SNVA432D
March 2010 – January 2022
LM21305
Trademarks
1
LM21305 Overview
2
Typical Application Circuit
3
Evaluation Board Schematic
4
Evaluation Board Bill of Materials (BOM)
5
Connection Descriptions
6
Jumper Settings
7
Other Design Examples
8
Typical Performance Characteristics
9
Component Selection
9.1
Input Capacitors
9.2
AVIN Filter
9.3
Switching Frequency Selection
9.4
Inductor
9.5
Output Capacitor
9.6
Compensation Circuit
10
PCB Layout
11
Revision History
10
PCB Layout
Figure 10-1
PCB Top Layer
Figure 10-2
PCB Middle Layer 1
Figure 10-3
PCB Middle Layer 2
Figure 10-4
PCB Bottom Layer