AN-1800| Application Note
Evaluation Kit for LM26480 - Dual DC/DC Buck Regulators with Dual Low-Noise Linear Regulators
Evaluation Kit for LM26480 Dual DC/DC Buck Regulators with Dual LowNoise Linear Regulators
Application Manual
LM26480 OVERVIEW The LM26480 is a multi-function, programmable Power Management Unit, optimized for low power digital applications. This device integrates two highly efficient 1.5A step-down DC/ DC converters and two 300 mA Linear Regulators. The LM26480 is offered in a tiny 4 x 4 x 0.8 mm LLP 24 pin package.
National Semiconductor Application Note 1800 John Woodward September 3, 2008
EVALUATION KIT OVERVIEW The LM26480 Evaluation kit comes preassembled with VOUT Buck1 set to 1.8V, VOUT Buck2 set to 3.3V, VOUT LDO1 set to 1.0V, and VOUT LDO2 set to 1.2V. These may not be what the user would like for their evaluation, so it is possible to change any of the regulator outputs by adjusting its feedback network. Details are in this document. The LM26480 Evaluation Kit allows the user to effectively utilize all of the functions of the LM26480. The evaluation kit consists of: LM26480 evaluation board LM26480 datasheet Evaluation Manual (this document)
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FIGURE 1. LM26480 Evaluation Board
AN-1800
2008 National Semiconductor Corporation
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