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RM9003B Datasheet(PDF) 1 Page - Shaanxi Reactor Microelectronics Co., Ltd.

Part # RM9003B
Description  LED constant current control chip
PDF  8 Pages
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Manufacturer  REACTOR [Shaanxi Reactor Microelectronics Co., Ltd.]
Direct Link  http://www.reactor-micro.com
Logo REACTOR - Shaanxi Reactor Microelectronics Co., Ltd.

RM9003B Datasheet(HTML) 1 Page - Shaanxi Reactor Microelectronics Co., Ltd.

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LED constant current control chip
RM9003B
RM9003_Rev.19.01
www.reactor-micro.com
- 1-
General Description ：
RM9003B is a one_stage LED constant
current
driving
control
chip
which
Compatible with silicon controlled dimmer
application.Output current stay a constant
in the range of 5m~100mA as once set by
external SENSE resistor.
It has the advantages of simpler system
structure fewer peripheral components
and simpler circuit.
Applications ：
LED Fluorescent tube T5/T8/T10…
LED Bulb/Corn light/Candle lamp…
Other small power LED lighting…
Features：
Simpler peripheral circuit without
magnetic components
Chips can be used in series or parallel
application
Chips and LED can be welded in the
same PCB board
Output current can be set by external
resistor
Application circuit has no EMI
problems
Built_in 500V high voltage MOS
Over temperature regulation
Package：ESOP8、TO252、SOT89-3
Packaging information：
ESOP8
SOT89-3
TO252-3
RM9003B
RM9003B
RM9003B
Pin Schematic Diagram：
GND
1
2 S1
3 NC
4 NC
5
NC
6
NC
7
D1
8
NC
U1
9003E
D
3
1
<Value>
U?
S
2
2
GND
U?
S
GND 2
D
3
1
<Value>
RM9003B
RM9003B
RM9003B


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