AAT3167ISN-T1 Просмотр технического описания (PDF) - Advanced Analogic Technologies
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производитель
AAT3167ISN-T1
Advanced Analogic Technologies
AAT3167ISN-T1 Datasheet PDF : 14 Pages
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AAT3167
High Efficiency 1X/1.5X/2X Charge
Pump for White LED Applications
Typical Characteristics
CIN = COUT = C1 = C2 = 1.0µF; TA = 25°C, VIN = 3.6V, unless otherwise noted.
Efficiency vs. Supply Voltage
100
5.1mA
90 VF = 3.0V
80
18mA
VF = 3.4V
70
60
50
40
30
350μA
20
VF = 2.7V
10
0
2.5 2.8 3.0 3.3 3.5 3.8 4.0 4.3 4.5 4.8 5.0 5.3 5.5
Supply Voltage (V)
EN
(2V/div)
OUT
(2V/div)
VSINK
(500mV/div)
IIN
(200mA/div)
Turn-On to 1X Mode
(VIN = 4.2V; 18mA Load)
Time (100µs/div)
EN
(2V/div)
OUT
(2V/div)
VSINK
(500mV/div)
IIN
(200mA/div)
Turn-On to 1.5X Mode
(VIN = 3.5V; 18mA Load)
Time (100µs/div)
EN
(2V/div)
OUT
(2V/div)
VSINK
(500mV/div)
IIN
(200mA/div)
Turn-On to 2X Mode
(VIN = 2.8V; 18mA Load)
Time (100µs/div)
EN
(2V/div)
VF
(1V/div)
IIN
(100mA/div)
Turn-Off from 1.5X Mode
(VIN = 3.5V; 18mA Load)
Time (100µs/div)
Current Matching vs. Temperature
19.0
18.8
18.6
Channel 2 Channel 3
18.4
18.2
18.0
17.8
Channel 4
17.6
Channel 1
Channel 5
17.4
17.2
17.0
-40
-20
0
20
40
60
80
Temperature (°C)
3167.2007.03.1.4
5
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