Datasheet > UPSL100

UPSL100

更新时间： 2024-11-19 01:15:11

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
7页	173K
描述
HIGH PRECISION CC PRIMARY-SIDE LED CONTROLLER

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数据手册

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UPSL100 数据手册

UNISONIC TECHNOLOGIES CO., LTD

UPSL100

Preliminary

LINEAR INTEGRATED CIRCUIT

HIGH PRECISION CC

PRIMARY-SIDE LED

CONTROLLER



DESCRIPTION

The UTC UPSL100 is a high performance offline PSR controller

for LED lighting, which can achieve accurate LED current and low

system cost for an isolated lighting application in a single stage

converter. Consequently, opto-coupler and TL431 could be

eliminated. Constant Current (CC) control is intergrated as shown

in the figure below.

SOT-25

In CC control, the current can be adjusted externally by the

sense resistor R_Sat CS pin. The chip consumes low start up

current and very low operation current (typical 350μA), it can

achieve high efficiency and low standby power consumption.

The UTC UPSL100 offers comprehensive protection coverage

with auto-recovery features including open loop protection, short

circuit protection, cycle-by-cycle current limiting, V_DDover voltage

protection, built-in leading edge blanking, V_DDunder voltage

lockout (UVLO), etc.



FEATURES

* Primary-side sensing and regulation without TL431 and

opto-coupler

* High precision constant current regulation at universal AC input

* Low system cost and high efficiency

* Built-in primary winding inductance compensation

* Programmable CC regulation

* Short circuit protection

* Ultra low start-up current (Typ. 1μA)

* Open loop protection

* Built-in leading edge blanking (LEB)

* Cycle-by-cycle current limiting

* V_DDunder voltage lockout with hysteresis

* V_DDover voltage protection

* Drivability for BJT switch



ORDERING INFORMATION

Ordering Number

Lead Free

Package

SOT-25

Packing

Halogen Free

UPSL100G-AF5-R

UPSL100-AF5-R

Tape Reel

www.unisonic.com.tw

1 of 7

QW-R125-028.a

12 3 4 5 6 7

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