Datasheet > UPSRB03

UPSRB03

更新时间： 2024-11-22 01:23:03

品牌	Logo	应用领域
友顺 - UTC		开关
页数	文件大小	规格书
7页	164K
描述
HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR

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UPSRB03 数据手册

UNISONIC TECHNOLOGIES CO., LTD

UPSRB03

Preliminary

LINEAR INTEGRATED CIRCUIT

HIGH PRECISION CC/CV

PRIMARY SIDE SWITCHING

REGULATOR



DESCRIPTION

The UTC UPSRB03 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 multi-mode operations to achieve

high performance and high efficiency. Device operations in PFM

in CC mode at large load condition and it operates in PWM with

frequency reduction at light/medium load which can cancel audio

noise.

The UTC UPSRB03 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 UPSRB03 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, V_DDover voltage

protection, feedback loop open protection, short circuit protection,

leading edge blanking, V_DDunder voltage lockout, etc.



FEATURES

* Multi-Mode control for cancel audio noise

* ±5% constant voltage regulation at universal AC input

* Primary side control without TL431 and opto-coupler

* Built-in leading edge blanking

* Driver soft start

* Built-in primary winding inductance

* High precision constant current regulation at universal AC input compensation

* Programmable CV and CC regulation

* Eliminates control loop compensation circuitry

* Flyback topology in DCM operation

* Driver BJT switch

* Open circuit protection

* Output over voltage protection

* V_DDover voltage protection

* Short circuit protection

* Built-in Line CC compensation



ORDERING INFORMATION

Ordering Number

Package

Packing

UPSRB03G-AF5-R

SOT25

Tape Reel

UPSRB03G-AF5-R

(1)Packing Type

(1) R: Tape Reel

(2) AF5: SOT-25

(2)Package Type

(3)Green Package

(3) G: Halogen Free and Lead Freee

www.unisonic.com.tw

1 of 7

QW-R129-020.a

12 3 4 5 6 7

中文翻译

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与UPSRB03相关器件

型号	品牌	获取价格	描述	数据表
UPSRB03G-AF5-R	UTC	获取价格	HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR
UPSRB04	UTC	获取价格	HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR
UPSRB04G-AF5-R	UTC	获取价格	HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR
UPSRB04L-AF5-R	UTC	获取价格	HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR
UPSS1650	UTC	获取价格	HIGH PRECISION CC/CV PRIMARY-SIDE PWM POWER SWITCH
UPSS1650G-D08-T	UTC	获取价格	HIGH PRECISION CC/CV PRIMARY-SIDE PWM POWER SWITCH
UPSS1650G-S08-R	UTC	获取价格	HIGH PRECISION CC/CV PRIMARY-SIDE PWM POWER SWITCH
UPSS1650L-D08-T	UTC	获取价格	HIGH PRECISION CC/CV PRIMARY-SIDE PWM POWER SWITCH
UPSS1650L-S08-R	UTC	获取价格	HIGH PRECISION CC/CV PRIMARY-SIDE PWM POWER SWITCH
UPSS3880	UTC	获取价格	three-rail simple power sequencer

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