Datasheet > UCSR3602SG-D07A-T

UCSR3602SG-D07A-T

更新时间： 2024-09-20 01:16:55

品牌	Logo	应用领域
友顺 - UTC		/
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9页	258K
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UNISONIC TECHNOLOGIES CO., LTD

UCSR3602S

Preliminary

CMOS IC

HIGH PRECISION CC/CV

PRIMARY-SIDE PWM POWER

SWITCH



DESCRIPTION

The UTC UCSR3602S 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.

DIP-7A

The UTC UCSR3602S 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 UCSR3602S 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

* Built-in leading edge blanking

* Built-in primary winding inductance

compensation

* High voltage startup circuit

* Built-in 600V 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

DIP-7A

Packing

Tube

Halogen Free

UCSR3602SL-D07A-T

UCSR3602SG-D07A-T

www.unisonic.com.tw

1 of 9

QW-R129-016.a

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