U3848-S08-R datasheet(12/13 Pages) UTC

12 / 13 page

U3848/A/B/C

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

12 of 13

www.unisonic.com.tw

QW-R103-033,B

TYPICAL CHARACTERISTICS(Cont.)

120mV

3.86V

1.64kHz

850Hz

Ch1 max

6.00V

Ch1 min

460mV

Ch1 frequency

785.5Hz

M 400μsA Ch1 ∫

3.18V

1.00V

Ch1

60.0mV

3.30V

3.29kHz

1.70kHz

Ch1 max

5.90V

Ch1 min

40.0mV

Ch1 frequency

1.906kHz

M 200μ s A Ch1 ∫

2.68V

1.00V

Ch1

Feedback Voltage During Loadjump From10%

Up To 100% Load (VDCIN=120V)

Feedback Voltage During Loadjump From10%

Up To 100% Load (VDCIN=350V)

12.3V

Ch1 max

5.04V

Ch1 min

1.32V

Ch1 frequency

-----Hz

M 10.0ms A Ch1 ∫

3.16V

2.00V

Ch1

Startup With Full Load Condition At VDCIN=120V,

Vc4 and Vout

VC4

VOUT

5.00V

Ch2

12.3V

Ch1 max

5.04V

Ch1 min

-120mV

Ch1 frequency

-----Hz

M 10.0ms A Ch1 ∫

3.16V

2.00V

Ch1

Startup With Full Load Condition At VDCIN=350V,

Vc4 and Vout

VC4

VOUT

5.00V

Ch2

120mV

12.3V

M 4.00 ms A Ch3 ∫

4.96V

2.00V

Ch1

Startup Behavior At Nominal Load Condition VDCIN=120 V

VC4

VSS

2.00V

Ch2

2.00V

Ch3

357Hz

21.2Hz

VFB

240mV

12.0V

M 4.00ms A Ch3 ∫

4.96V

2.00V

Ch1

Startup Behavior At Nominal Load Condition VDCIN=350V

VC4

VSS

2.00V

Ch2

2.00V

Ch3

1.79kHz

147Hz

VFB

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