ZXLD1370

ZXLD1370

Document number: DS32165 Rev. 4 - 2

33 of 36

www.diodes.com

March 2011

© Diodes Incorporated

A Product Line of

Diodes Incorporated

Typical Performance

Efficiency vs Input Voltage

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Figure 44. Efficiency

LED Current vs Input Voltage

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Figure 45. Line regulation

Example 3:

700mA Buck-Boost LED driver

In this application example, the ZXLD1370 is connected as a buck-boost LED driver. The schematic and parts list are

shown below. The LED driver is able to deliver 700mA of LED current into 4 high-brightness LEDs with an input voltage

range of 7V to 20V.

Since the Buck-boost LED driver handles an input voltage range from below and above the total LED voltage, the versatile

input voltage range make it ideal for automotive lighting applications.

Figure 46. Application circuit - 700mA Buck-Boost LED driver