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CAT3604 데이터시트(PDF) 6 Page - ON Semiconductor

부품명 CAT3604
상세설명  4-Channel Regulated Charge Pump White LED Driver TQFN-16 HV4 SUFFIX
PDF  11 Pages
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제조업체  ONSEMI [ON Semiconductor]
홈페이지  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CAT3604 데이터시트(HTML) 6 Page - ON Semiconductor

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CAT3604
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6
TYPICAL CHARACTERISTICS
(VIN = 3.6 V, EN = VIN, CIN = COUT = 1 mF, RSET = 24 kW, TAMB = 25°C, unless otherwise specified.)
Figure 3. Efficiency vs. Input Voltage
(4 LEDs)
Figure 4. Efficiency vs. Total LED Current
(4 LEDs)
DISCHARGING BATTERY (V)
TOTAL LED CURRENT (mA)
3.0
3.2
3.4
3.6
3.8
4.0
4.2
40
50
60
70
80
90
100
200
150
100
50
0
40
50
60
70
80
90
100
Figure 5. LED Current vs. Input Voltage
Figure 6. LED Current vs. Temperature
INPUT VOLTAGE (V)
TEMPERATURE (°C)
4.2
4.0
3.8
3.6
3.4
3.2
3.0
10
12
14
20
24
125
25
0
−25
−50
14.0
14.5
15.0
15.5
16.0
Figure 7. Ground Current vs. Input Voltage
(1x Mode)
Figure 8. Ground Current vs. Temperature
(1x Mode)
INPUT VOLTAGE (V)
TEMPERATURE (°C)
4.2
4.0
3.8
3.6
3.4
3.2
3.0
0
0.1
0.2
0.3
0.4
0.5
100
80
40
0
−40
0
0.1
0.2
0.3
0.4
0.5
1x Mode
1.5x Mode
20 mA per LED
15 mA per LED
VIN = 4 V (1x Mode)
VIN = 3.2 V (1.5x Mode)
4 LEDs at 15 mA
Vin = 4 V
4 LEDs Off
1 LED at 20 mA
4 LEDs at 20 mA
4 LEDs at 15 mA
16
18
22
50
75
100
4 LEDs OFF
Rset = 500 kW
−20
20
60



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