AAT3104IJQ-1-T1 ANALOGICTECH [Advanced Analogic Technologies], AAT3104IJQ-1-T1 Datasheet - Page 5

• Manufacturer Part Number: AAT3104IJQ-1-T1
• Description: Low Cost 1x/2x 4 Channel Charge Pump WLED Driver
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

ChargePump
ChargePump
Typical Characteristics
V
(200mA/div)
(250mA/div)
3104.2008.09.1.0
3104.2008.09.1.0
200mA/div
IN
= 3.6V, C
(2V/div)
(2V/div)
(1V/div)
(2V/div)
(1V/div)
2V/div
2V/div
1V/div
V
V
V
V
V
EN
EN
OUT
EN
OUT
LED
LED
LED
I
I
I
IN
IN
IN
0
0
0
0
0
0
0
0
0
0
0
IN
1mA to 30mA LED Current Step
= C
1X Mode Turn-On Waveform
2X Mode Turn-Off Waveform
TM
TM
OUT
(V
(V
IN
IN
= C1 = 1μF; T
= 4.2V; Load = 120mA)
= 3.6V; Load = 120mA)
Time (200µs/div)
Time (200µs/div)
Time (80µs/div)
(V
IN
= 4.2V)
A
= 25°C, unless otherwise noted.
Low Cost 1x/2x 4 Channel Charge Pump WLED Driver
Low Cost 1x/2x 4 Channel Charge Pump WLED Driver
w w w . a n a l o g i c t e c h . c o m
w w w . a n a l o g i c t e c h . c o m
(250mA/div)
(AC Coupled)
(AC Coupled)
(200mA/div)
(20mV/div)
(5mV/div)
(2V/div)
(2V/div)
(1V/div)
(2V/div)
(2V/div)
(1V/div)
V
V
V
V
EN
EN
OUT
OUT
LED
V
LED
I
I
IN
OUT
V
IN
IN
0
0
0
0
0
0
0
0
0
0
30mA to 1mA LED Current Step
2X Mode Turn-On Waveform
PRODUCT DATASHEET
PRODUCT DATASHEET
(V
2X Mode Output Ripple
(V
IN
IN
= 3.6V; Load = 120mA)
Time (200µs/div)
= 3.6V; Load = 120mA)
Time (0.4µs/div)
Time (80µs/div)
AAT3104178
AAT3104178
(V
IN
= 4.2V)
5
5