LM26484SQEV National Semiconductor, LM26484SQEV Datasheet
LM26484SQEV
Specifications of LM26484SQEV
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LM26484SQEV Summary of contents
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... VOUT LDO set to 1.0V. Because the LM26484 is externally configurable and has many voltage options possible to change the feedback network to get a different regulator output voltage. Details are included in this document. © 2009 National Semiconductor Corporation National Semiconductor Application Note 1858 John Woodward November 4, 2009 ...
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Package Drawing of LM26484 Pin Descriptions Pin # Name I/O 1 VIN1 I 2 ENSW1 I 3 FB1 I 4 AVIN I 5 FB2 I 6 ENSW2 I 7 VIN2 I 8 VIN2 I 9 SW2 O 10 SW2 O ...
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Evaluation Board Description From a common input voltage the user has access to two DC- DC step-down converters and one LDO controller. The output voltages of the two converters are configured via the feedback network which is external to the ...
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LDO Controller The LDO controller must have its feedback network assem- bled before proper operation as well. Select the components TABLE 2. LDO Configuration and Component Selection Guide Target Ideal Resistor Values V (V) R5 (KΩ) OUT 0.8 120 0.9 ...
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Using Evaluation Board to Supply Power It is important to connect the LM26484 Buck and LDO using proper ground returns. This will enable the output voltage clean as possible. As seen below, connect each V and its ...
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Bill of Materials Item Designator C1, C1A, C2, C5, Taiyo Yuden C5A, C7, C12, C17 4 C9, C10, C11, C14 C6,C15 7 C4 C16 9 L2 ...
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LM26484 Board Layout Silkscreen Top Signal Plane Ground Signal 4 Bottom 30066021 30066024 Signal Plan VDD_M (Board Power) 30066022 7 30066023 Signal Top Layer 30066025 www.national.com ...
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... For more National Semiconductor product information and proven design tools, visit the following Web sites at: Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www.national.com/ldo LED Lighting www ...