AAT2860 Analogic Corporation, AAT2860 Datasheet - Page 7

• Manufacturer Part Number: AAT2860
• Manufacturer: Analogic Corporation

ChargePump
ChargePump
Typical Characteristics
(200mA/div)
2860.2008.05.1.0
2860.2008.05.1.0
Backlight Current Matching vs. Temperature
100
Backlight Mode Efficiency vs. Input Voltage
(2V/div)
(2V/div)
(2V/div)
90
80
70
60
50
40
30
33
32
31
30
29
28
27
26
25
V
2.7
-40
FL_LVL
V
V
OUT
FLX
I
IN
3.1
4
2
0
Flash Mode Turn-On Characteristic
(V
-15
(V
IN
IN
3.5
= 3.6V; 30mA/Channel)
= 4.2V; 300mA/Channel; 1x Mode)
TM
TM
Temperature (°C)
Input Voltage (V)
10
3.9
Channel 1 - Channel 5/6/7
Backlight/Flash LED Driver and Multiple LDO Lighting Management Unit
Backlight/Flash LED Driver and Multiple LDO Lighting Management Unit
Time (20µs/div)
4.3
35
30mA/ch, V
15mA/ch, V
4.2mA/ch, V
4.7
60
F
F
F
5.1
= 3.95V
= 3.5V
= 3.4V
5.5
85
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
600
400
200
0
4
2
0
(200mA/div)
Charge Pump Output Turn-On Characteristic
100
4
2
0
(2V/div)
(2V/div)
(2V/div)
90
80
70
60
50
40
30
V
2.7
FL_LVL
V
V
OUT
FLX
Flash Efficiency vs. Input Voltage
I
IN
(V
IN
4
2
0
3.1
Flash Mode Turn-On Characteristic
= 3.6V; 0mA/Channel; C
(V
IN
PRODUCT DATASHEET
PRODUCT DATASHEET
3.5
= 3.6V; 300mA/Channel; 1.5x Mode)
Input Voltage (V)
Time (20µs/div)
3.9
AAT2860
AAT2860
Time (50µs/div)
4.3
160mA/ch, V
320mA/ch, V
OUT
4.7
= 2.2V)
F
F
5.1
= 3.15V
= 3.25V
4
3
2
1
0
5.5
600
400
200
0
4
2
0
7
7