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The LM3495 is a PWM buck regulator which implements a unique emulated peak current mode control. This control method eliminates the switching noise which typically limits current mode operation at extremely short duty cycles and high operating frequency. The switching frequency is programmable between 200 kHz and 1.5 MHz, and can also be synchronized to an external clock. The LM3495 is also very fault tolerant with both switch node short, hiccup mode, and adaptive duty cycle limit protection. A 0.6V 1% reference and glitch free pre-biased start-up ensure the most demanding digital loads operate reliably. Internal soft start and the ability to track the output of another supply make the LM3495 versatile and efficient.
| Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | LM3495 Emulated Peak Current Mode Buck Controller for Low Output Voltage datasheet (Rev. F) | 04 Apr 2013 | |
| User guide | LM3495 Buck Controller Evaluation Module User's Guide (Rev. C) | 01 Feb 2022 | ||
| Technical article | When and how to supply an external bias for buck controllers – part 2 | PDF | HTML | 22 Dez 2017 | |
| Analog Design Journal | Reduce buck-converter EMI and voltage stress by minimizing inductive parasitics | 21 Jul 2016 | ||
| Application note | Emulatd Cur Mode Cntrl for Buck Regs Using Sample and Hold Technique | 21 Mär 2007 |
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The Evaluation Board has been designed for testing of various circuits using the LM3495 buck regulator controller. A complete schematic for all the components is shown in Figure 3. The board is four layers, consisting of signal/power traces on top and bottom, one internal ground plane, and an (...)
| Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
|---|---|---|
| TSSOP (PW) | 16 | Ultra Librarian |
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