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CAT3604 データシート(PDF) 6 Page - Catalyst Semiconductor

部品番号 CAT3604
部品情報  4-Channel Regulated Charge Pump White LED Driver
PDF  12 Pages
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メーカー  CATALYST [Catalyst Semiconductor]
ホームページ  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT3604 データシート(HTML) 6 Page - Catalyst Semiconductor

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CAT3604
Doc. No. MD-5008 Rev. J
6
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
TYPICAL CHARACTERISTICS
VIN = 3.6V, EN = VIN, CIN = COUT = 1µF, RSET = 24kΩ, TAMB = 25ºC, unless otherwise specified.
Efficiency vs. Input Voltage (4 LEDs)
40
50
60
70
80
90
100
3.0
3.2
3.4
3.6
3.8
4.0
4.2
DISCHARGING BATTERY [V]
1x mode
1.5x mode
15mA per LED
20m A per LED
Efficiency vs. Total LED Current (4 LEDs)
40
50
60
70
80
90
100
0
50
100
150
200
TOTA L LED CURRENT [mA]
VIN = 4V (1x mode)
VIN = 3.2V (1.5x mode)
LED Current vs. Input Voltage
10
12
14
16
18
20
22
24
3.0
3.2
3.4
3.6
3.8
4.0
4.2
INPUT VOLTAGE [V]
4 LEDs at 20mA
1 LED at 20mA
4 LEDs at 15mA
LED Current vs. Temperature
14.0
14.5
15.0
15.5
16.0
-50 -25
0
25 50 75 100 125
TEMPERATURE [ºC
ºC
]
4LEDs at 15mA
Vin = 4V
Ground Current vs. Input Voltage (1x mode)
0.0
0.1
0.2
0.3
0.4
0.5
3.0
3.2
3.4
3.6
3.8
4.0
4.2
INPUT VOLTAGE [V]
4LEDs OFF
Ground Current vs. Temperature (1x mode)
0.0
0.1
0.2
0.3
0.4
0.5
-40 -20
0
2040 6080 100
TEMPERATURE [ ]
4LEDs OFF
Rset = 500kΩ



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