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LD7830GS Datasheet(PDF) 6 Page - Leadtrend Technology

Part # LD7830GS
Description  High Power Factor Flyback LED Controller with HV Start-up
PDF  18 Pages
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Manufacturer  LEADTREND [Leadtrend Technology]
Direct Link  https://www.leadtrend.com.tw/
Logo LEADTREND - Leadtrend Technology

LD7830GS Datasheet(HTML) 6 Page - Leadtrend Technology

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LD7830
6
Leadtrend Technology Corporation
www.leadtrend.com.tw
LD7830-DS-01a
August 2012
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Zero Current Detector (ZCD Pin)
Upper Clamp Voltage
IDET=100A
5.0
5.6
6.0
V
Lower Clamp Voltage
IDET=-2mA
0
-0.35
V
Input Voltage Threshold
0.05
0.1
0.15
V
Hysteresis
0.05
0.15
0.2
V
Input bias current
VZCD=1V~4V, OUT=OFF
0.0
1.0
A
Programming Maximum ON-Time, Ton-max (ZCD Pin)
Programming Maximum ON-time
ZCD RZCD=6k,
4.8
5.82
6.8
s
Maximum ON-time
ZCD RZCD34k,
13.6
16
18.4
s
Minimum (ON+OFF)-Time
Minimum (ON+OFF)-Time
Fmax(250kHz),
3.2
4
4.8
s
Minimum OFF-Time
1.2
1.6
2.0
s
Gate Drive Output (OUT Pin)
Output Low Level
VCC=15V, ISINK=20mA
0
0.5
V
Output High Level
VCC=15V, ISOURCE=20mA
10
VCC
V
Output High Clamp Level
VCC=16V
13
V
Rising Time
VCC =15V, CL=1000pF
75
150
ns
Falling Time
VCC =15V, CL=1000pF
25
50
ns
Starter
Start Timer Period
100
150
200
s
Internal OTP (Over Temp. Protection)
OTP Trip level
*
140
C
OTP Hysteresis
*
30
C
*: These parameters are guaranteed by design only.



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