AAT2550_08 ANALOGICTECH [Advanced Analogic Technologies], AAT2550_08 Datasheet - Page 8

• Manufacturer Part Number: AAT2550_08
• Description: Total Power Solution for Portable Applications
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Typical Characteristics — Step-Down Converter (continued)
8
8
SystemPower
SystemPower
750
700
650
600
550
500
450
400
350
300
2.0
1.9
1.8
1.7
1.90
1.85
1.80
1.75
2.5
(1mA to 300mA; V
V
I
I
P-Channel R
O
L
V
I
I
O
L
O
Load Transient Response
Load Transient Response
O
25°C
(300mA to 400mA; V
3.0
C
V
OUT
OUT
TM
TM
Time (50µs/div)
Time (50µs/div)
= 10µF; C
85°C
= 1.8V; C
3.5
120°C
Input Voltage (V)
IN
DS(ON)
= 3.6V; V
4.0
400mA
OUT
FF
100°C
= 100pF)
vs. Input Voltage
= 10µF)
IN
4.5
= 3.6V;
300mA
300mA
OUT
1mA
0
= 1.8V;
5.0
0.4
0.3
0.2
0.1
5.5
w w w . a n a l o g i c t e c h . c o m
w w w . a n a l o g i c t e c h . c o m
6.0
Total Power Solution for Portable Applications
Total Power Solution for Portable Applications
750
700
650
600
550
500
450
400
350
300
1.850
1.825
1.800
1.775
1.90
1.85
1.80
1.75
2.5
(300mA to 400mA; V
V
I
I
N-Channel R
25°C
O
L
V
I
I
O
O
L
Load Transient Response
Load Transient Response
O
(300mA to 400mA; V
3.0
V
C
OUT
OUT
PRODUCT DATASHEET
PRODUCT DATASHEET
85°C
Time (50µs/div)
Time (50µs/div)
= 1.8V; C
= 10µF; C
120°C
3.5
Input Voltage (V)
DS(ON)
IN
4.0
100°C
AAT2550178
AAT2550178
OUT
400mA
= 3.6V; V
FF
400mA
= 100pF)
= 4.7µF)
vs. Input Voltage
IN
4.5
= 3.6V;
300mA
300mA
OUT
2550.2008.02.1.3
2550.2008.02.1.3
= 1.8V;
5.0
0.4
0.3
0.2
0.1
5.5
0.4
0.3
0.2
0.1
6.0