FSQ500N

Datasheet Buy Sample

Green Mode Fairchild Power Switch (FPS)

General Description

The FSQ500N is specially designed for low cost, small set-top box, DSL, home appliance auxiliary power supplies. This device combines a current-mode Pulse Width Modulator (PWM) with a SenseFET. The integrated PWM controller features include: a fixed oscillator, Under-Voltage Lockout (UVLO) protection, Overload Protection (OLP), Leading-Edge Blanking (LEB), an optimized gate turn-on/turn-off driver, Thermal Shutdown (TSD) protection with hysteresis, and temperature-compensated precision-current sources for loop compensation. When compared to a linear power supply, the FSQ500N reduces total size and weight, while increasing efficiency, productivity, and system reliability. This device provides a basic platform for cost-effective flyback converters.

Product Status/Pricing/Packing

Fairchild 1,000 piece Budgetary Pricing. *
If there is no sample button displayed at the top of the page, please contact one of the Fairchild distributors or your local sales office to obtain samples.
Top mark packaging information for product FSQ500N is available. **

Product	Product Status	Eco Status	*Pricing	Package Type	Leads	Packing Method	Package Drawing	**Package Marking Convention	RoHS IPC1752	RoHS/REACH/JIG Certificate of Compliance
FSQ500N	Full Production	ROHS Compliant	$0.5	DIP	8	RAIL		Line 1:$Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2:FSQ500N

Customer qualification data for the FSQ500N

Features

Single-Chip 700V SenseFET Power Switch
Precision Fixed Operating Frequency: 130kHz
No-Load Consumption 250mW at 265V_AC with Burst Mode
Internal Startup Switch
Soft-Start Time Tuned by External Capacitor
Under-Voltage Lockout (UVLO) with Hysteresis
Pulse-by-Pulse Current Limit
Overload Protection (OLP) and Internal Thermal Shutdown Function (TSD) with Hysteresis
Auto-Restart Mode
No Need for Auxiliary Bias Winding