LD7830GS datasheet(5/18 Pages) LEADTREND

номер детали	LD7830GS

подробное описание детали	High Power Factor Flyback LED Controller with HV Start-up

PDF	18 Pages

Scroll/Zoom	100%

производитель	LEADTREND [Leadtrend Technology]

домашняя страница	https://www.leadtrend.com.tw/

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LD7830

Leadtrend Technology Corporation

www.leadtrend.com.tw

LD7830-DS-01a

August 2012

Electrical Characteristics

(VCC=15.0V, TA = 25C unless otherwise specified.)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

High voltage Supply(HV Pin)

High-voltage current Source

VCC=4V , HV=80V

1.0

1.3

1.6

VCC=9V,HV=80V

2.6

3.1

3.6

Off-state Leakage current

VCC>UVLO(ON), HV=500V

A

Supply Voltage (VCC Pin)

Startup Current

VCC<UVLO ON

A

Operating Current

(with 1nF load on OUT pin)

VCOMP=0V, ZCD=0

VCOMP=3V, ZCD=0

1.45

VCC OVP

0.3

OLP

0.3

UVLO (OFF)

6.9

7.5

8.1

UVLO (ON)

15.0

17.0

HV Self Bias (Linear Regulator)

8.1

8.8

9.5

De-Latch VCC Voltage

PDR( Power Down Reset)

6.0

6.5

7.0

VCC OVP Level

Voltage Feedback(Comp Pin)

Short circuit current

VCOMP=0

0.4

0.5

0.6

Open loop voltage

5.0

5.3

5.8

OLP Trip Level

4.65

4.8

4.95

Zero ON-time Threshold

0.8

Zero ON-time Hysteresis

OLP Delay Time

225

270

315

OLP De-Latch Counter

Cycle

Current Sensing (CS Pin)

Current Sense Input Threshold Voltage

IZCD<110A

0.47

0.5

0.53

IZCD>440A

0.322

0.35

0.378

Soft Start Time

Input bias current

VCS=0V~0.5V

1.5

A

LEB time

240

300

360

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