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SD42560 - BUCK/BOOST/BUCK-BOOST LED DRIVER

General Description

The SD42560 is PWM control LED driver in Buck/Boost/Buck-Boost modes with thermal shutdown circuit, current limit circuit and PWM dimming circuit.

And good line regulation and load regulation are available with wide voltage input.

Key Features

  • 5~36V input voltage range.
  • Maximum 1A output current (Buck mode).
  • 0.3Ω built-in power MOSFET.
  • PWM dimming function.
  • 280kHz fixed frequency.
  • Excellent constant current accuracy ±3%.
  • High efficiency up to 96%.
  • Thermal shutdown.
  • Cycle-by-cycle over current protection.
  • Over voltage protection (boost/buck-boost mode).

📥 Download Datasheet

Datasheet Details

Part number SD42560
Manufacturer Silan Microelectronics
File Size 701.06 KB
Description BUCK/BOOST/BUCK-BOOST LED DRIVER
Datasheet download datasheet SD42560 Datasheet

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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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SD42560_Datasheet BUCK/BOOST/BUCK-BOOST LED DRIVER DESCRIPTION The SD42560 is PWM control LED driver in Buck/Boost/Buck-Boost modes with thermal shutdown circuit, current limit circuit and PWM dimming circuit. And good line regulation and load regulation are available with wide voltage input. The SD42560 adopts current mode control which provides fast transient response, excellent constant current characteristic and simple loop stabilization design. It has high efficiency: 96% for buck mode, 83% for buck-boost mode and 95% for boost mode, FEATURES * 5~36V input voltage range * Maximum 1A output current (Buck mode) * 0.3Ω built-in power MOSFET * PWM dimming function * 280kHz fixed frequency * Excellent constant current accuracy ±3% * High efficiency up to 96%.