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CAT4201 Datasheet(PDF) 3 Page - ON Semiconductor

Part # CAT4201
Description  350 mA High Efficiency Step Down LED Driver
PDF  13 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CAT4201 Datasheet(HTML) 3 Page - ON Semiconductor

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CAT4201
http://onsemi.com
3
TYPICAL OPERATION CHARACTERISTICS
(VIN = 13 V, ILED = 300 mA, L = 22 mH, C1 = 4.7 mF, C2 = 10 mF, TAMB = 25°C unless otherwise specified)
Figure 2. Input Operating Supply Current
Figure 3. Idle Mode Supply Current
(CTRL = 0 V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
22
20
18
16
14
12
10
8
0
0.2
0.4
0.6
0.8
1.0
24
20
16
12
8
4
0
0
50
100
150
200
Figure 4. CTRL Input Bias Current
Figure 5. RSET Voltage vs. Temperature
CTRL VOLTAGE (V)
TEMPERATURE (°C)
12
10
8
6
4
2
0
0
50
100
150
200
250
120
80
40
0
−40
1.10
1.15
1.20
1.25
1.30
Figure 6. RSET Voltage vs. CTRL Voltage
Figure 7. LED Current vs. RSET
CTRL VOLTAGE (V)
RSET (kW)
4
3
2
1
0
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
35
30
25
20
15
10
5
0
100
200
300
400
24
VIN = 13 V
+25°C
−40°C
+85°C



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