Datasheet > USL2500G-S08-R

USL2500G-S08-R

更新时间： 2024-10-15 01:11:39

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
8页	232K
描述
HIGH PRECISION NON-ISOLATED POWER SWITCH

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数据手册

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USL2500G-S08-R 数据手册

UNISONIC TECHNOLOGIES CO., LTD

USL250X

CMOS IC

HIGH PRECISION

NON-ISOLATED POWER

SWITCH

DIP-8



DESCRIPTION

USL250X offers comprehensive protection coverage with

auto-recovery features including LED string short circuit protection,

cycle-by-cycle current limiting, built-in leading edge blanking, V_DD

under voltage lockout (UVLO), over temperature protection(OTP),

etc.

Cycle-by-Cycle current limiting is offered in USL250X. The

switch current is detected by a sense resistor into the CS pin. An

internal leading edge blanking circuit chops off the sensed voltage

spike at initial power MOSFET on state so that the external RC

filtering on sense input is no longer needed.

SOP-8

It is a high current precision, non-isolated power switch for LED

lighting. It works under transition mode. The LED lighting system

design by eliminating the auxiliary winding inductance and works

under low current. A 500V power switch is also integrated into the

device. The LED current can be adjusted externally by the sense

resistor Rs at CS pin and high precision constant current

regulation is realized.



FEATURES

* High precision constant current regulation at universal

AC input

* Transition mode operation

* LED string short circuit protection

* Support system application with PF>0.7 and no flicking * Cycle-by-Cycle current limiting

* Sense and supply without auxiliary winding inductance * Built-in Leading Edge Blanking (LEB)

* Low system cost and high efficiency

* Low operation current

* V_DDUnder Voltage Lockout with Hysteresis

* Over temperature protection (OTP)

* Programmable CC regulation



ORDERING INFORMATION

Ordering Number

Lead Free

Package

Packing

Halogen Free

USL2500L-S08-R

USL2502L-D08-T

USL2500G-S08-R

USL2502G-D08-T

SOP-8

DIP-8

Tape Reel

Tube

www.unisonic.com.tw

1 of 8

QW-R103-155.B

12 3 4 5 6 7 8

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