Product Summary

The FSFR1700L is a failchild power switch for half-bridge resonant converter. Its applications include PDP and LCD TVs,ƒ Desktop PCs and Servers,ƒ Adapters,ƒ Telecom Power Supplies,ƒ Audio Power Supplies. Offering everything necessary to build a reliable and robust resonant converter, the FSFRseries simplifies designs and improves productivity, while improving performance.

Parametrics

FSFR1700L absolute maximum ratings: (1)Maximum drain-to-source voltage: 500V; (2)low-side supply voltage: 25V; (3)high-side floating supply voltage: 525V; (4)current sense pin input voltage: 1V; (5)pin input voltage: 5V; (6)allowable low-side MOSFET drain voltage slew rate: 50V/ns.

Features

FSFR1700L features: (1)Variable Frequency Control with 50% Duty Cycle for Half-bridge Resonant Converter Topology; (2)High Efficiency through Zero Voltage Switching (ZVS); (3)Internal UniFET&#8482;s with Fast-Recovery Type Body Diode (trr<160ns) (4)Fixed Dead Time (350ns) Optimized for MOSFETs; (5)Up to 300kHz Operating Frequency; (6)Pulse Skipping for Frequency Limit (Programmable) at Light-Load Condition; (7)Remote On/Off Control Using Control Pin.

Diagrams

FSFR1700L block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
FSFR1700L
FSFR1700L

Fairchild Semiconductor

Switching Converters, Regulators & Controllers Pwr Switch for Half- Brdg Resonant Cnvrtr

Data Sheet

0-190: $1.85
190-250: $1.67
250-500: $1.51
500-1000: $1.27
Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
FSFR1600
FSFR1600

Fairchild Semiconductor

Switching Converters, Regulators & Controllers Fairchild Pwr Switch for HlfBrdg Res Cnvt

Data Sheet

Negotiable 
FSFR1600L
FSFR1600L

Fairchild Semiconductor

Switching Converters, Regulators & Controllers HIGH POWER FPS

Data Sheet

Negotiable 
FSFR1600XS
FSFR1600XS

Fairchild Semiconductor

Switching Converters, Regulators & Controllers 160W Power Switch

Data Sheet

0-1: $1.88
1-25: $1.69
25-100: $1.54
100-250: $1.39
FSFR1600XSL
FSFR1600XSL

Fairchild Semiconductor

Switching Converters, Regulators & Controllers 160W Fairchild Power Switch

Data Sheet

0-1: $2.10
1-10: $1.87
10-100: $1.54
100-250: $1.39
FSFR1700
FSFR1700

Fairchild Semiconductor

Switching Converters, Regulators & Controllers Power Switch for Half-Bridge Resonant

Data Sheet

0-1: $2.83
1-25: $2.42
25-100: $2.20
100-250: $1.99
FSFR1700HS
FSFR1700HS

Fairchild Semiconductor

Power Driver ICs HI POWER FPS

Data Sheet

0-1: $2.04
1-25: $1.63
25-100: $1.27
100-250: $1.21