FSDM311A − SMPS Power Switch, 0.575A, 650V, 8DIP (Green)

The FSDM311A consists of an integrated Pulse Width Modulator (PWM) and SenseFET, and is specifically designed for high-performance, off-line, Switch-Mode Power Supplies (SMPS) with minimal external components. This device is an integrated high-voltage power switching regulator that combines a VDMOS SenseFET with a voltage-mode PWM control block. The integrated PWM controller features include a fixed oscillator, Under-Voltage Lockout (UVLO) protection, Leading-Edge Blanking (LEB), an optimized gate turn-on/turn-off driver, Thermal Shutdown (TSD) protection, and temperature-compensated precision-current sources for loop compensation and fault protection circuitry. When compared to a discrete MOSFET and controller or RCC switching converter solution, the FSDM311A device reduces total component count and design size and weight, while increasing efficiency, productivity, and system reliability. This device provides a basic platform that is well suited for the design of cost-effective flyback converters.

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Product Status/Pricing/Packaging

Index	Product	Product & Eco Status	*Pricing	Packaging & Packing Info	**Package Marking Convention	Qualification Support	Compliance Certificates
0	FSDM311A	Full Production ROHS Compliant	$0.51	MDIP 8L Details MDIP 8L Drawing RAIL	Line 1:$Y (Fairchild logo) &Z (Plant Code) &2 (2-Digit Date Code) &K Line 2:DM311A	RTHETA (JA) : 88.94 °C/W R_ƟJC : 13.94 °C/W Moisture Sensitivity Level (MSL) : NA Show more... Max Reflow Temp : 999	RoHS IPC1752 RoHS/REACH/JIG RoHS/REACH/JIG

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 FSDM311A is available. **

Features

Internal Avalanche-Rugged SenseFET
Precision Fixed Operating Frequency: 67KHz
Consumes Under 0.2W at 265V_AC & No Load with Advanced Burst-Mode Operation
Internal Start-up Circuit
Pulse-by-Pulse Current Limiting
Over-Voltage Protection (OVP)
Overload Protection (OLP)
Internal Thermal Shutdown Function (TSD)
Auto-Restart Mode
Under-Voltage Lockout (UVLO) with Hysteresis
Built-in Soft-Start
Secondary-Side Regulation

Applications

Motion Control - Home Appliance

Motion Control - Industrial Motor

Smart Grid

Smart Meter

Additional Resources

Design Tools Knowledgebase – Ask a Question Find a local sales office Product change notices (PCN) How to Buy Products or Order Samples

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