Datasheet > UCSR3652SG-S08-R

UCSR3652SG-S08-R

更新时间： 2024-09-20 01:12:03

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
10页	332K
描述
CMOS IC

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数据手册

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UCSR3652SG-S08-R 数据手册

UNISONIC TECHNOLOGIES CO., LTD

UCSR3652S

CMOS IC

HIGH PRECISION CC/CV

PRIMARY-SIDE PWM POWER

SWITCH

DIP-7A

SOP-8



DESCRIPTION

The UTC UCSR3652S is a primary control switch mode

charger and adapter applications. The controlled variable is

transferred by an auxiliary winding from the secondary to the

primary side. The device integrates PWM controller to enhance

the performance of discontinuous conduction mode (DCM)

flyback converters.

The UTC UCSR3652S operates in primary-side sensing and

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

provides off-time modulation to linearly decrease PWM frequency

under light-load conditions so that low standby power can be

achieved.

The UTC UCSR3652S 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, V_DDover voltage protection, V_DD

clamp, OTP, leading edge blanking, V_DDunder voltage lockout,

etc.



FEATURES

* High voltage startup circuit

* Built-in leading edge blanking

* Built-in primary winding inductance

compensation

* Built-in 650V Power MOSFET

* ±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

* Programmable cable compensation in CV mode

* Flyback topology in DCM operation

* Power on soft start

* Gate Output Maximum Voltage Clamped at 15V

* Cycle-by-cycle current limiting

* Over voltage protection

* V_DDunder-voltage lockout

* Frequency hopping to reduce system EMI



ORDERING INFORMATION

Ordering Number

Lead Free

Package

Packing

Halogen Free

UCSR3652SL-D07A-T

UCSR3652SG-D07A-T

UCSR3652SG-S08-R

DIP-7A

SOP-8

Tube

Tape Reel

UCSR3652SL-D07A-T

(1) T: Tube, R: Tape Reel

(1)Packing Type

(2)Package Type

(3)Green Package

(2) D07A: DIP-7A, S08: SOP-8

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

www.unisonic.com.tw

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