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DN86 - Reduced component count and compact reference design

General Description

The system diagram of the MR16 lamp solution with ZXLD1350 and ZXSBMR16PT8 is shown in Figure 2, and Table 1 provides the bill of materials.

The ZXLD1350 is designed for LED current drive applications of up to 350mA.

Key Features

  • of the ZXLD1350 are:.
  • Up to 380mA output current.
  • Wide input voltage range: 7V to 30V.
  • Internal 30V 400mA NDMOS switch.
  • High efficiency (>90% possible).
  • Up to 1MHz switching frequency The ZXSBMR16PT8 is a new space saving and thermally efficient device specifically designed for the critical requirements of MR16.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DN86 Reduced component count and compact reference design for MR16 replacement lamps using multiple 1W LEDs Silvestro Russo, October 2007 Introduction MR16 lamps are one variety of Multifaceted Reflector (MR) lamps that usually employ a halogen filament capsule as the light source. They are used in many retail and consumer lighting applications where their size, configurability, spot-lighting capability and aesthetics provide utility and creativity. Low efficiency, heat generation and halogen capsule handling issues are among the disadvantages of the technology. They typically operate from 12V DC or 12V AC, using conventional electromagnetic transformers. LEDs offer a more energy efficient and no radiated heat solution to replace some halogen lamp applications.