AAT2505 Analogic Corporation, AAT2505 Datasheet - Page 10

• Manufacturer Part Number: AAT2505
• Manufacturer: Analogic Corporation

Typical Characteristics
Unless otherwise noted, V
10
Step-Down Converter Load Transient Response
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
1.84
1.82
1.80
1.78
1.76
1.74
Step-Down Converter Line Transient
750
700
650
600
550
500
450
400
350
300
2.5
(1mA to 300mA; V
P-Channel R
25°C
C1 = 4.7µF; ENLDO = GND)
3 .0
(V
OUT
Step-Down Converter
Time (50µs/div)
Time (25µs/div)
(EN = V
= 1.8V @ 400mA)
85°C
3.5
Input Voltage (V)
IN
120°C
DS(ON)
IN
IN
= 3.6V; V
; ENLDO = GND)
= 5V, T
4 .0
vs. Input Voltage
100°C
OUT
A
= 1.8V;
4.5
= 25°C.
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
7.6
6.6
5.6
4.6
3.6
2.6
5 .0
5.5
Step-Down Converter Load Transient Response
-0.10
-0.20
-0.30
-0.40
0.40
0.30
0.20
0.10
0.00
750
700
650
600
550
500
450
400
350
300
2.9
2.7
2.5
2.3
2.1
1.9
1.7
1.5
1.3
1.1
0.9
2.5
2.5
Step-Down Converter Line Regulation
(1mA to 300mA; V
I
N-Channel R
OUT
25°C
Converter/Linear Regulator
C1 = 4.7µF; ENLDO = GND)
3.0
= 1mA
3 .0
Dual Channel, Step-Down
Step-Down Converter
(EN = V
Time (50µs/div)
3.5
85°C
I
120°C
3.5
OUT
Input Voltage (V)
Input Voltage (V)
I
OUT
(V
IN
DS(ON)
= 400mA
IN
OUT
= 3.6V; V
4.0
; ENLDO = GND)
= 10mA
= 1.8V)
4 .0
100°C
vs. Input Voltage
4.5
OUT
4.5
= 2.5V;
5.0
2505.2006.06.1.1
5 .0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
5.5
6.0
5.5