max8879etg Maxim Integrated Products, Inc., max8879etg Datasheet - Page 5

• Manufacturer Part Number: max8879etg
• Description: Charge Pump For Backlight/flash/rgb Leds With Safety Timer
• Manufacturer: Maxim Integrated Products, Inc.

(T
A
= +25°C, unless otherwise noted.)
Charge Pump for Backlight/Flash/RGB LEDs
V
V
V
V
OUT
OUT
SDA
OUT
V
V
I
I
I
IN
IN
IN
IN
IN
_______________________________________________________________________________________
MAIN STARTUP WITH RGB ALREADY ON
OPERATING WAVEFORMS 1X MODE
OPERATING WAVEFORMS 2X MODE
1ms/div
1μs/div
1μs/div
Typical Operating Characteristics (continued)
MAX8879 toc09
MAX8879 toc11
MAX8879 toc13
50mV/div
(AC-COUPLED)
50mV/div
(AC-COUPLED)
100mA/div
0
50mV/div
(AC-COUPLED)
50mV/div
(AC-COUPLED)
100mA/div
0
5V/div
1V/div
0
200mA/div
0
V
V
V
V
V
SDA
OUT
OUT
SDA
OUT
V
I
I
I
IN
IN
IN
IN
MAIN BACKLIGHT STARTUP WAVEFORM
OPERATING WAVEFORMS 1.5X MODE
FLASH STARTUP WAVEFORM
with Safety Timer
1ms/div
1ms/div
1μs/div
MAX8879 toc14
MAX8879 toc10
MAX8879 toc12
5V/div
1V/div
0
200mA/div
0
50mV/div
(AC-COUPLED)
50mV/div
(AC-COUPLED)
100mA/div
0
5V/div
1V/div
0
200mA/div
0
5