AAT1299 Analog Devices, AAT1299 Datasheet - Page 5

• Manufacturer Part Number: AAT1299
• Description: Low Voltage 2MHz Step-Up DC/DC Converter
• Manufacturer: Analog Devices

Typical Characteristics
1299.2007.06.1.0
100
-0.5
-1.0
-1.5
-2.0
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
Minimum Start-Up Voltage vs. Load Current
90
80
70
60
50
2.0
1.5
1.0
0.5
0.0
0.1
0.1
0
Constant Current Load
2
Single-Cell to 3.3V Efficiency
Single-Cell Load Regulation
40
1
Output Current (mA)
Output Current (mA)
1
60
(V
Current (mA)
V
IN
O
V
V
= 3.3V)
IN
IN
= 1.2V
V
80
10
= 1.5V
= 1.2V
Resistive Load
IN
= 1.5V
100
10
120
100
Low Voltage 2MHz Step-Up DC/DC Converter
140
1000
160
100
100
120
100
-0.5
-1.0
-1.5
-2.0
90
80
70
60
50
80
60
40
20
2.0
1.5
1.0
0.5
0.0
0
0.1
1.0
0.1
Light Load Mode Output Current
1.2
V
Threshold vs. Input Voltage
Dual-Cell to 3.3V Efficiency
IN
Dual-Cell Load Regulation
1.4
= 3.0V
V
V
IN
IN
1
1
= 2.0V
= 2.4V
1.6
V
Output Current (mA)
Output Current (mA)
IN
Input Voltage (V)
= 2.4V
V
(V
1.8
IN
O
= 3.0V
= 3.3V)
2.0
10
10
V
IN
Increasing Load
2.2
= 2.0V
Decreasing Load
AAT1299
2.4
100
100
2.6
2.8
1000
1000
3.0
5