Diodes Incorporated
3D MSOP 8

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AL8811

Boost/Buck/Inverting DC-DC Converter

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Description

The AL8811 is a monolithic control circuit containing the primary functions required for DC-to-DC converters. 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. This series is specifically designed for incorporating in Step-up, Step-Down and Voltage-Inverting applications with a minimum number of external components.

Feature(s)

  • Operation from 3.0V to 20V Input
  • Low Standby Current
  • Current Limiting
  • Output Switch Current to 1.6A
  • Output Voltage Adjustable
  • Frequency Operation to 100 kHz
  • Precision 2% Reference
  • MSOP-8L: Available in “Green” Molding Compound

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) Ext MOSFET
Maximum LED Current (A) Ext MOSFET
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 Voltage (mV) 400
AEC-Q100 Grade No

Related Content

Packages

Technical Documents

Evaluation Boards and User Guides

Recommended Soldering Techniques

TN1.pdf