Diodes Incorporated — Analog and discrete power solutions
U DFN6040 12

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AL8812

BOOST/BUCK DC-DC CONVERTER FOR DIMMABLE MR16 LED LAMPS

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Description

The AL8812 is a monolithic control circuit containing the primary functions required for DC-to-DC converters with MOSFET in one package. These devices consist of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active current limit circuit, driver and high current output switch. Additionally a 60V, 3.6A MOSFET is integrated for reduced BOM cost and size. This series is specifically designed for buck and boost applications with a minimum number of external components.

Feature(s)

  • Operation from 3.0V to 20V Input
  • Integrated 60V, 3.6A MOSFET
  • Low Standby Current
  • Current Limiting
  • Output Voltage Adjustable
  • Frequency Operation to 100 kHz
  • Precision 2% Reference
  • Totally Lead-Free & Fully RoHS Compliant
  • Halogen and Antimony Free. “Green” Device

Application(s)

  • Low Voltage LED Lighting such as MR-16
  • General Purpose DC-DC Converter

Product Specifications

Product Parameters

AEC Qualified No
Compliance (Only Automotive supports PPAP) Standard
Topologies (Buck) Yes
Topologies (Buck-Boost) Yes
Topologies (Boost) Yes
Topologies (Charge Pump) No
Minimum Input Voltage (V) 3
Maximum Input Voltage (V) 20
Maximum Output Voltage (V) 60
Maximum LED Current (A) 3.6
LED Current Accuracy (%) 2
Switching Frequency Maximum (kHz) 100
Dimming (PWM) No
Dimming (Analog) No
Efficiency (%) 90
Operating Temperature Range (°C) -40 to 105
Sense/Feedback Voltage (mV) 400
AEC-Q100 Grade No

Related Content

Packages

Technical Documents

Evaluation Board User Guides

Recommended Soldering Techniques

TN1.pdf