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HT7L4811 データシート(PDF) 2 Page - Holtek Semiconductor Inc

部品番号 HT7L4811
部品情報  Non-isolation Buck LED Lighting Driver with Active PFC
PDF  12 Pages
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メーカー  HOLTEK [Holtek Semiconductor Inc]
ホームページ  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT7L4811 データシート(HTML) 2 Page - Holtek Semiconductor Inc

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Rev. 1.30
2
June 26, 2015
HT7L4811
Block Diagram
0.2V
CS
COMP
ZCD
Starter
Min
Off Time
DRV
EA
PWM
Generator
OCP
ZCD
Comparator
UVLO
VCC
Reference
& Bias
ZCD OVP
OTP
Logic
Control
Driver
LEB
GND
VCC OVP
Pin Assignment
COMP CS ZCD
DRV
GND
Top View
SOT23-6
VCC
L4811
Pin Description
Pin No.
Symbol
Description
1
VCC
Power supply pin
2
GND
Ground pin
3
DRV
Gate drive output for driving external power MOSFETs
4
ZCD
Zero-current detect pin
5
CS
Current sense pin. A resistor is connected to sense the MOSFET current.
6
COMP
Loop compensation pin. A capacitor is placed between COMP and GND.



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