MIC2176-1 MICREL [Micrel Semiconductor], MIC2176-1 Datasheet - Page 7

• Manufacturer Part Number: MIC2176-1
• Description: Wide Input Voltage, Synchronous Buck Controllers Featuring Adaptive On-Time Control
• Manufacturer: MICREL [Micrel Semiconductor]

Micrel, Inc.
Typical Characteristics (Continued)
November 2010
10
22
20
18
16
14
12
10
240
220
200
180
160
0.808
0.806
0.804
0.802
0.800
0.798
0.796
0.794
0.792
8
6
4
2
0
-50
-50
-50
-50
V
V
-20
IN
-20
DD
-20
Operating Supply Current
-20
Switching Frequency
Operating Supply Current
TEMPERATURE (°C)
TEMPERATURE (°C)
vs. Temperature
vs. Temperature
Feedback Voltage
vs. Temperature
vs. Temperature
TEMPERATURE (°C)
10
TEMPERATURE (°C)
10
10
10
40
40
40
40
MIC2176-2
V
V
I
V
SWITCHING
OUT
70
MIC2176-2
V
V
I
V
SWITCHING
70
V
V
I
V
OUT
OUT
70
IN
OUT
DD
70
IN
OUT
DD
IN
OUT
DD
MIC2176-1
V
V
I
V
OUT
= 48V
= 0A
= 48V
IN
OUT
DD
= 5V
= 48V
= 0A
= 0A
= 5V
= 5V
= 3.3V
= 3.3V
= 3.3V
= 48V
= 0A
= 5V
= 3.3V
100
100
100
100
130
130
130
130
100
0.8
0.6
0.4
0.2
-0.2%
30
25
20
15
10
1.0%
0.8%
0.6%
0.4%
0.2%
0.0%
80
60
40
20
5
0
1
0
0
-50
-50
-50
-50
-20
V
I
V
V
OUT
-20
-20
IN
DD
EN
V
V
-20
= 48V
= 0A
= 0V
= 5V
IN
DD
vs. Temperature
vs. Temperature
TEMPERATURE (°C)
EN Bias Current
vs. Temperature
TEMPERATURE (°C)
TEMPERATURE (°C)
Shutdown Current
TEMPERATURE (°C)
Shutdown Current
10
vs. Temperature
Load Regulation
10
10
10
40
40
40
40
7
V
V
V
I
OUT
V
V
I
OUT
IN
OUT
DD
70
70
IN
DD
V
V
V
70
70
= 48V
IN
EN
DD
= 5V
= 0A to 5A
= 48V
= 5V
= 0A
= 3.3V
= 48V
= 0V
= 5V
100
100
100
100
130
130
130
130
4.2
4.0
3.8
3.6
3.4
3.2
3.0
20
15
10
-0.2%
1.0%
0.8%
0.6%
0.4%
0.2%
0.0%
5
0
-50
-50
-50
V
V
V
-20
-20
IN
OUT
DD
-20
= 48V
= 5V
V
= 3.3V
DD
Falling
TEMPERATURE (°C)
vs. Temperature
TEMPERATURE (°C)
vs. Temperature
TEMPERATURE (°C)
10
vs. Temperature
10
Line Regulation
Current Limit
UVLO Threshold
10
Rising
40
40
40
V
V
I
V
OUT
IN
OUT
DD
M9999-111710-A
70
70
V
= 6V to 70V
= 0A
= 5V
70
IN
= 3.3V
= 48V
100
100
100
MIC2176
130
130
130