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| AAT2860 Datasheet, PDF (8/23 Pages) Advanced Analogic Technologies – Backlight/Flash LED Driver and Multiple LDO Lighting Management Unit | |||
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PRODUCT DATASHEET
AAT2860
ChargePumpTM Backlight/Flash LED Driver and Multiple LDO Lighting Management Unit
Typical Characteristics
Flash Mode Turn-On Characteristic
(VIN = 2.8V; 300mA/Channel; 2x Mode)
VFL_LVL
(2V/div)
VOUT
(2V/div) 4
VFLX 2
(2V/div) 0
IIN
(200mA/div)
4
2
0
600
400
200
0
Time (50µs/div)
Backlight Mode Turn-On Characteristic
(VIN = 4.6V; 30mA/Channel; 1x Mode)
4
VSDA
2
(2V/div)
VOUT
0
(2V/div) 4
VBLX 2
(2V/div) 0
200
IIN
100
(100mA/div)
0
Time (100µs/div)
Backlight Mode Turn-On Characteristic
(VIN = 3.6V; 30mA/Channel; 1.5x Mode)
4
VSDA
2
(2V/div)
0
VOUT
(2V/div) 4
VBLX 2
(2V/div) 0
400
IIN
200
(200mA/div)
0
Time (100µs/div)
Backlight Mode Turn-On Characteristic
(VIN = 3.2V; 30mA/Channel; 2x Mode)
4
VSDA
(2V/div)
2
0
VOUT
(2V/div) 4
VBLX 2
(2V/div) 0
400
IIN
200
(200mA/div)
0
Time (100µs/div)
Backlight Mode Turn-Off Characteristic
(VIN = 3.6V; 30mA/Channel; 1.5x Mode)
4
VSDA
(2V/div)
2
VDIODE 0
(2V/div)
4
2
0
2
IIN 0
(2mA/div)
Time (200µs/div)
Operating Characteristic
(30mA/Channel Backlight; 1.5x Mode; VIN = 3.6V; COUT = 2.2µF)
20
10
0
100
50
0
-50
Time (500ns/div)
8
www.analogictech.com
2860.2008.05.1.0
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