AAT2505 Analogic Corporation, AAT2505 Datasheet - Page 8

• Manufacturer Part Number: AAT2505
• Manufacturer: Analogic Corporation

Typical Characteristics
Unless otherwise noted, V
8
1200
1000
-200
100
800
600
400
200
100
90
80
70
60
90
80
70
60
0
Step-Down Converter Efficiency vs. Load
Step-Down Converter Efficiency vs. Load
0.1
0.1
V
IN
= 3.3V
(V
(V
LDO Over-Current Protection
OUT
OUT
= 3.3V; L = 10μ μ H; ENLDO = GND)
= 2.5V; L = 10μ μ H; ENLDO = GND)
1
1
(EN = GND; ENLDO = V
V
IN
Output Current (mA)
Output Current (mA)
= 3.0V
Time (50ms/div)
IN
10
10
V
= 5V, T
V
IN
IN
= 4.2V
= 3.6V
V
IN
A
= 3.9V
IN
= 25°C.
100
100
)
1000
1000
1.250
1.225
1.200
1.175
1.150
1.125
1.100
1.075
1.050
-0.5
-1.0
-0.5
-1.0
1.0
0.5
0.0
1.0
0.5
0.0
2.5
0.1
0.1
Step-Down Converter DC Regulation
Step-Down Converter DC Regulation
(V
(V
Converter/Linear Regulator
3.0
OUT
OUT
Dual Channel, Step-Down
= 3.3V; L = 6.8µH; ENLDO = GND)
= 2.5V; L = 6.8µH; ENLDO = GND)
V
IH
1
1
Output Current (mA)
Output Current (mA)
3.5
LDO ENLDO vs. V
Input Voltage (V)
4.0
V
10
10
IL
4.5
V
V
IN
V
IN
V
V
100
100
IN
= 5.0V
IN
= 3.6V
IN
IN
= 4.2V
2505.2006.06.1.1
= 3.0V
V
= 4.2V
5.0
IN
= 5.0V
1000
1000
5.5