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BD1754HFN Datasheet(PDF) 3 Page - Rohm

Part # BD1754HFN
Description  Constant Current LED Driver with 64 Dimming Steps for up to 4 LEDs
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD1754HFN Datasheet(HTML) 3 Page - Rohm

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BD1754HFN
Datasheet
TSZ02201-0G3G0C200060-1-2
9.NOV.2012 Rev.001
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
●Pin Descriptions
No.
Pin Name
In/
Out
ESD Diode
Functions
For Power
For GND
1
EN
In
VIN
GND
LED enable and Brightness control signal
2
GND
-
VIN
-
Ground
3
ISET
Out
VIN
GND
Bias current
4
VIN
-
-
GND
Power supply voltage input
5
L1
In
-
GND
Current sink for LED 1
6
L2
In
-
GND
Current sink for LED 2
7
L3
In
-
GND
Current sink for LED 3
8
L4
In
-
GND
Current sink for LED 4
-
Thermal PAD
-
-
-
Heat radiation PAD of back side
Connect to GND
●Block Diagram
Figure 3. Block Diagram
VIN
ISET
GND
Current
DAC
UPIC
6
EN
L2
L1
L4
L3


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