AP3783RCK6TR-G1 datasheet(5/17 Pages) DIODES

Part #	AP3783RCK6TR-G1

Description	PRIMARY SIDE REGULATED SWITCHING MODE POWER SUPPLY CONTROLLER

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Manufacturer	DIODES [Diodes Incorporated]

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5 / 17 page

AP3783R

Document number: DS37448 Rev. 5 - 2

5 of 17

www.diodes.com

October 2015

AP3783R

Electrical Characteristics (Cont.) (@V

CC=15V, TA=+25°

C, unless otherwise specified.)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

FREQUENCY JITTER

ΔV

CS/VCS

VCS Modulation

6.5% to 100% IO(MAX)

4.5

5

5.5

%

fMOD

VCS Modulation Frequency

3.6

4

4.4

kHz

CURRENT SENSE SECTION

VCS_H

Peak Current Sense Threshold

Voltage

37% to 100% IO(MAX)

828

900

972

mV

VCS_L

0% to 37% IO(MAX)

460

500

540

mV

RLINE

Built-in Line Compensation Resistor

(Note 7)

245

260

275



tLEB

Leading Edge Blanking

(Note 6)

400

500

600

ns

CONSTANT VOLTAGE SECTION

VFB

Feedback Threshold Voltage

Closed loop test of VOUT

3.95

4.01

4.07

V

RFB

FB Pin Input Resistance

VFB=4V

560

700

840

k



VCABLE/VOUT%

Cable Compensation Ratio

AP3783RA

7

8

9

%

AP3783RB

3

4

5

%

AP3783RC

1

2

3

%

CONSTANT CURRENT SECTION



tONS/tSW

Secondary Winding Conduction

Duty

VFB=4V

0.47

0.5

0.53

–



VALLEY-ON SECTION



tVAL-ON

Valid Off Time of Valley-on

From the end of tONS

14.4

16

17.6

μs



DYNAMIC SECTION



VTRIGGER

Trigger Voltage for Dynamic

Function

–

74

83

92

mV

tDELAY

Delay Time for Dynamic Function

From the end of tONS

115

128

141

μs

VUV_H

Under Voltage of FB Pin for VCS_H

–

3.82

3.89

3.96

V



tOFF(MAX)

Maximum Off Time

–

6

8

10

ms

PROTECTION FUNCTION SECTION

VFB(OVP)

Over Voltage Protection at FB Pin

–

7.1

7.5

7.9

V

VCC(OVP)

Over Voltage Protection at VCC Pin

–

28

30

32

V

tONP(MAX)

Maximum Turn-on Time

–

13

19

25

μs

VFB(SCP)

Short Circuit Protection

VFB @ Hiccup

2.45

2.6

2.75

V

tSCP

Maximum Time under VFB(SCP)

–

115

128

141

ms

TOTP

Shutdown Temperature

–

+126

+140

+154

ºC

THYS

Temperature Hysteresis

–

+36

+40

+44

ºC

Notes:

5. The output constant-current design value, generally set to 110% to 120% of full load.

6. Guaranteed by design.

7. Line compensation voltage on CS reference:

AUX

LINE

FB

LINE

REF

CS

V

R

V









1

_

438

.

0

Δ

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