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MIC26603ZA Datasheet, PDF (6/28 Pages) Micrel Semiconductor – 28V, 6A Hyper Speed Control Synchronous DC/DC Buck Regulator
◁
Micrel, Inc.
Typical Characteristics
VIN Operating Supply Current
vs. Input Voltage
20
16
12
8
4
VOUT = 1.8V
IOUT = 0A
SWITCHING
0
4
10
16
22
28
INPUT VOLTAGE (V)
0.608
0.604
0.600
0.596
0.592
4
Feedback Voltage
vs. Input Voltage
VOUT = 1.8V
IOUT = 0A
10
16
22
28
INPUT VOLTAGE (V)
Switching Frequency
vs. Input Voltage
700
VOUT = 1.8V
IOUT = 0A
650
600
550
500
4
10
16
22
28
INPUT VOLTAGE (V)
VIN Shutdown Current
vs. Input Voltage
60
VEN = 0V
REN = OPEN
45
30
15
0
4
10
16
22
28
INPUT VOLTAGE (V)
Total Regulation
vs. Input Voltage
1.0%
0.5%
0.0%
-0.5%
-1.0%
4
VOUT = 1.8V
IOUT = 0A to 6A
10
16
22
28
INPUT VOLTAGE (V)
Enable Input Current
vs. Input Voltage
16
12
8
4
VEN = VIN
0
4
10
16
22
28
INPUT VOLTAGE (V)
MIC26603-ZA
VDD Output Voltage
vs. Input Voltage
10
8
6
4
2
VFB = 0.9V
IDD = 10mA
0
4
10
16
22
28
INPUT VOLTAGE (V)
Current Limit
vs. Input Voltage
20
15
10
5
VOUT = 1.8V
0
4
10
16
22
28
INPUT VOLTAGE (V)
PG/VREF Ratio
vs. Input Voltage
100%
95%
90%
85%
80%
4.0
VREF = 0.6V
10.0
16.0
22.0
28.0
INPUT VOLTAGE (V)
May 21, 2013
6
Revision 1.0
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