
excellent
www.fairchildsemi.com
400W
260W
200W
160W
400W
260W
200W
160W
October 2010
half-bridge
operation
TM
)
(ZVS)
(1,2)
noise

Related parts for FSFR1800XSL

FSFR1800XSL Summary of contents

Page 1

... Telecom Power Supplies Ordering Information Part Number Package FSFR2100XS FSFR1800XS 9-SIP FSFR1700XS FSFR1600XS FSFR2100XSL FSFR1800XSL 9-SIP L-Forming FSFR1700XSL FSFR1600XSL 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. © 2010 Fairchild Semiconductor Corporation FSFR-XS Series • ...

Page 2

... Application Circuit Diagram Figure 1. Typical Application Circuit (LLC Resonant Half-Bridge Converter) Block Diagram © 2010 Fairchild Semiconductor Corporation FSFR-XS Series • Rev.1.0.1 Figure 2. Internal Block Diagram 2 www.fairchildsemi.com ...

Page 3

... This pin is the supply voltage of the control IC connection This is the supply voltage of the high-side gate-drive circuit IC This is the drain of the low-side MOSFET. Typically, a transformer is connected to this pin. CTR © 2010 Fairchild Semiconductor Corporation FSFR-XS Series • Rev.1.0.1 Figure 3. Package Diagram Description 3 www.fairchildsemi.com ...

Page 4

... 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. © 2010 Fairchild Semiconductor Corporation FSFR-XS Series • Rev.1.0.1 =25°C unless otherwise specified. A Parameter -V and V DL ...

Page 5

... Recovery Time Supply Section I Offset Supply Leakage Current Quiescent Quiescent Operating (RMS Value) Operating (RMS Value) © 2010 Fairchild Semiconductor Corporation FSFR-XS Series • Rev.1.0.1 Parameter Test Conditions I =200μ =200μ FSFR2100XS/L V =10V FSFR1800XS/L V =10V FSFR1700XS/L V =10V FSFR1600XS/L V =10V =0V Diode FSFR2100XS/L dI /dt=100A/μ ...

Page 6

... SD Dead-Time Control Section (7) D Dead Time T Notes: 6. This parameter, although guaranteed, is not tested in production. 7. These parameters, although guaranteed, are tested only in EDS (wafer test) process. © 2010 Fairchild Semiconductor Corporation FSFR-XS Series • Rev.1.0.1 (Continued) Test Conditions R =5.2KΩ +40kHz, SS OSC R =5.2KΩ ...

Page 7

... Temp ( Figure 6. High-Side V (HV CC 1.1 1.05 1 0.95 0.9 -50 - Temp ( Figure 8. Low-Side V ( © 2010 Fairchild Semiconductor Corporation FSFR-XS Series • Rev.1.0.1 =25ºC. A 1.1 1.05 0.95 0 100 O C) Figure 5. Switching Frequency vs. Temperature 1.1 1.05 0.95 0 100 Start vs. Temperature Figure 7. High-Side ...

Page 8

... Temp(℃) Figure 12. V vs. Temperature CssL 1.1 1.05 1 0.95 0.9 -50 - Temp ( Figure 14. OCP Voltage vs. Temperature © 2010 Fairchild Semiconductor Corporation FSFR-XS Series • Rev.1.0.1 (Continued) =25ºC. A 1.1 1.05 0.95 0 100 O C) 1.1 1.05 1 0.95 0 100 50 75 100 ...

Page 9

... R R min max © 2010 Fairchild Semiconductor Corporation FSFR-XS Series • Rev.1.0.1 Figure 17. Resonant Converter Typical Gain Curve increases. CTC To prevent excessive inrush current and overshoot of output voltage during startup, increase the voltage gain of the resonant converter progressively. Since the ...

Page 10

... STOP SS SS MIN The soft-start time, t can be set as Equation (4). s/s © 2010 Fairchild Semiconductor Corporation FSFR-XS Series • Rev.1.0 the resonant ( Protection Circuits: The FSFR-XS series has several self-protective functions, such as Over-Current Protection (OCP), Abnormal Over-Current Protection (AOCP), Over- Voltage Protection (OVP), and Thermal Shutdown (TSD). ...

Page 11

... sense Ids Figure 24. Full-Wave Sensing © 2010 Fairchild Semiconductor Corporation FSFR-XS Series • Rev.1.0.1 7. PCB Layout Guidelines: Duty imbalance problems CC may occur due to the radiated noise from the main transformer, the inequality of the secondary side leakage CC inductances of main transformer, and so on. This is one ...

Page 12

... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’ ...

Page 13

... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’ ...

Page 14

... Fairchild Semiconductor Corporation FSFR-XS Series • Rev.1.0.1 14 www.fairchildsemi.com ...

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