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CAT3643 Datasheet(PDF) 8 Page - ON Semiconductor

Part # CAT3643
Description  3-Channel Ultra High Efficiency Quad-Mode LED Driver
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CAT3643 Datasheet(HTML) 8 Page - ON Semiconductor

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CAT3643
http://onsemi.com
8
TYPICAL PERFORMANCE CHARACTERISTICS
(VIN = 3.6 V, IOUT = 60 mA (3 LEDs at 20 mA), CIN = COUT = C1 = C2 = 1 mF, TAMB = 25°C unless otherwise specified.)
Figure 22. Foldback Current Limit
Figure 23. LED Current vs. LED Pin Voltage
OUTPUT CURRENT (mA)
LED PIN VOLTAGE (mV)
400
300
200
100
0
0
1.0
2.0
3.0
4.0
300
250
200
150
100
50
0
0
10
20
30
40
Figure 24. Dimming Waveform
Figure 25. Line Transient Response
Figure 26. Disconnecting a Single LED
Figure 27. LED Current vs. RSET
RSET RESISTANCE (kW)
100
10
1
0
10
20
30
40
50
1x Mode
0.5
1.5
2.5
3.5


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