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User's Guide
SNVA037E–April 2001–Revised April 2013
AN-1193 LM3477 Evaluation Board
1 Introduction
The LM3477 is a current mode, high-side N channel FET controller. It is most commonly used in buck
configurations, as shown in Figure 1. All the power conducting components of the circuit are external to
the LM3477, so a large variety of inputs, outputs, and loads can be accommodated by the LM3477.
The LM3477 evaluation board comes ready to operate at the following conditions:
4.5 V ≤ V
IN
≤ 15 V
V
OUT
= 3.3 V
0A ≤ I
OUT
≤ 1.6A
The circuit and BOM for this application are given in Figure 1 and Table 1.
Figure 1. LM3477 Buck Converter
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SNVA037E–April 2001–Revised April 2013 AN-1193 LM3477 Evaluation Board
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