Datasheet > FL103M

FL103M

更新时间： 2024-11-30 12:23:31

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		控制器
页数	文件大小	规格书
14页	1428K
描述
Primary-Side-Regulation PWM Controller for LED Illumination

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FL103M 数据手册

May 2012

FL103

Primary-Side-Regulation PWM Controller for

LED Illumination

Features

Description

Low Standby Power: < 30mW

This third-generation Primary-Side-Regulation (PSR)

and highly integrated PWM controller provides features

to enhance the performance of LED illumination.

High-Voltage Startup

Few External Component Counts

The proprietary topology, TRUECURRENT™, enables

precise CC regulation and simplified circuit for LED

illumination applications. The result is lower-cost and

smaller LED lighting compared to a conventional design

or a linear transformer.

Constant-Voltage (CV) and Constant-Current (CC)

Control without Secondary-Feedback Circuitry

Green-Mode: Linearly-Decreasing PWM Frequency

Fixed PWM Frequency at 50kHz and 33kHz with

Frequency Hopping to Solve EMI Problems

To minimize standby power consumption, the

proprietary green-mode function provides off-time

modulation to linearly decrease PWM frequency under

light-load conditions. Green mode assists the power

supply in meeting the power conservation requirements.

Peak-Current-Mode Control in CV Mode

Cycle-by-Cycle Current Limiting

V_DDOver-Voltage Protection (OVP)

V_DDUnder-Voltage Lockout (UVLO)

Adjustable Brownout Detector

By using the FL103, LED illumination can be

implemented with few external components and

minimized cost.

Gate Output Maximum Voltage Clamped at 15V

Thermal Shutdown (TSD) Protection

Available in the 8-Lead SOIC Package

Application Voltage Range: 80V_AC~ 308V_AC

Applications

Figure 1.

8-Lead SOIC

LED Illumination

Battery chargers for cellular phones, cordless

phones, PDA, digital cameras, power tools

Ordering Information

Operating

Temperature Range

Packing

Method

Part Number

Top Mark

Package

FL103M

-40°C to +125°C

FL103

8-Lead, Small-Outline Package (SOIC-8) Tape & Reel

FL103 • Rev. 1.0.1

www.fairchildsemi.com

12 3 4 5 6 7...14

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