1.5A High Power LED Driver

The ZD850 is a constant off-time, high power LED Driver IC using a Buck Converter Topology that is capable of driving up to 1.5A of output current. It operates from an input voltage range of 4VAC to 16VAC or 5VDC to 24VDC and generates a regulated programmable constant output current for high power LEDs A patent pending design technique with AC/ DC bridge recti er, linear Regulator and internal high voltage NDMOS power Switch has been designed on-chip to reduce component count by eliminating the need for an external power Switch and Diode bridge. Based on high ef cient PFM control design, the minimum Off-Time in the controlled fre- quency range is set at a typical 1.5s, allowing a good LED current regulation over a wide range of supply voltage with respect to using conventional transformers or E-transformers. Built-in thermal and over-voltage circuitry protects the power Transistors from excessive power dissipation. By ywyn Corporation
ZD850 's PackagesZD850 's pdf datasheet

ZD850 Pinout, Pinouts
ZD850 pinout,Pin out
This is one package pinout of ZD850,If you need more pinouts please download ZD850's pdf datasheet.

ZD850 Application circuits
ZD850 circuits
This is one application circuit of ZD850,If you need more circuits,please download ZD850's pdf datasheet.

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