AAT3193 Datasheet, PDF (6/18 Pages) Advanced Analogic Technologies – 3-Channel Charge-Pump LED Driver

ChargePump^TM
Typical Characteristics
Operating Current (No Load)
vs. Input Voltage
3.60
3.50
3.40
85°C
3.30
25°C
3.20
3.10
-45°C ^0°C
3.00
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
V_IN (V)
Efficiency vs. Input Voltage
100%
90%
80%
70%
60%
50%
30mA
40%
V_F = 3.8V
30%
10mA
20mA
20%
V_F = 3.2V ^VF ^{= 3.5V}
10%
0%
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
EN/SET
(2V/div)
V_OUT
(2V/div)
V_SINK
(2V/div)
I_IN
(200mA/div)
Turn On to 2X Mode
(20mA/ch)
Time (200µs/div)
PRODUCT DATASHEET
AAT3193
3-Channel Charge-Pump LED Driver
Shutdown Current vs. Temperature
0.010
0.008
0.006
0.004
5.5V
0.002
2.7V
0.000
-40
-15
10
35
60
85
Temperature (°C)
Current Matching vs. Temperature
21.0
20.5
D2
20.0
19.5
19.0
D3
18.5
D1
18.0
-40
-15
10
35
60
85
Temperature (°C)
EN/SET
(2V/div)
V_OUT
(1V/div)
I_IN
(200mA/div)
Turn Off from 2X Mode
(20mA/ch)
Time (200µs/div)
6
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3193.2008.07.1.3