MIC2165_1011 Datasheet, PDF (5/28 Pages) Micrel Semiconductor – Adaptive On-Time DC-DC Controller Featuring HyperLight Load®

Micrel, Inc.
Typical Characteristics
100
90
80
70
60
50
40
30
20
10
0
0.01
12V to 3.3V Efficiency
0.10
1.00
OUTPUT CURRENT (A)
10.00
MIC2165
100
90
80
70
60
50
40
30
20
10
0
0.01
12V to 1.2V Efficiency
0.10
1.00
OUTPUT CURRENT (A)
10.00
1.30
1.28
1.26
1.24
1.22
1.20
1.18
1.16
1.14
1.12
1.10
0
Output Voltage vs. Load
VIN = 12V
VOUT = 1.2V
2
4
6
8
10
OUTPUT CURRENT (A)
1.30
1.28
1.26
1.24
1.22
1.20
1.18
1.16
1.14
1.12
1.10
4
Output Voltage
vs. Input Voltage
IOUT = 10A
IOUT = 100mA
8
12
16
20
24
28
INPUT VOLTAGE (V)
0.812
0.808
0.804
0.800
0.796
0.792
0.788
-40
Feedback Voltage
vs. Temperature
0
40
80
120
TEMPERATURE (ºC)
Switching Frequency vs. Load
(Continuous Mode)
750
720
690
660
630
600
570
540
510
480
450
0
VIN = 12V
VOUT = 2.5V
2
4
6
8
10
OUTPUT CURRENT (A)
750
720
690
660
630
600
570
540
510
480
450
-40
Switching Frequency
vs. Temperature
VIN = 12V
VOUT = 2.5V
0
40
80
120
TEMPERATURE (°C)
750
720
690
660
630
600
570
540
510
480
450
4
Switching Frequency
vs. Input Voltage
IOUT = 5A
8
12
16
20
24
28
INPUT VOLTAGE (V)
Current Limit Threshold vs.
Feedback Voltage Percentage
160
140
120
100
80
60
40
20
0
0
20
40
60
80
100
FEEDBACK VOLTAGE PERCENTAGE (%)
September 2010
5
M9999-092410-E