MAX8930
WLED Charge Pump, RGB, OLED Boost,
LDOs with ALC and CAI
Typical Operating Characteristics (continued)
(V PV_ = V EN = 3.7V, circuit of Figure 1, T A = +25°C, unless otherwise noted.)
WLED—DIMMING CURRENT TRANSIENT
BY ALC WITH SLOPE CONTROL
MAX8930 toc13
WLED—DIMMING CURRENT TRANSIENT
BY ALC AND CAI
MAX8930 toc14
V SENSE
I LED1
1V/div
0V
20mA/div
0mA
V CAI
V SENSE
I LED1
2V/div
0V
2V/div
0mA
10mA/div
0mA
I LED2
0.256ms/0.1mA SLOPE
20mA/div
0mA
I LED2
10mA/div
0mA
100ms/div
WLED—LED1 OPEN CIRCUIT,
V PV = 3.8V
MAX8930 toc15
100ms/div
WLED—LED1 OPEN CIRCUIT,
V PV = 3.2V
MAX8930 toc16
V LED1
V NEG
I LED1
0V
1V/div
0V
2V/div
V LED1
V NEG
I LED1
0V
1V/div
0V
2V/div
20mA/div
I LED2
400μs/div
RGB—CURRENT TRANSIENT BY
I 2 C WITH SLOPE CONTROL
MAX8930 toc17
0mA
20mA/div
0mA
I LED2
400μs/div
RGB—PLAY_ ON/OFF TRANSITION,
LOGIC-HIGH
MAX8930 toc18
20mA/div
0mA
20mA/div
0mA
5V/div
I RLED
10mA/div
V PLAY_
0V
I GLED
0.256ms/0.1mA SLOPE
0V
10mA/div
I RLED
I GLED
I 2 C SETTING = 10mA
10mA/div
0mA
10mA/div
0mA
0mA
I BLED
Maxim Integrated
10ms/div
10mA/div
0mA
I BLED
10ms/div
10mA/div
0mA
11
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