FSFR1800L Fairchild Semiconductor, FSFR1800L Datasheet

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FSFR1800L

Manufacturer Part Number
FSFR1800L
Description
IC FPS POWER SWITCH 9-SIP
Manufacturer
Fairchild Semiconductor
Series
FPS™r
Datasheet

Specifications of FSFR1800L

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
9-SIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
FSFR1800L
Manufacturer:
FAIRCHILD
Quantity:
8 000
© 2007 Fairchild Semiconductor Corporation
FSFR series Rev.1.0.9
FSFR-Series —
for Half-Bridge Resonant Converters
Features
Applications
Ordering Information
Notes:
1.
2.
FSFR2100U
FSFR1800L
FSFR1700L
FSFR1600L
FSFR2000
FSFR1900
FSFR1800
FSFR1700
FSFR1600
Number
Variable Frequency Control with 50% Duty Cycle
for Half-bridge Resonant Converter Topology
High Efficiency through Zero Voltage Switching (ZVS)
Internal UniFET™s with Fast-Recovery Type Body
Diode (t
Fixed Dead Time (350ns) Optimized for MOSFETs
Up to 300kHz Operating Frequency
Pulse Skipping for Frequency Limit (Programmable)
at Light-Load Condition
Remote On/Off Control Using Control Pin
Protection Functions: Over-Voltage Protection
(OVP), Over-Load Protection (OLP), 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
Audio Power Supplies
The junction temperature can limit the maximum output power.
Maximum practical continuous power in an open-frame design at 50°C ambient.
Part
rr
<160ns).
9-SIP(L-Forming)
Package
9-SIP
Temperature
-40 to +130°C
Operating
Junction
Fairchild Power Switch (FPS™)
R
DS(ON_MAX)
0.51Ω
0.67Ω
0.85Ω
0.95Ω
1.25Ω
1.55Ω
0.95Ω
1.25Ω
1.55Ω
Description
The FSFR-series include highly integrated power
switches
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
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
conditions, while minimizing the effect of the reverse
recovery.
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
Maximum Output Power
(V
without Heatsink
IN
=350~400V)
designed
gate-drive
Using
reliability
180W
160W
140W
120W
100W
120W
100W
80W
80W
the
(1,2)
for
circuit,
against
zero-voltage-switching
high-efficiency
Power with Heatsink
an
(V
Maximum Output
abnormal
IN
=350~400V)
accurate
400W
350W
300W
260W
200W
160W
260W
200W
160W
www.fairchildsemi.com
June 2010
half-bridge
operation
)
current
(1,2)
(ZVS)

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FSFR1800L Summary of contents

Page 1

... Part Package Number FSFR2100U FSFR2000 FSFR1900 9-SIP FSFR1800 FSFR1700 FSFR1600 FSFR1800L FSFR1700L 9-SIP(L-Forming) FSFR1600L 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 Fairchild Power Switch (FPS™ ...

Page 2

... Application Circuit Diagram Figure 1. Typical Application Circuit (LLC Resonant Half-Bridge Converter) Block Diagram © 2007 Fairchild Semiconductor Corporation FSFR series Rev.1.0 LVcc Control CON IC V CTR sense Figure 2. Internal Block Diagram KA431 μ 1.5 s www.fairchildsemi.com ...

Page 3

... LV 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 © 2007 Fairchild Semiconductor Corporation FSFR series Rev.1.0 LVcc CTR DL T CON ...

Page 4

... Storage Temperature Range STG MOSFET Section V Drain Gate Voltage (R DGR V Gate Source (GND) Voltage GS I Drain Current Pulsed DM © 2007 Fairchild Semiconductor Corporation FSFR series Rev.1.0.9 =25°C unless otherwise specified. A Parameter -V and V DL CTR Pin to Low-Side Drain Voltage FSFR2100U FSFR2000 FSFR1900 ...

Page 5

... 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 T =25°C unless otherwise specified. A Symbol Junction-to-Case Center Thermal Impedance θ JC (Both MOSFETs Conducting) © 2007 Fairchild Semiconductor Corporation FSFR series Rev.1.0.9 (Continued) Parameter T =25°C C FSFR2100U T =100° =25° ...

Page 6

... Recovery Time Supply Section I Offset Supply Leakage Current Quiescent Quiescent Operating (RMS Value) Operating (RMS Value) © 2007 Fairchild Semiconductor Corporation FSFR series Rev.1.0.9 Test Conditions I =200μ =200μ FSFR2100U V =10V, I =6. FSFR2000 V =10V, I =5. FSFR1900 V =10V, I =4. FSFR1800 V =10V, I =3.0A GS ...

Page 7

... Voltage 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. © 2007 Fairchild Semiconductor Corporation FSFR series Rev.1.0.9 (Continued) Test Conditions R =5.2KΩ +40kHz OSC ...

Page 8

... Temperature 1.1 1.05 1 0.95 0.9 -50 - Temp ( C) Figure 6. High-Side V vs. Temperature 1.1 1.05 1 0.95 0.9 -50 - Temp ( O Figure 8. Low-Side V vs. Temperature © 2007 Fairchild Semiconductor Corporation FSFR series Rev.1.0.9 =25ºC. A 1.1 1.05 0.95 0 100 C) Figure 5. 1.1 1.05 1 0.95 0 100 (HV ) Start CC CC 1.1 1.05 1 ...

Page 9

... O Temp ( Figure 12. LV OVP Voltage vs. Temperature CC 1.1 1.05 1 0.95 0.9 -50 - Temp ( O Figure 14. CON Pin Enable Voltage vs. Temperature © 2007 Fairchild Semiconductor Corporation FSFR series Rev.1.0.9 (Continued) =25ºC. A 1.1 1.05 1 0.95 0 100 C) 1.1 1.05 1 0.95 0 100 C) 1.1 1.05 1 0.95 ...

Page 10

... ZVS region. The output voltage can be regulated by modulating the switching frequency. Figure 19 shows the typical circuit configuration for R coupler transistor is connected to the R the switching frequency. © 2007 Fairchild Semiconductor Corporation FSFR series Rev.1.0.9 Gain Dead time time Figure 18. Resonant Converter Typical Gain Curve ...

Page 11

... SKIP = + min max © 2007 Fairchild Semiconductor Corporation FSFR series Rev.1.0.9 + kHz ) ( the resonant O (4) Remote On / Off: When an auxiliary power supply is used for standby, the main power stage using FSFR- series can be shut down by pulling down the control pin voltage, as shown in Figure 23. R1 and C1 are used to ensure soft-start when switching resumes ...

Page 12

... I − π minimize power dissipation, a capacitive voltage divider is generally used for capacitor voltage sensing, as shown in Figure 26. © 2007 Fairchild Semiconductor Corporation FSFR series Rev.1.0 sense CON Ns 5. Protection Circuits: The FSFR-series has several self-protective functions, such as Overload Protection ...

Page 13

... sense p-p where V is the amplitude of the resonant capacitor Cr voltage. © 2007 Fairchild Semiconductor Corporation FSFR series Rev.1.0.9 this protection is 5.4 Over-Voltage Protection (OVP): When the LV reaches 23V, OVP is triggered. This protection is used is when auxiliary winding of the transformer to supply FPS™ is utilized. ...

Page 14

... FPS™ Device LCD TV FSFR2100U Features High efficiency ( >94% at 400V Reduced EMI noise through zero-voltage-switching (ZVS) Enhanced system reliability with various protection functions © 2007 Fairchild Semiconductor Corporation FSFR series Rev.1.0.9 Input Voltage Range 400V (20ms Hold-up Time) input) DC Figure 29. Typical Application Circuit ...

Page 15

... Pins (S F) → 8 → → → Primary-Side Inductance ( Primary-Side Effective Leakage (L © 2007 Fairchild Semiconductor Corporation FSFR series Rev.1.0.9 (Continued Figure 30. Transformer Construction Wire 0.12φ×30 (Litz Wire) 0.1φ×100 (Litz Wire) 0.1φ×100 (Litz Wire) Pins Specifications 630 μ ...

Page 16

... 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 17

... 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 18

... Fairchild Semiconductor Corporation FSFR series Rev.1.0.9 18 www.fairchildsemi.com ...

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