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LD7890GS Scheda tecnica(PDF) 5 Page - Leadtrend Technology

Il numero della parte LD7890GS
Spiegazioni elettronici  High Voltage 4-Channel LED Controller Driver
PDF  16 Pages
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Produttore elettronici  LEADTREND [Leadtrend Technology]
Homepage  https://www.leadtrend.com.tw/
Logo LEADTREND - Leadtrend Technology

LD7890GS Scheda tecnica(HTML) 5 Page - Leadtrend Technology

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LD7890
5
Leadtrend Technology Corporation
www.leadtrend.com.tw
LD7890-DS-01 November, 2013
Block Diagram
LED
Voltage
Detector
GM
Σ
COMP
S
R
Q
Oscillator
0.2V
SCP
Logic
GDRV
Current
Limit
0.5V
LDO
Reference
Internal
Reference
2.5V
OVP
LED Short
LED Open
0.2V
LED
SP
Protection
Logic
4
4
4
LEB
OVP
STATUS
OR
DRV
RT
CS
FB1
VIN
GND
COMP
Gate1
SENSE1
Vref
FB2
Gate2
SENSE2
FB3
Gate3
SENSE3
FB4
Gate4
SENSE4
DIM
PARL
PWM
PWM
PWM
PWM
EN
EN
Vref
Vref
Vref
LOSC
PWM
VSET



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