MIC2176-1 MICREL [Micrel Semiconductor], MIC2176-1 Datasheet - Page 6

• 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
November 2010
30
25
20
15
10
0.808
0.806
0.804
0.802
0.800
0.798
0.796
0.794
0.792
5
0
240
220
200
180
160
0
0
0
V
10
IN
10
10
Operating Supply Current
Switching Frequency
20
Feedback Voltage
vs. Input Voltage
vs. Input Voltage
INPUT VOLTAGE (V)
vs. Input Voltage
20
INPUT VOLTAGE (V)
20
INPUT VOLTAGE (V)
30
30
30
40
40
40
V
V
I
OUT
OUT
DD
MIC2176-2
V
I
V
SWITCHING
OUT
MIC2176-2
V
I
V
OUT
DD
50
OUT
50
= 0A
OUT
DD
= 5V
50
= 3.3V
= 0A
= 5V
= 3.3V
= 0A
= 5V
= 3.3V
60
60
60
70
70
70
1.0%
0.8%
0.6%
0.4%
0.2%
0.0%
40
35
30
25
20
15
10
5
0
0
0
10
10
V
IN
vs. Input Voltage
20
Shutdown Current
INPUT VOLTAGE (V)
vs. Input Voltage
Total Regulation
20
INPUT VOLTAGE (V)
30
30
6
40
40
V
V
I
OUT
OUT
DD
V
V
DD
EN
= 5V
= 0A to 5A
50
= 3.3V
50
= 0V
= 5V
60
60
70
70
10
20
15
10
8
6
4
2
0
5
0
0
0
V
DD
10
10
Operating Supply Current
vs. Input Voltage
20
20
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
vs. Input Voltage
Current Limit
30
30
40
40
M9999-111710-A
MIC2176-2
V
I
V
SWITCHING
OUT
V
V
50
OUT
DD
50
OUT
DD
= 0A
= 5V
= 5V
= 3.3V
= 1.2V
MIC2176
60
60
70
70