AAT3129
High Efficiency 1X/1.5X/2X Charge Pump
for RGB Color LED Applications
Typical Characteristics
Oscillator Frequency vs. Temperature
1.5
1.3
1
Shutdown Current vs. Temperature
F
OSC
(MHz)
1.2
1.1
1
0.9
0.8
0.7
0.6
0.5
-40
-20
0
20
40
60
80
100
Shutdown Current (µA)
1.4
0.1
0.01
0.001
-40
-20
0
20
40
60
80
100
Temperature (°C)
°
Temperature (°C)
°
I
ISRC
vs. V
IN
(V
F
= 3.5V)
64
63
62
61
64
63
I
ISRC
vs. V
F
(V
IN
= 3.5V)
+25°C
I
ISRC
(mA)
+85°C
-40°C
62
61
60
59
58
57
56
55
54
+25°C
I
ISRC
(mA)
60
59
58
57
56
55
54
2.7
3.0
3.3
3.5
3.8
4.1
4.4
4.7
4.9
5.2
5.5
+85°C
-40°C
1.0
1.5
2.0
2.5
3.0
3.5
4.0
V
IN
(V)
V
F
(V)
T
LAT
vs. V
IN
450
400
350
350
T
OFF
vs. V
IN
-40°C
T
OFF
(µs)
µ
300
250
200
150
100
50
300
T
LAT
(µs)
µ
-40°C
250
200
150
100
50
0
2.7
3.0
3.3
3.5
3.8
4.1
4.4
4.7
4.9
5.2
5.5
+25°C
+85°C
+25°C
+85°C
2.7
3.0
3.3
3.5
3.8
4.1
4.4
4.7
4.9
5.2
5.5
Input Voltage (V)
Input Voltage (V)
3129.2005.11.1.3
7
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
