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FSL116LR

Green Mode Fairchild Power Switch (FPS™)

Fairchild Semiconductor 

April 2012

FSL116LR

Green Mode Fairchild Power Switch (FPS™)

Features

 Internal Avalanche-Rugged SenseFET (650V)

 Under 50mW Standby Power Consumption at

265VAC, No-load Condition with Burst Mode

 Precision Fixed Operating Frequency with

Frequency Modulation for Attenuating EMI

 Internal Startup Circuit

 Built-in Soft-Start: 20ms

 Pulse-by-Pulse Current Limiting

 Various Protections: Over-Voltage Protection

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

Protection (OSP), Abnormal Over-Current

Protection (AOCP), Internal Thermal Shutdown

Function with Hysteresis (TSD)

 Auto-Restart Mode

 Under-Voltage Lockout (UVLO)

 Low Operating Current: 1.8mA

 Adjustable Peak Current Limit

Applications

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

 SMPS for Home Appliance

 Adapter

Related Resources

 AN-4137 — Design Guidelines for Off-line Flyback

Converters using FPS™

 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 WebDesigner — Flyback

Design & Simulation - In Minutes at No Expense

Description

The FSL116LR integrated Pulse Width Modulator

(PWM) and SenseFET is specifically designed for high-

performance offline Switch-Mode Power Supplies

(SMPS) with minimal external components. FSL116LR

includes integrated high-voltage power switching

regulators that combine an avalanche-rugged

SenseFET with a current-mode PWM control block.

The integrated PWM controller includes: Under-Voltage

Lockout (UVLO) protection, Leading-Edge Blanking

(LEB), a frequency generator for EMI attenuation, 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. The

FSL116LR offers good soft-start performance. When

compared to a discrete MOSFET and controller or RCC

switching converter solution, the FSL116LR reduces

total component count, 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.

Maximum Output Power(1)

230VAC ± 15%(2)

85-265VAC

Adapter(3)

Open

Frame

Adapter(3)

Open

Frame

11W

16W

10W

14W

Notes:

1. The junction temperature can limit the maximum

output power.

2. 230VAC or 100/115VAC with doubler.

3. Typical continuous power in a non-ventilated

enclosed adapter measured at 50°C ambient.

Ordering Information

Part Number

Operating

Temperature Range

FSL116LR

-40 to 105°C

© 2010 Fairchild Semiconductor Corporation

FSL116LR • Rev. 1.0.1

Top Mark

Package

Packing Method

FSL116LR 8-Lead, Dual Inline Package (DIP)

Rail

www.fairchildsemi.com

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