AAT1121IES-0.6-T1 Advanced Analog Technology, Inc., AAT1121IES-0.6-T1 Datasheet - Page 6

• Manufacturer Part Number: AAT1121IES-0.6-T1
• Description: 1.5MHz, 250mA Step-Down Converter
• Manufacturer: Advanced Analog Technology, Inc.

Typical Characteristics
6
-1.0
-2.0
-3.0
-4.0
-1.0
-2.0
-3.0
2.0
1.0
0.0
3.0
2.0
1.0
0.0
5.0
4.0
3.0
2.0
1.0
0.0
-40
2.7
Output Voltage Error vs. Temperature
Frequency Variation vs. Input Voltage
V
OUT
V
I
(V
L
-20
3.1
O
IN
= 1.8V
V
I
EN
OUT
= 3.6V; V
(V
IN
= 250mA; C
3.5
Time (100µs/div)
0
= 3.6V; V
Soft Start
Temperature (° ° C)
Input Voltage (V)
OUT
20
3.9
V
= 1.8V; I
OUT
OUT
FF
= 3.0V
= 100pF)
= 1.8V;
4.3
40
OUT
= 250mA)
4.7
60
5.1
80
0.8
0.6
0.4
0.2
0.0
100
5.5
1.5MHz, 250mA Step-Down Converter
No Load Quiescent Current vs. Input Voltage
-10.0
10.0
-0.1
-0.2
-0.3
-2.0
-4.0
-6.0
-8.0
0.6
0.5
0.4
0.3
0.2
0.1
0.0
8.0
6.0
4.0
2.0
0.0
50
45
40
35
30
25
20
15
10
2.7
2.5
-40
-40°C
85°C
25°C
Switching Frequency Variation
3.1
3.0
-20
(V
3.5
3.5
vs. Temperature
Line Regulation
0
IN
= 3.6V; V
Temperature (° ° C)
Input Voltage (V)
I
Input Voltage (V)
OUT
(V
OUT
3.9
4.0
= 10mA
20
I
OUT
= 1.8V)
= 250mA
OUT
I
4.5
4.3
OUT
40
= 1.8V)
= 150mA
I
OUT
AAT1121
5.0
4.7
60
= 50mA
1121.2007.03.1.2
I
OUT
5.5
5.1
80
= 0mA
6.0
100
5.5