XL6009 DC-DC Step-Up/Buck-Boost Converter Module

Adjustable boost/buck-boost converter, 3-32V in to 5-35V out, ~4A peak, LM2577-class.

₹110 + 18% GST

SKU: BOTBIT-PWR-08 · Best for: Boosting a battery pack to a steady 12V, 19V or 24V

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Overview

About XL6009 DC-DC Step-Up/Buck-Boost Converter Module.

The XL6009 is a versatile adjustable DC-DC converter most commonly used as a step-up (boost) module, and in the right wiring also as a buck-boost stage. It is the upgraded, higher-frequency successor to the classic LM2577-based boards, offering better efficiency and a smaller footprint for the same job.

The module accepts an input of about 3V to 32V and produces an adjustable output from 5V to 35V, with a peak input current rating of around 4A (usable output current is lower and drops as the step-up ratio rises). Its 400kHz switching keeps the inductor compact, and a multi-turn trimmer sets the output precisely.

At around Rs 110 it is a popular choice in India whenever a project needs a higher, adjustable voltage from a variable or lower source, for example holding a steady 12V from a discharging battery pack. It is a step up in capability from the tiny MT3608 when you need more input range and current.

Key features

Why it stands out.

Adjustable boost / buck-boost output via a multi-turn trimmer

Wide input range of about 3V to 32V DC

Output adjustable from 5V to 35V

Peak input current up to ~4A (usable output current lower, ratio dependent)

400kHz switching for a compact board versus older LM2577 designs

LM2577-class upgrade with the second-generation XL6009 core

Specifications

Selection facts.

Regulator IC	XL6009 (LM2577-class upgrade)
Input voltage	3V to 32V DC
Output voltage	5V to 35V (adjustable)
Peak input current	Up to ~4A
Switching frequency	400kHz
Efficiency	Up to ~94%
No-load current	Approx 18mA
Output ripple	~50mV max
Board size	Approx 43 x 21 x 14mm

Applications

Where it is used.

Boosting a battery pack to a steady 12V, 19V or 24V
Maintaining output voltage as a battery discharges
Powering laptops, routers or 12V devices from lower sources
Portable and solar projects needing an adjustable higher voltage
LED strings and drivers requiring a set voltage above the input
Bench experiments needing a flexible step-up supply

Buying guide

How to choose.

Choose the XL6009 when you need more input range and current headroom than the small MT3608 can offer, or when you want the improved efficiency of an LM2577-class upgrade. It is well suited to holding a fixed higher voltage from a source that varies, such as a discharging battery.

In its standard boost wiring the output must be at or above the input; remember that usable output current falls as you boost to higher voltages, so size the module generously for your load. Always set the output with a multimeter on the trimmer before connecting your circuit.

Pair it with a battery pack or DC source, a multimeter for setting the voltage, and adequate cooling or airflow if you run it near its peak current.

FAQ

Common questions.

Is the XL6009 a boost or a buck-boost converter?

It is used most commonly as a boost (step-up) module, where the output is at or above the input. It is an LM2577-class part and in the appropriate topology can serve buck-boost roles, but the common breakout board is wired as an adjustable boost.

How much output current can I actually draw?

The ~4A figure is the peak input current rating. Usable output current is lower and decreases as you step up to higher voltages, so keep well within limits and add cooling for sustained loads.

How does it compare to the MT3608?

The XL6009 offers a wider input range and more current headroom than the tiny MT3608, and is an upgrade over older LM2577 boards. Choose it for more demanding boost jobs; use the MT3608 for small, low-power builds.

How do I set the output voltage?

Turn the multi-turn trimmer while measuring the output with a multimeter, and set it before connecting your load. The output starts near the input voltage and rises as you adjust.

Is it available in India?

Yes, the XL6009 module is commonly stocked by BotBit and ships across India.