Fairchild FSL116LR Data Handbook

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April 2012

FSL116LR Green Mode Fairchild Power Switch (FPS™) Features Description

 Internal Avalanche-Rugged Sense FET (650V) The FSL116LR integrated Pulse Width Modulator (PWM) and Sense FET is specifically designed for high-

 Under 50m W Standby Power Consumption at

performance offline Switch-Mode Power Supplies

265VAC, No-load Condition with Burst Mode

(SMPS) with minimal external components. FSL116LR  Precision Fixed Operating Frequency with includes integrated high-voltage power switching regulators that combine an avalanche-rugged

Frequency Modulation for Attenuating EMI

Sense FET with a current-mode PWM control block.

 Internal Startup Circuit

The integrated PWM controller includes: Under-Voltage

 Built-in Soft-Start: 20ms

Lockout (UVLO) protection, Leading-Edge Blanking  Pulse-by-Pulse Current Limiting (LEB), a frequency generator for EMI attenuation, an optimized gate turn-on/turn-off driver, Thermal

 Various Protections: Over-Voltage Protection

Shutdown (TSD) protection, and temperature-

(OVP), Overload Protection (OLP), Output-Short

compensated precision current sources for loop

Protection (OSP), Abnormal Over-Current

compensation and fault protection circuitry. The

Protection (AOCP), Internal Thermal Shutdown

FSL116LR offers good soft-start performance. When

Function with Hysteresis (TSD)

compared to a discrete MOSFET and controller or RCC switching converter solution, the FSL116LR reduces

 Auto-Restart Mode

total component count, design size, and weight; while

 Under-Voltage Lockout (UVLO) increasing efficiency, productivity, and system reliability.

This device provides a basic platform that is well suited

 Low Operating Current: 1.8m A

for the design of cost-effective flyback converters.

 Adjustable Peak Current Limit

Maximum Output Power(1)

Applications

230VAC ± 15%(2) 85-265VAC

 SMPS for VCR, STB, DVD, & DVCD Players

Open Open

Adapter(3) Adapter(3)

 SMPS for Home Appliance Frame Frame

 Adapter 11W 16W 10W 14W Notes: Related Resources 1. The junction temperature can limit the maximum output power.  AN-4137 — Design Guidelines for Off-line Flyback 2. 230VAC or 100/115VAC with doubler. Converters using FPS™ 3. Typical continuous power in a non-ventilated enclosed adapter measured at 50°C ambient.

 AN-4141 — Troubleshooting and Design Tips for Fairchild Power Switch (FPS™) Flyback Applications  AN-4147 — Design Guidelines for RCD Snubber of Flyback  Fairchild Power Supply Web Designer — Flyback Design & Simulation - In Minutes at No Expense

Ordering Information

Operating

Part Number Top Mark Package Packing Method

Temperature Range

FSL116LR -40 to 105°C FSL116LR 8-Lead, Dual Inline Package (DIP) Rail © 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com FSL116LR • Rev. 1.0.1