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AL8811

Diodes
Part Number AL8811
Manufacturer Diodes
Description Boost/Buck/Inverting DC-DC CONVERTER
Published Aug 6, 2015
Detailed Description AL8811 Boost/Buck/Inverting DC-DC CONVERTER Description The AL8811 is a monolithic control circuit containing the prima...
Datasheet PDF File AL8811 PDF File

AL8811
AL8811

Overview
AL8811 Boost/Buck/Inverting DC-DC CONVERTER 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 Boost, Buck and voltage-inverting applications with a minimum number of external components.
Pin Assignments   Features  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  Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)  Halogen and Antimony Free.
“Green” Device (Note 3)  MSOP-8 Applications  Low Voltage LED Lighting such as MR-16  General Purpose DC-DC Converter Notes: 1.
No purposely added lead.
Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2.
See http://www.
diodes.
com/quality/lead_free.
html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3.
Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds.
Typical Application Diagram Electronic Transformer compatible MR16 lamp Simplified Schematic AL8811 Document number: DS36090 Rev.
2 - 2 1 of 11 www.
diodes.
com June 2013 © Diodes Incorporated AL8811 Pin Descriptions Pin Name Pin Number Descriptions Current Switch+ Current Switch- Internal switch transistor collector: 1 Connect to Inductor for boost converter.
Connect to VCC for Buck or Inverting converter Internal switch transistor emitter: 2 Connect to GND for boost converter Connect to Inductor for buck or inverting converter CT 3 Timing Capacitor to control the switching frequency GND 4 ...


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