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MIC261203ZA_14 Datasheet, PDF (6/29 Pages) Micrel Semiconductor – Synchronous DC-to-DC Buck Regulator
◁
Micrel, Inc.
Typical Characteristics
VIN Operating Supply Current
vs. Input Voltage
30
25
20
15
VOUT = 1.8V
10
IOUT = 0A
SWITCHING
5
0
4
10
16
22
28
INPUT VOLTAGE (V)
Feedback Voltage
vs. Input Voltage
0.608
0.604
0.600
0.596
0.592
4
VOUT = 1.8V
IOUT = 0A
10
16
22
28
INPUT VOLTAGE (V)
Switching Frequency
vs. Input Voltage
700
650
VOUT = 1.8V
IOUT = 0A
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%
VOUT = 1.8V
IOUT = 0A to 12A
0.0%
-0.5%
-1.0%
4
10
16
22
28
INPUT VOLTAGE (V)
Enable Input Current
vs. Input Voltage
16
VEN = VIN
12
8
4
0
4
10
16
22
28
INPUT VOLTAGE (V)
MIC261203-ZA
VDD Output Voltage
vs. Input Voltage
10
8
6
4
VFB = 0.9V
2
IDD = 10mA
0
4
10
16
22
28
INPUT VOLTAGE (V)
Current Limit
vs. Input Voltage
30
25
20
15
10
5
VOUT = 1.8V
0
4
10
16
22
28
INPUT VOLTAGE (V)
PG Threshold/VREF Ratio
vs. Input Voltage
100%
95%
90%
85%
80%
4
VREF = 0.6V
10
16
22
28
INPUT VOLTAGE (V)
July 22, 2014
6
Revision 1.1
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