AAT2505 Analogic Corporation, AAT2505 Datasheet - Page 9

• Manufacturer Part Number: AAT2505
• Manufacturer: Analogic Corporation

Typical Characteristics
Unless otherwise noted, V
2505.2006.06.1.1
-12.0
-15.0
100
15.0
12.0
-3.0
-6.0
-9.0
90
80
70
60
50
9.0
6.0
3.0
0.0
Step-Down Converter Efficiency vs. Load
-0.5
-1.0
-1.5
-2.0
1.0
0.5
0.0
0.1
-40
Switching Frequency vs. Temperature
(V
2.7
V
IN
IN
(V
= 3.6V; V
= 2.7V
-20
OUT
(V
3.1
Frequency vs. Input Voltage
= 1.5V; L = 4.7μ μ H; ENLDO = GND)
OUT
Step-Down Converter
1
Step-Down Converter
O
= 1.8V; EN = V
0
Output Current (mA)
= 1.5V; EN = V
3.5
Temperature (° ° C)
V
IN
Input Voltage (V)
20
= 3.6V
IN
3.9
10
V
= 5V, T
IN
IN
40
= 4.2V
; ENLDO = GND)
IN
4.3
; ENLDO = GND)
A
60
= 25°C.
100
4.7
80
5.1
1000
100
5.5
-0.5
-1.0
1.0
0.5
0.0
-1.0
-2.0
2.0
1.0
0.0
0.1
35
30
25
20
15
-40
2.5
Step-Down Converter DC Regulation
Output Voltage Error vs. Temperature
(V
(V
IN
OUT
Converter/Linear Regulator
Input Current vs. Input Voltage
= 3.6V; V
-20
(V
3.0
Dual Channel, Step-Down
= 1.8V; L = 4.7µH; ENLDO = GND)
O
85°C
25°C
-40°C
1
= 1.8V; EN = V
Step-Down Converter
Step-Down Converter
Output Current (mA)
0
O
= 1.5V; EN = V
3.5
Temperature (° ° C)
Input Voltage (V)
20
10
4.0
IN
; ENLDO = GND)
40
IN
V
; ENLDO = GND)
IN
4.5
V
= 3.6V
100
IN
60
= 2.7V
V
IN
= 4.2V
5.0
80
1000
100
5.5
9