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User's Guide
SNVA675A–August 2012–Revised April 2013
AN-2284 LM34926 Isolated Evaluation Board
1 Introduction
An isolated bias supply is implemented in this evaluation board with LM34926 Constant-On-Time
regulator. LM34926 regulator integrates both the high and low side power switches essential for creating
isolated buck converter.
Board Specifications:
• Input Range: 20V to 100V
• Primary Output Voltage: 10V
• Secondary (Isolated) Output Voltage: 9.5V
• Maximum Load Current (Primary + Secondary): 250mA
• Maximum Power Output: 2.5W
• Nominal Switching Frequency: 750kHz
• Efficiency (FIN = 36V, IOUT2 = 250mA): 77 percent
• Board size: 2 inch x 2 inch
Figure 1. LM34926 Evaluation Board (Top View)
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SNVA675A–August 2012–Revised April 2013 AN-2284 LM34926 Isolated Evaluation Board
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