LC5540LD SANKEN [Sanken electric], LC5540LD Datasheet - Page 8

• Manufacturer Part Number: LC5540LD
• Description: Single-Stage Power Factor Corrected Off-Line Switching Regulators
• Manufacturer: SANKEN [Sanken electric]

LC5540LD
Series
LC5540LD-DS
S/GND
VCC
OCP
Pin-out Diagram
FB
1
2
3
4
8
6
5
D/ST
OVP
NF
OVP
OCP
NF
③
⑤
⑥
Reg
Pin List Table
Number
Detection
VCC
OVP
OCP
Bottom
②
1
2
3
4
5
6
7
8
SANKEN ELECTRIC CO., LTD.
LEB
Functional Block Diagram
Functional Block Diagram
Functional Block Diagram
S/GND
Name
D/ST
VCC
OCP
OVP
NF
FB
–
TSD
OSC
UVLO
MOSFET source and GND pin for the Control Part
Supply voltage input and Overvoltage Protection (OVP) signal input
Overcurrent Protection (OCP), quasi-resonant signal input, and
Overvoltage Protection (OVP) signal input
Feedback phase-compensation input and Overload Protection
(OLP) signal input
No function; must be externally connected to S/GND pin with as
short a trace as possible, for stable operation of the IC
Overvoltage Protection (OVP) signal input
Pin removed
MOSFET drain pin and input of the startup current
Reg
Bias
Single-Stage Power Factor Corrected
Feedback
Control
S
R
START UP
Q
OLP
Off-Line Switching Regulators
Control Part
Drv
Function
⑧
①
④
D/ST
S/GND
FB
8