MIC26903 MICREL [Micrel Semiconductor], MIC26903 Datasheet - Page 10

• Manufacturer Part Number: MIC26903
• Description: 28V, 9A Hyper Light Load Synchronous DC/DC Buck Regulator
• Manufacturer: MICREL [Micrel Semiconductor]

Micrel, Inc.
Typical Characteristics (Continued)
Die Temperature* : The temperature measurement was taken at the hottest point on the MIC26903 case mounted on a 5 square inch 4 layer, 0.62”,
FR-4 PCB with 2oz finish copper weight per layer, see Thermal Measurement section. Actual results will depend upon the size of the PCB, ambient
temperature and proximity to other heat emitting components.
July 2011
14
12
10
8
6
4
2
0
-50
V
V
vs. Ambient Temperature
IN
OUT
= 12V
-25
AMBIENT TEMPERATURE (°C)
= 2.5, 3.3, 5V
Thermal Derating*
0
5V
25
50
2.5V
75
100
125
14
12
10
8
6
4
2
0
-50
V
V
vs. Ambient Temperature
IN
OUT
= 24V
-25
AMBIENT TEMPERATURE (°C)
= 0.8, 1.2, 2.5V
Thermal Derating*
0
2.5V
25
10
50
75
0.8V
100
125
M9999-071311-A
MIC26903