Datasheet > AL9901FDF-13

AL9901FDF-13

更新时间： 2024-09-27 01:12:07

品牌	Logo	应用领域
美台 - DIODES		驱动高压
页数	文件大小	规格书
20页	681K
描述
UNIVERSAL HIGH VOLTAGE LED DRIVER

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中文翻译

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AL9901FDF-13 数据手册

AL9901

UNIVERSAL HIGH VOLTAGE LED DRIVER

Description

Pin Assignments

The AL9901, high-voltage PWM LED driver provides an efficient

solution for offline, high-brightness LED lamps for rectified line

voltages ranging from 85V_ACup to 305V_AC. The AL9901 has an

internal MOSFET that allows switching frequencies up to 300kHz,

with the switching frequency determined by an external single

resistor. The AL9901 topology creates a constant current through the

LEDs providing constant light output. The output current is

programmed by one external resistor.

The LED brightness can be varied by both Linear and PWM dimming,

using the AL9901’s LD and PWM pins respectively. The PWM input

operates with a duty ratio of 0-100% and a frequency of up to several

kHz.

U-DFN6040-12

The AL9901 is available in the thermally enhanced U-DFN6040-12

and SO-16 packages. The SO-16 is compliant to high voltage spacing

rules for 230VAC mains applications.

Features

•

>90% Efficiency

Universal Rectified 85 to 305V_ACInput Range

Internal MOSFET Up to 650V, 2A

High Switching Frequency Up to 300kHz

Internal Voltage Regulator Removes Start-Up Resistor

7.5V Regulated Output

SO-16

Tighter Current Sense Tolerance Better Than 5%

LED Brightness Control with Linear and PWM Dimming

Internal Over-Temperature Protection (OTP)

U-DFN6040-12 and SO-16 Packages

Applications

•

LED Offline Lamps

High Voltage DC-DC LED Driver

Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

Halogen and Antimony Free. “Green” Device (Note 3)

Signage and Decorative LED Lighting

Back Lighting of Flat Panel Displays

General Purpose Constant Current Source

Notes:

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.

2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

Typical Applications Circuit

1 of 20

www.diodes.com

March 2015

AL9901

Document number: DS37713 Rev. 1 - 2

12 3 4 5 6 7...20

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