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MPM3686 Datasheet(PDF) 18 Page - Monolithic Power Systems

Part # MPM3686
Description  18V 20A Step-Down Power Module in 12x15x4mm QFN
PDF  19 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MPM3686 Datasheet(HTML) 18 Page - Monolithic Power Systems

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MPM3686 – 18V 20A STEP-DOWN POWER MODULE
MPM3686 Rev. 1.02
www.MonolithicPower.com
18
10/13/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
Typical Design Parameter Table
The following table (Table 2) includes the recommended component values for typical designs.
Ref 
Vin (V) 
Vout 
(V) 
Rtrim (KΩ)
Ctrim (pF)
Rfreq (KΩ)
fs (KHz)
Cout 
(uF) 
Ripple (mV)
1 
12 
1 
6.49 
560
NS
400
5X47 
11.6
2 
12 
1 
6.49 
560
NS
400
3X47 
16.4
3 
12 
1 
6.49 
560
300
600
5X47 
5.0
4 
12 
1 
6.49 
560
300
600
3X47 
7.6
5 
12 
1 
6.49 
220
178
1000
3X47 
3.8
6 
12 
1 
6.49 
330
178
1000
5X47 
2.2
7 
12 
1.2 
10 
560
649
300
5X47 
24.0
8 
12 
1.2 
10 
560
649
300
3X47 
38.4
9 
12 
1.2 
10 
560
NS
500
5X47 
11.2
10 
12 
1.2 
10 
560
NS
500
3X47 
14.8
11 
12 
1.2 
10 
270
200
1000
5X47 
3.2
12 
12 
1.2 
10 
270
200
1000
3X47 
4.6
13 
12 
1.5 
15 
680
806
300
5X47 
32.8
14 
12 
1.5 
15 
680
806
300
3X47 
46.0
15 
12 
1.5 
15 
560
NS
600
5X47 
8.4
16 
12 
1.5 
15 
560
NS
600
3X47 
11.6
17 
12 
1.5 
15.8 
330
243
1000
5X47 
5.8
18 
12 
1.5 
15.8 
330
243
1000
3X47 
7.0
19 
12 
1.8 
21 
560
750
400
5X47 
25.4
20 
12 
1.8 
21 
560
750
400
3X47 
49.6
21 
12 
1.8 
21 
560
NS
750
5X47 
7.6
22 
12 
1.8 
21 
560
NS
750
3X47 
9.4
23 
12 
1.8 
21 
470
301
1000
5X47 
8.8
24 
12 
1.8 
21 
330
301
1000
3X47 
12.4
25 
12 
2.5 
34 
680
1000
400
5X47 
34.2
26 
12 
2.5 
34 
680
1000
400
3X47 
46.4
27 
12 
2.5 
35.7 
680
715
600
5X47 
18.8
28 
12 
2.5 
35.7 
680
715
600
3X47 
25.2
29 
12 
2.5 
34 
330
432
1000
5X47 
9.8
30 
12 
2.5 
34 
270
432
1000
3X47 
13.0
33 
12 
3.3 
49.9 
330
1000
600
5X47 
31.6
34 
12 
3.3 
49.9 
330
1000
600
7X47 
21.2
35 
12 
3.3 
49.9 
270
549
1000
5X47 
6.0
36 
12 
3.3 
49.9 
270
549
1000
3X47 
10.2
39 
12 
5 
90.9 
390
1500
600
5X47 
49.2
40 
12 
5 
90.9 
390
1500
600
7X47 
36.0
41 
12 
5 
90.9 
180
909
1000
5X47 
20.8
42 
12 
5 
90.9 
150
909
1000
3X47 
28.8
Table 2: Typical Design Examples



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