Datasheet > UCSR3654

UCSR3654

更新时间： 2023-12-06 20:02:53

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
9页	221K
描述
high precision cc/cv primary-side pwm power s...

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数据手册

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UCSR3654 数据手册

UCSR3654

Preliminary

CMOS IC



ELECTRICAL CHARACTERISTICS (T_A=25°C, V_DD=15V, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN TYP MAX UNIT

SUPPLY SECTION

Turn-on Threshold Voltage

Turn-off Threshold Voltage

V_DDOVP Protection

V_TH(ON)

V_TH(OFF)

V_{DD_OVP}

I_DD-ST

13.5 14.5 16

8.2

10.5

Startup Current

μA

Operating Current

I_DD-OP

1.6

1.3

Green-Mode Operating Current

OSCILLATOR SECTION

Maximum Frequency

I_DD-GREEN

f_OSC

f_OSC-CM-MIN

f_OSC-N-MIN

△f/freq

t_FHR

kHz

Minimum Frequency at CCM

Minimum Frequency at No-load

Frequency Hopping Range

Frequency Hopping Period

INV SECTION

300

±5.0

Reference Voltage for EA

Reference Voltage for CCM

Max. Cable Compensation Current

CURRENT SENSE SECTION

Current Sense Threshold Voltage

OCP Propagation Delay

Leading Edge Blank Time

Soft Start Time

V_VR

1.97 2.00 2.03

V_{VR_CCM}

I_{CABLE_MAX}

0.5

V_CS

t_{D_OC}

t_LEB

t_SS

870 900 930 mV

900

200

POWER MOSFET SECTION

MOSFET DS Breakdown Voltage

On Resistance

B_VDSS

650

R_DS(ON)

1.6

Ω

OTP SECTION

Threshold Temperature of OTP (Note)

T_OTP

+140

°C

Note: When the over-temperature protection is activated, the power system enters auto restart mode and output is

disabled.

UNISONIC TECHNOLOGIES CO., LTD

5 of 9

QW-R129-006.c

www.unisonic.com.tw

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