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Sanken

LC201S Datasheet Preview

LC201S Datasheet

Power Supply IC

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Power Supply IC for Microcomputer
LC201S
General Descriptions
LC201S is the power supply IC for microcomputer of
lighting, incorporating a start up circuit and a linear
regulator.
There are two outputs. The output voltage of OUT1 can
be switched 9 V or 20 V. The output voltage of OUT2 is
5V. The product achieves high cost-performance power
supply systems with few external components for
microcomputer.
Features
Built-in startup circuit
Power dissipation of the startup circuit is zero.
(When the power of IC is supplied from external
power supply)
OUT1 pin voltage is selectable from 9 V or 20 V by
SL pin voltage.
(When the power of IC is supplied from internal
startup circuit)
OUT2 voltage is fixed to 5V
Current Sink Function
(In case OUT1 pin voltage decreases, OUT2 pin is
fixed to Low state)
Typical Application Circuit
VAC
BR1
87 65
C1 ST NC NC OUT1
U1
LC201S
GND SL SINK OUT2
1234
C2
Micro
computer
R1
C3
Package
SOP8
Not to scale
Applications
Various lighting fixtures
Fluorescent lamp, ceiling light, street light and down
light, etc.
Electronic equipment with microcomputer
LC201S-DS Rev.1.2
Mar. 30, 2016
SANKEN ELECTRIC CO.,LTD.
http://www.sanken-ele.co.jp/en/
1




Sanken

LC201S Datasheet Preview

LC201S Datasheet

Power Supply IC

No Preview Available !

LC201S
CONTENTS
General Descriptions----------------------------------------------------------------------- 1
1. Absolute Maximum Ratings--------------------------------------------------------- 3
2. Electrical Characteristics ------------------------------------------------------------ 3
3. Functional Block Diagram----------------------------------------------------------- 4
4. Pin Configuration Definitions------------------------------------------------------- 4
5. Typical Application Circuit --------------------------------------------------------- 5
6. Package Outline------------------------------------------------------------------------ 6
7. Marking Diagram --------------------------------------------------------------------- 6
8. Operational Description-------------------------------------------------------------- 7
8.1 Basic Operation ------------------------------------------------------------------ 7
8.2 Startup Operation --------------------------------------------------------------- 7
8.3 Current Sink Function --------------------------------------------------------- 8
9. Design Notes ---------------------------------------------------------------------------- 9
10. Performance Curves ----------------------------------------------------------------- 10
IMPORTANT NOTES ------------------------------------------------------------------- 13
LC201S-DS Rev.1.2
Mar. 30, 2016
SANKEN ELECTRIC CO.,LTD.
2


Part Number LC201S
Description Power Supply IC
Maker Sanken
PDF Download

LC201S Datasheet PDF






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