| TYPE | DESCRIPTION |
|---|
| Case/Package | TSSOP-16 |
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.
● 80V internal switch
● Operating input voltage range of 3.1V to 40V
● Pin selectable operating frequency
● 300kHz/700kHz (-3)
● 600kHz/1.3MHz (-6)
● Adjustable output voltage
● External compensation
● Input undervoltage lockout
● Softstart
● Current limit
● Over temperature protection
● External shutdown
● Small 16-Lead TSSOP or 16-Lead LLP package
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