High EffiCiency Inductor Based Step-Up Converter For White LEDs

The ZD1937 is a constant frequency, current mode PWM, inductor based Step-up (boost) converter especially designed to drive multiple white LEDs in series. The LED current is regulated in this converter design so that all LEDs have the same current and therefore have inherently matched light output. The converter design operates at high frequency (1.2MHz) operation so that a small, low pro le inductor CAN be used as well a small value output integrating capacitor. By ywyn Corporation
ZD1937 's PackagesZD1937 's pdf datasheet
ZD1937LB5 SOT-23
ZD1937LEB5 SOT-23
ZD1937LEBC6 SC-70




ZD1937 Pinout, Pinouts
ZD1937 pinout,Pin out
This is one package pinout of ZD1937,If you need more pinouts please download ZD1937's pdf datasheet.

ZD1937 Application circuits
ZD1937 circuits
This is one application circuit of ZD1937,If you need more circuits,please download ZD1937's pdf datasheet.


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