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LC5556LD Fiches technique(PDF) 8 Page - Sanken electric

No de pièce LC5556LD
Description  Single-Stage Power Factor Corrected High Efficiency Non-Isolated Buck LED Driver
Download  11 Pages
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Fabricant  SANKEN [Sanken electric]
Site Internet  http://www.sanken-ele.co.jp/en
Logo SANKEN - Sanken electric

LC5556LD Fiches technique(HTML) 8 Page - Sanken electric

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SANKEN ELECTRIC CO., LTD.
LC5550LD-DS
Single-Stage Power Factor Corrected
High Efficiency Non-Isolated Buck LED Driver
LC5550LD
Series
July 9, 2012
Functional Block Diagram
S/GND
TSD
LEB
D/ST
STARTUP
Reg
Bias
UVLO
VCC
OCP/BD
OVP
OSC
OCP
Detection
Bottom
Reg
Control
Feedback
OLP
Drv
COMP
NF
⑥ ISENSE
Q
S
R
OTA
Control Part
Reg
Pin List Table
Number
Name
Function
1
S/GND
MOSFET source and GND pin for the Control Part
2
VCC
Supply voltage input and Overvoltage Protection (OVP) signal input
3
OCP/BD
Overcurrent Protection (OCP), quasi-resonant signal input, and
Overvoltage Protection (OVP) signal input
4
COMP
Feedback phase-compensation input
5NF
No function; must be externally connected to S/GND pin with as short a
trace as possible, for stable operation of the IC
6
ISENSE
Output current sensing voltage input
7
Pin removed
8
D/ST
MOSFET drain pin and input of the startup current
1
2
3
4
8
6
5
D/ST
ISENSE
NF
S/GND
VCC
OCP/BD
COMP
Pin-out Diagram


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