MIC261203 MICREL [Micrel Semiconductor], MIC261203 Datasheet - Page 8

• Manufacturer Part Number: MIC261203
• Manufacturer: MICREL [Micrel Semiconductor]

Micrel, Inc.
Typical Characteristics (Continued)
July 2011
100
100
-0.5%
-1.0%
1.0%
0.5%
0.0%
90
80
70
60
50
95
90
85
80
75
70
65
60
55
50
0
0
0
12V
IN
2
Efficiency (V
vs. Output Current
3
24V
2
vs. Output Current
vs. Output Current
V
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
IN
OUTPUT CURRENT (A)
Line Regulation
IN
= 5V
Efficiency
4
4
6
6
V
V
6
IN
OUT
IN
= 4.5V to 28V
9
V
= 1.8V
= 5V)
OUT
8
8
= 1.8V
12
10
10
3.3V
2.5V
1.8V
1.5V
1.2V
1.0V
0.9V
0.8V
1
1
15
2
2
0.808
0.804
0.800
0.796
0.792
700
650
600
550
500
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
3
V
V
0
IN
OUT
IC Power Dissipation (V
= 5V
= 0.8V, 1.0V, 1.2V, 1.5V, 1.8V, 2.5V, 3.3V
4.5
Switching Frequency
2
vs. Output Current
vs. Output Current
OUTPUT CURRENT (A)
Feedback Voltage
OUTPUT CURRENT (A)
V
V
OUTPUT CURRENT (A)
vs. Output Current
3
IN
OUT
= 12V
6
= 1.8V
4
3.3V
7.5
8
6
6
V
V
IN
OUT
9
8
= 12V
0.8V
= 1.8V
9
IN
10.5
= 5V)
10
12
1
1
2
2
100
1.819
1.814
1.810
1.805
1.800
1.796
1.791
1.787
1.782
5.0
4.6
4.2
3.8
3.4
3.0
80
60
40
20
0
0
0
0
Die Temperature* (V
Output Voltage (V
2
3
vs. Output Current
2
vs. Output Current
vs. Output Current
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
OUTPUT CURRENT (A)
Output Voltage
4
4
6
6
6
M9999-071311-A
V
V
IN
OUT
9
= 12V
V
V
V
V
IN
= 1.8V
IN
FB
IN
IN
OUT
MIC261203
8
8
= 5V)
= 5V
= 5V
< 0.8V
= 5V)
= 1.8V
12
10
10
T
25ºC
85ºC
125ºC
A
1
15
1
2
2