MAX1707 Maxim Integrated Products, MAX1707 Datasheet - Page 4

• Manufacturer Part Number: MAX1707
• Description: Light-Management IC
• Manufacturer: Maxim Integrated Products

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