Datasheet > UPSR100G-S08-R

UPSR100G-S08-R

更新时间： 2024-11-22 01:10:07

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
6页	170K
描述
HIGH PRECISION CC/CV PRIMARY SIDE REGULATOR

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数据手册

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UPSR100G-S08-R 数据手册

UNISONIC TECHNOLOGIES CO., LTD

UPSR100

Preliminary

CMOS IC

HIGH PRECISION CC/CV

PRIMARY SIDE REGULATOR

DESCRIPTION

The UTC UPSR100 is a primary control unit for switch mode

charger and adapter applications. The controlled variable is

transferred by an auxiliary winding from the secondary to the

primary side. The device uses Pulse Frequency Modulation (PFM)

method to build discontinuous conduction mode (DCM) flyback

power supplies.

SOP-8

The UTC UPSR100 operates in primary-side sensing and

regulation. Opto-coupler and TL431 could be eliminated. It also

eliminates the need of loop compensation circuitry while

maintaining stability.

The UTC UPSR100 achieves high precision CV/CC regulation

and high power efficiency. It offers comprehensive protection

coverage with auto-recovery features including Cycle-by-cycle

current limiting, output over voltage protection, feedback loop open

protection, short circuit protection, leading edge blanking, V_CC

under voltage lockout, etc.

FEATURES

* Driver BJT switch

* ±5% constant voltage regulation at universal AC input

* High precision constant current regulation at universal AC input

* Primary side control without TL431 and opto-coupler

* Programmable CV and CC regulation

* Eliminates control loop compensation circuitry

* Flyback topology in DCM operation

* Built-in leading edge blanking

* Built-in primary winding inductance

compensation

* Open circuit protection

* Over voltage protection

* Short circuit protection

* Random frequency modulation to reduce system EMI

ORDERING INFORMATION

Ordering Number

Lead Free

Package

Packing

Halogen Free

UPSR100L-S08-T

UPSR100L-S08-R

UPSR100G-S08-T

UPSR100G-S08-R

SOP-8

Tube

Tape Reel

UPSR100L-S08-R

(1)Packing Type

(1) T: Tube, R: Tape Reel

(2) S08: SOP-8

(2)Package Type

(3)Halogen Free

(3) L: Lead Free, G: Halogen Free

www.unisonic.com.tw

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