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MIC22705 Datasheet(PDF) 6 Page - Micrel Semiconductor

Part # MIC22705
Description  1MHz, 7A Integrated Switch High-Efficiency Synchronous Buck Regulator
PDF  28 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC22705 Datasheet(HTML) 6 Page - Micrel Semiconductor

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Micrel, Inc.
MIC22705
December 2010
6
M9999-121710-A
Typical Characteristics
VIN Operating Supply Current
vs. Input Voltage
0
5
10
15
20
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
VOUT = 1.8V
IOUT = 0A
SWITCHING
VIN Shutdown Current
vs. Input Voltage
0
4
8
12
16
20
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
VEN/DLY = 0V
Feedback Voltage
vs. Input Voltage
0.693
0.697
0.700
0.704
0.707
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
VOUT = 1.8V
Load Regulation
vs. Input Voltage
0.0%
0.2%
0.4%
0.6%
0.8%
1.0%
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
VOUT = 1.8V
IOUT = 0A to 7A
Current Limit
vs. Input Voltage
0
5
10
15
20
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
VOUT = 1.8V
Switching Frequency
vs. Input Voltage
800
900
1000
1100
1200
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
VOUT = 1.8V
IOUT = 0A
Enable Threshold
vs. Input Voltage
1.0
1.1
1.2
1.3
1.4
1.5
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
Enable Input Current
vs. Input Voltage
0
1
2
3
4
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
VEN/DLY = 0V
Power Good Threshold/VREF Ratio
vs. Input Voltage
80%
85%
90%
95%
100%
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
VREF = 0.7V



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