The LM5000 is a monolithic integrated circuit specifically designed and optimized for flyback, boost or forward power converter applications. The internal power switch is rated for a maximum of 80V, with a current limit set to 2A. Protecting the power switch are current limit and thermal shutdown circuits. The current mode control scheme provides excellent rejection of line transients and cycle-by-cycle current limiting. An external compensation pin and the built-in slope compensation allow the user to optimize the frequency compensation. Other distinctive features include softstart to reduce stresses during start-up and an external shutdown pin for remote ON/OFF control. There are two operating frequency ranges available. The LM5000-3 is pin selectable for either 300kHz (FS Grounded) or 700kHz (FS Open). The LM5000-6 is pin selectable for either 600kHz (FS Grounded) or 1.3MHz (FS Open). The device is available in a low profile 16-lead TSSOP package or a thermally enhanced 16-lead LLP package.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | LM5000 High Voltage Switch Mode Regulator datasheet (Rev. D) | 09 Mar 2007 | |
| Selection guide | Power Management Guide 2018 (Rev. R) | 25 Jun 2018 | ||
| Technical article | High cell battery packs fuel new applications and extend time between charges | 03 Sep 2015 | ||
| EVM User's guide | LM5000EVAL Non-Isolated Flyback Evaluation Module User’s Guide | 21 Jul 2014 | ||
| Technical article | Why wide VIN ICs for a 12V or 24V rail? | 29 Oct 2013 | ||
| Application note | Automated Frequency Response Analyzer | 09 Oct 2013 | ||
| White paper | Wide VIN power management ICs simplify white paper (Rev. A) | 19 Sep 2013 | ||
| White paper | HV, Single-Chip DC/DC Reg Optimized for Flyback, Boost, or Frwd-Pwr Conv Apps | 01 Oct 2003 | ||
| Application note | HV, single IC DC/DC reg optimizd for flyback, boost, or forward pwr cnvrtr apps | 24 Mar 2003 |
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