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PR4103B Datasheet(PDF) 2 Page - PREMA Semiconductor.

Part # PR4103B
Description  High Power LED Buck Converter
PDF  8 Pages
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Manufacturer  PREMA [PREMA Semiconductor.]
Direct Link  https://www.prema.com/
Logo PREMA - PREMA Semiconductor.

PR4103B Datasheet(HTML) 2 Page - PREMA Semiconductor.

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LED Driver PR4103
IC PINs
PIN CONFIGURATIONS
Vcc
1
4
2
GND
7V
5
3
NDRV
Vsense
PR4103A: Package SOT23-5
Topside marking: "SC" with lot code
7V
n.c.
1
2
3
4
8
7
6
5
NDRV
GND
Vsense
n.c.
Vcc
n.c.
PR4103B: Package SOP8
Topside marking:"PR4103"
"SC10"+version code
PIN DESCRIPTIONS
PIN No.
PR4103A
PIN No.
PR4103B
PIN Name
PIN Function Description
1
3
Vcc
Supply voltage
2
1
7 V
Internal 7 V linear regulator output. Connect a capacitor of
3.3 µF to GND. Voltage is not for external use.
3
8
NDRV
Gate connection for an external n-channel MOSFET.
4
7
GND
Ground
5
6
VSense
Feedback for controlling the output current. Connect this
pin to the series resistor RVSENSE and the sense resistor
RSENSE.
The external MOSFET is switched off when the voltage at
this pin is higher than VSENSE.
© PREMA Semiconductor GmbH 2006-2014 I rev. 1014
Page 2/8



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