AAT1143IJS-1.8-T1 AnalogicTech, AAT1143IJS-1.8-T1 Datasheet - Page 7

• Manufacturer Part Number: AAT1143IJS-1.8-T1
• Description: 1MHz 400mA Step-Down Converter
• Manufacturer: AnalogicTech

Typical Characteristics
1143.2005.09.1.7
(30mA - 300mA; V
-0.05
-0.15
-0.25
-0.35
0.05
-0.1
-0.2
-0.3
0.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
0
-100
-120
2.5
-20
-40
-60
-80
40
20
0
I
OUT
Load Transient Response
= 100mA
3.0
(V
300mA
IN
I
= 3.6V; V
OUT
IN
Time (25µs/div)
3.5
Output Ripple
Line Regulation
Time (250ns/div)
= 400mA
= 3.6V; V
Input Voltage (V)
(V
OUT
OUT
4.0
30mA
= 1.8V; 400mA)
= 1.8V)
OUT
= 1.8V; C1 = 4.7µ µ F)
4.5
I
OUT
5.0
= 10mA
5.5
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
6.0
1MHz 400mA Step-Down Converter
-1.0
-2.0
-3.0
-4.0
4.0
3.0
2.0
1.0
0.0
1.90
1.85
1.80
1.75
1.70
1.65
1.60
1.55
1.50
(V
IN
(V
= 3.6V; V
OUT
Line Transient
Time (25µ µ s/div)
Soft Start
= 1.8V @ 400mA)
250µ µ s/div
OUT
= 1.8V; 400mA)
AAT1143
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-0.5
7