MIC26603 MICREL [Micrel Semiconductor], MIC26603 Datasheet - Page 9

• Manufacturer Part Number: MIC26603
• Description: 28V, 6A Hyper Light Load Synchronous DC/DC Buck Regulator
• Manufacturer: MICREL [Micrel Semiconductor]

Micrel, Inc.
Typical Characteristics (Continued)
July 2011
100
95
90
85
80
75
70
65
60
55
50
12
10
95
90
85
80
75
70
65
60
55
50
8
6
4
2
0
-50
0
0
vs. Ambient Temperature
V
V
IN
OUT
1
-25
AMBIENT TEMPERATURE (°C)
1
= 5V
Thermal Derating*
Efficiency (V
= 0.8, 1.2, 1.5V
Efficiency (V
vs. Output Current
vs. Output Current
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
2
2
0
3
3
25
1.5V
4
4
IN
50
IN
= 24V)
= 12V)
5
5
75
6
6
0.8V
100
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
0.8V
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
0.8V
7
7
125
8
8
2.5
2.0
1.5
1.0
0.5
0.0
2.5
2.0
1.5
1.0
0.5
0.0
12
10
8
6
4
2
0
-50
0
0
IC Power Dissipation (V
IC Power Dissipation (V
V
V
vs. Ambient Temperature
V
V
V
V
IN
OUT
IN
OUT
IN
OUT
-25
= 12V
= 24V
= 5V
AMBIENT TEMPERATURE (°C)
5.0V
= 0.8,V, 1.0V, 1.2V, 1.5V, 1.8V,2.5V, 3.3V, 5.0V
= 0.8,V, 1.0V, 1.2V, 1.5V, 1.8V,2.5V, 3.3V, 5.0V
= 1.8, 2.5, 3.3V
1
1
Thermal Derating*
vs. Output Current
vs. Output Current
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
0
2
2
3.3V
5.0V
25
9
3
3
50
1.8V
4
4
75
IN
IN
0.8V
= 12V)
= 24V)
0.8V
100
5
5
125
6
6
60
50
40
30
20
10
60
50
40
30
20
10
12
10
0
0
8
6
4
2
0
-50
0
0
V
V
Die Temperature* (V
Die Temperature* (V
vs. Ambient Temperature
IN
OUT
= 12V
-25
AMBIENT TEMPERATURE (°C)
= 0.8, 1.2, 1.8V
1
1
Thermal Derating*
vs. Output Current
vs. Output Current
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
0
2
2
25
1.8V
3
3
M9999-071311-A
50
V
V
V
V
IN
IN
IN
OUT
IN
OUT
4
4
75
= 12V
= 12V)
= 24V)
= 24V
MIC26603
= 1.8V
= 1.8V
0.8V
100
5
5
125
6
6