LM3914

Manufacturer Part NumberLM3914
ManufacturerTexas Instruments
LM3914 datasheet
 


Specifications of LM3914

Output Channels10Led Voltage(max)(v)17
Pin/package18PDIP, 20PLCCRegulated Outputs(#)10
Iout(max)(a)0.03Led ConfigurationParallel
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Typical Applications
(Continued)
*This application illustrates that the LED supply needs practically no filtering
Calibration: With a precision meter between pins 4 and 6 adjust R1 for voltage V
The adjustments are non-interacting.
Expanded Scale Meter, Dot or Bar
of 1.20V. Apply 4.94V to pin 5, and adjust R4 until LED No. 5 just lights.
D
Application Example:
Grading 5V Regulators
Highest No.
Color
V
OUT(MIN)
LED on
10
Red
5.54
9
Red
5.42
8
Yellow
5.30
7
Green
5.18
6
Green
5.06
5V
5
Green
4.94
4
Green
4.82
3
Yellow
4.7
2
Red
4.58
1
Red
4.46
11
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