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Go BackSelect calculator
IS32PM3510 component calculator Version
Design Specs
TOPOLOGY SELECT::Select
VoutV
Vcc(minimum)V
Vcc(typical) V
Vcc(maximum) V
Frequency kHz
TopologyBOOST::Step 1 - Application Requirements
BOOST:: Step 2 - Operating Frequency
BOOST:: Step 3 - Inductor Value
BOOST:: Step 4 - Parameters Based on Actual Chosen Inductor
BOOST:: Step 5 -Sense Resistor(RCS)
BOOST:: Step 6 -Output Capacitors(COUT)
BOOST:: Step 7 -Input Capacitors(CIN)
BOOST:: Step 8 -Loop Compensation
BOOST:: Step 9 -MOSFET and Diode Select
BUCK::Step 1 - Application Requirements
BUCK:: Step 2 - Operating Frequency
BUCK:: Step 3 - Inductor Value
BUCK:: Step 4 - Parameters Based on Actual Chosen Inductor
BUCK:: Step 5 -Sense Resistor(RCS)
BUCK:: Step 6 -Input Current Sense Resistor(RINSEN)
BUCK:: Step 7 -Input Capacitors(CIN)
BUCK:: Step 8 -Output Capacitors(COUT)
BUCK:: Step 9 -Loop Compensation
BUCK:: Step 10 -MOSFET and Diode Select
BUCKBOOST::Step 1 - Application Requirements
BUCKBOOST:: Step 2 - Operating Frequency
BUCKBOOST:: Step 3 - Inductor Value
BUCKBOOST:: Step 4 - Parameters Based on Actual Chosen Inductor
BUCKBOOST:: Step 5 -Sense Resistor(RCS)
BUCKBOOST:: Step 6 -Input Current Sense Resistor(RINSEN)
BUCKBOOST:: Step 7 -Input Capacitors(CIN)
BUCKBOOST:: Step 8 -Output Capacitors(COUT)
BUCKBOOST:: Step 9 -Loop Compensation
BUCKBOOST:: Step 10 -MOSFET and Diode Select
RecalculateDesign Results
TOPOLOGY SELECT::Select
12V
Vout
9V
Vcc(minimum)
12V
Vcc(typical)
16V
Vcc(maximum)
400kHz
Frequency
BUCKBOOST
Topology
BOOST::Step 1 - Application Requirements
36V
Vout
9V
12V
16V
0.5A
0.3
0.9
179.8kΩ
6.2kΩ
0.67typical
0.56minimum
0.75maximum
BOOST:: Step 2 - Operating Frequency
400kHz
125.37kΩ
120kΩ
416.86kHz
BOOST:: Step 3 - Inductor Value
24.29µH
22µH
BOOST:: Step 4 - Parameters Based on Actual Chosen Inductor
0.98A
0.74A
0.97A
1.11A
2.22A
1.25A
2.59A
3.5A
2.67A
BOOST:: Step 5 -Sense Resistor(RCS)
22.87mΩ
22mΩ
3.5A
BOOST:: Step 6 -Output Capacitors(COUT)
50mV
17.99µF
40µF
BOOST:: Step 7 -Input Capacitors(CIN)
30mV
9.81µF
BOOST:: Step 8 -Loop Compensation
455μS
0.41S
32.55kHz
41.69kHz
3.26kHz
3.26kHz
2.3kHz
92.23kΩ
0.58khz
2.99nF
75.03pF
BOOST:: Step 9 -MOSFET and Diode Select
35.98nC
46.8V
1A
46.8V
BUCK::Step 1 - Application Requirements
5V
9V
12V
16V
3A
0.2
1.5
0.94
31.67kΩ
10kΩ
0.42typical
0.31minimum
0.56maximum
BUCK:: Step 2 - Operating Frequency
400kHz
125.37kΩ
120kΩ
416.86kHz
BUCK:: Step 3 - Inductor Value
1.83µH
8.88µH
5.36µH
6.8µH
BUCK:: Step 4 - Parameters Based on Actual Chosen Inductor
1.03A
0.78A
1.21A
3.61A
2.61A
4.69A
3.6A
BUCK:: Step 5 -Sense Resistor(RCS)
19.76mΩ
18mΩ
3.72A
BUCK:: Step 6 -Input Current Sense Resistor(RINSEN)
14.79mΩ
14mΩ
5.71A
BUCK:: Step 7 -Input Capacitors(CIN)
50mV
37.81µF
BUCK:: Step 8 -Output Capacitors(COUT)
30mV
12.12µF
22µF
BUCK:: Step 9 -Loop Compensation
455μS
1.85S
20.84kHz
16.6kHz
11.35kΩ
4.17khz
3.36nF
84.49pF
BUCK:: Step 10 -MOSFET and Diode Select
35.98nC
20.8V
4.1A
20.8V
BUCKBOOST::Step 1 - Application Requirements
10.6V
9V
12V
16V
2.2A
0.3
1.5
0.9
33.68kΩ
4.3kΩ
0.15V
0.66V
Vcc=maximum
BUCKBOOST:: Step 2 - Operating Frequency
400kHz
125.37kΩ
124kΩ
404.16kHz
BUCKBOOST:: Step 3 - Inductor Value
2.68µH
13.41µH
8.05µH
10µH
BUCKBOOST:: Step 4 - Parameters Based on Actual Chosen Inductor
0.34A
0.89A
3.05A
1.9A
2.88A
2.2A
5.13A
3.45A
BUCKBOOST:: Step 5 -Sense Resistor(RCS)
19.44mΩ
15mΩ
5.13A
4.47A
BUCKBOOST:: Step 6 -Input Current Sense Resistor(RINSEN)
17.5mΩ
15mΩ
5.33A
BUCKBOOST:: Step 7 -Input Capacitors(CIN)
20mV
67.62µF
BUCKBOOST:: Step 8 -Output Capacitors(COUT)
10mV
82.16µF
80µF
BUCKBOOST:: Step 9 -Loop Compensation
455μS
2.06S
55.28kHz
40.42kHz
5.53kHz
5.53kHz
5kHz
23.7kΩ
1.26khz
5.35nF
134.28pF
BUCKBOOST:: Step 10 -MOSFET and Diode Select
37.11nC
20.8V
1.3A
4.4A
20.8V
Schematic
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