XL6009 Buck / Buck DC-DC Voltage Converter

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XL6009 Buck / Buck DC-DC Voltage Converter


XL6009 buck-boost DC-DC voltage converterThe up-down voltage converter on the XL6009 microcircuit assembled according to the SEPIC topology is capable of delivering a stable output voltage (from 1.25 to 35 volts) at any input voltage (from 5 to 32 volts). This means that at the output of the XL6009 pulse voltage converter, there will always be a given stable voltage, while at its input there can be a voltage either less or more than at its output.

The converter has built-in thermal protection and operating current limitation. The output voltage is regulated using a high precision potentiometer.

Applicable to XL6009 buck-boost converter in automotive notebook adapters, automotive and industrial applications requiring a voltage higher than line voltage, in portable electronics, indispensable in solar photovoltaic systems, wind power systems, and other applications where voltage fluctuations are present ...

XL6009 Specifications

  • Conversion efficiency (COP) : up to 94%;
  • Switching frequency : 400 kHz;
  • Working temperature : -40 to + 85 ° C;
  • Input voltage : 5-32V;
  • Output voltage : 1.25-35V (adjustable);
  • Maximum load current (Output current) : 3.0 A;
  • Limiting the working load current (Input current) : 4.0 A;
  • Output voltage ripple : <50mV;
  • Output voltage instability : <2.5%;
  • Protection : against short circuit and overheating (125 ° C);
  • Size : 52x33x12 mm;

XL6009 converter schematic diagram

Schematic diagram of a boost DC-DC converter that can be used to power a laptop from a car battery (12-14 V).
XL6009 - Schematic diagram of a DC-DC boost converterSchematic diagram of a buck-boost DC-DC converter. This circuit allows you to power a laptop from a power source with a voltage of 10 to 30 V.
XL6009 Buck-Buck DC-DC Converter Schematic DiagramInstead of R2, you can put a variable resistor and thereby obtain an adjustable stable output voltage.

Connection diagram XL6009 DC-DC converter

The input voltage, observing the polarity, is supplied to the input contacts "IN +" and "IN-", the output voltage is removed from the output contacts "OUT +" and "OUT-". The "-" bus is common, it can be combined to connect with one wire. When powering a load with a rated current consumption of more than 1.0A, it is necessary to install the heatsink on top of the microcircuit or, best of all, the board on the heatsink, observing the insulation of the conductive parts from the heatsink.
Connection diagram XL6009 DC-DC converter

The minimum input voltage is 5 volts, the module does not work correctly from the input less than 5 volts, you can get inadequate high voltage readings at the output. So this module is not suitable for powering devices from 18650 batteries and the like at 3.7 V.

Photo gallery XL6009

XL6009 Buck-Buck DC-DC Converter - Top View
XL6009 Buck-Buck DC-DC Converter - Bottom View
XL6009 - DC-DC Step-Up Converter - 12V

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