MAX1707 查看數據表（PDF） - Maxim Integrated
零件编号
产品描述 (功能)
比赛名单
MAX1707
Maxim Integrated
MAX1707 Datasheet PDF : 15 Pages
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Light-Management IC with Efficient 1x/1.5x/2x
Charge Pump for Backlight/Flash/RGB LEDs
(TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
EFFICIENCY vs. SUPPLY VOLTAGE
DRIVING 4 MAIN LEDs
100
90
80
70
60
50
30mA/LED
40
15mA/LED
1.9mA/LED
30
20
10
SUPPLY VOLTAGE FALLING
0
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
INPUT CURRENT vs. SUPPLY VOLTAGE
DRIVING LUMILEDS LXCL-PWF1 FLASH
900
800
700
400mA
600
500
400
300
200mA
200
100mA
100
0
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
INPUT CURRENT vs. SUPPLY VOLTAGE
DRIVING 4 MAIN LEDs AND RGB LEDs
450
SUPPLY VOLTAGE FALLING
400
30mA/LED
350
300
250
15mA/LED
200
150
100
1.9mA/LED
50
0
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
INPUT CURRENT vs. SUPPLY VOLTAGE
DRIVING 4 MAIN LEDs
450
SUPPLY VOLTAGE FALLING
400
350
300
250 30mA/LED
200
150 15mA/LED
100
50 1.9mA/LED
INPUT CURRENT vs. SUPPLY VOLTAGE
DRIVING RGB LEDs
450
SUPPLY VOLTAGE FALLING
400
350
300
250
200
30mA/LED
150
100
15mA/LED
50
1.9mA/LED
LED CURRENT MATCHING
vs. SUPPLY VOLTAGE
(MAIN AND RGB AT FULL CURRENT)
31.2
30.9
RED
30.6
4 WHITE
VF = 3.4V
VF = 1.9V
30.3
30.0
29.7
29.4
GREEN
VF = 2V
BLUE
VF = 4.2V
29.1
0
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
0
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
28.8
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
LED CURRENT MATCHING
vs. SUPPLY VOLTAGE
(MAIN AND RGB AT 1.9mA/LED)
1.96
1.94
1.92 4 WHITE
VF = 2.9V
1.90
RED
VF = 1.7V
LED CURRENT vs. TEMPERATURE
30
THERMAL DERATING OFF
25
20
4 MAIN OR 4 FLASH LEDs
1.88
1.86
GREEN
1.84
VF = 1.9V
BLUE
VF = 3.4V
1.82
15
THERMAL DERATING ON
10
5
1.80
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
SUPPLY VOLTAGE (V)
0
-40 -15 10
35
60
85
TEMPERATURE (°C)
4 _______________________________________________________________________________________
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