Datasheet

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12 Application Circuit
Figure 9. Application Circuit: Input 36 to 75V, Output 3.3V, 30A
Table 1. Bill of Materials (BOM)
Item Part Description Qty Ref Designator Remark
1 LM5035 Controller MH20 1 U1 TI LM5035
2 LM5110 Dual Driver 1 U2 TI LM5110
3 LM8261 Op Amp SOT23-5 1 U3 TI LM8261
4 LM4041 Ref Amp SOT23 1 U5 TI LM4041
5 Opto-Coupler PS2811-1M 1 U4 NEC PS2811-1M
6 Digital Isolator IC SOIC-8 1 U6 Silicon Labs SI8420BB-D
7 Cer Cap 47pF 50V COG 0603 1 C21 TDK C1608COG1H470J
8 Cer Cap 150pF 50V COG 0603 1 C26 TDK C1608COG1H151J
9 Cer Cap 470pF 50V COG 0603 1 C34 TDK C1608COG1H471J
10 Cer Cap 1000pF 50V X7R 0603 2 C19, C37 TDK C1608X7R1H102K
11 Cer Cap 2000pF 50V COG 0603 2 C27, C32 TDK C1608COG1H222J
12 Cer Cap 6800pF 50V COG 0603 1 C28 TDK C1608COG1H682J
13 Cer Cap 0.022uF 25V COG 0603 1 C35 TDK C1608COG1E223J
14 Cer Cap 0.1uF 50V X7R 0603 3 C2, C33, C36 TDK C1608X7R1H104K
15 Cer Cap 1.0uF 16V X7R 0603 2 C25, C31, C29, C20 TDK C1608X7R1C105K
16 Cer Cap 470pF 50V COG 0805 2 C15, C16 KEMT
C0805C471M5RAC
17 Cer Cap 0.1uF 100V X7R 0805 2 C17, C24 TDK C2012X7R2A104K
18 Cer Cap 0.33uF 50V X7R 0805 1 C7 TDK C2012X7R1H334K
19 Cer Cap 2.2uF 16V X7R 0805 2 C1, C22 TDK C2012X7R1C225K
7
SNVA433A–March 2010–Revised May 2013 AN-2043 LM5035C Evaluation Board
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