AAT1150IKS-1.0-T1 AnalogicTech, AAT1150IKS-1.0-T1 Datasheet - Page 7

• Manufacturer Part Number: AAT1150IKS-1.0-T1
• Description: 1MHz 1A Step-Down DC/DC Converter
• Manufacturer: AnalogicTech

Typical Characteristics
1150.2006.09.1.5
500mA/div
100
12
10
90
80
60
70
50
8
6
4
2
0
-20
2V/div
2.5
No Load Input Current vs. Temperature
V
(LX)
I
L
-5
3
Efficiency vs. Input Voltage
V
CC
(V
10
= 4.2V
IN
Input Voltage (V)
3.5
Temperature (°C)
= 3.6V; V
Switching Waveform
(V
(V
OUT
25
I
Time (500ns/div)
CC
O
V
= 0.4A
= 1.5V)
4
= V
CC
OUT
V
= 3.6V
CC
I
P
O
40
= 1.5V; I
)
= 1A
= 5.5V
4.5
55
OUT
V
V
= 1.2A)
CC
5
CC
= 2.7V
= 5.0V
70
5.5
85
1MHz 1A Step-Down DC/DC Converter
Inductor Current
200
190
180
170
160
150
140
130
120
110
100
-12
-16
-20
500mA/div
16
12
20
-4
-8
8
4
0
50mV/div
10
-20
Non-Switching I
(C
V
AAT1150 Loop Gain and Phase
OUT
O
V
-5
= 22μ μ F; V
CC
(V
= 5.0V
IN
Gain
V
= 3.6V; V
Frequency (kHz)
10
CC
(FB = 0V; V
Temperature (°C)
O
V
= 2.7V
Transient Response
= 1.5V; V
4 x 22μF
CC
= 5.5V
100
25
OUT
5 x 22μF
Q
Time (20µs/div)
= 1.5V; I
vs. Temperature
V
IN
P
CC
= V
40
= 3.6V; I
Phase
= 3.6V
CC
AAT1150
)
LOAD
3 x 22μF
55
O
= 1A)
= 0.25 to 1.2A)
V
CC
= 4.2V
1000
70
200
160
120
80
40
0
-40
-80
-120
-160
-200
85
7