1.23V to 30V Step-Down Buck Converter SKU: 40404
1.23V to 30V Step-Down Buck Converter
$3.95 USD
This adjustable buck converter takes a higher voltage and efficiently cuts it down between 1.23~30VDC, without wasting the power a linear regulator or resistor will.
In stock
Description
Especially in battery-powered situations, you want to waste as little power as possible. When you use an LM7805 or resistor to reduce voltage levels, you turn the extra power into heat, wasting it. Fortunately, the LM2596 is a clever little IC that works with a coil to efficiently reduce voltage levels efficiently, which extends battery life and makes your design run cooler.
So let’s repeat that: This device only reduces a voltage to a new lower, regulated voltage. It won’t’ step it up (but there are other devices that will). Also, as good as it is, a characteristic of this design is that they are a bit noisier than a linear regulator. It’s a great trade-off when you don’t need a super-quiet, solid power supply that is either much more expensive, or power inefficient.
In short, the positives are:
- It’s efficient
- It can source a good amount of current
- It’s inexpensive
- It’s simple to adjust to get your desired voltage
The negatives are:
- It’s a electrically noiser than a linear regulator
- It’s larger and bulkier
Specifications
- 3-40VDC Input
- Adjustable 1.3-35VDC Output
- 30mV maximum ripple
- 2A Maximum output current
- LM2596-based design, with maximum conversion efficiency of 92%
- 65KHz switching frequency
- +/-0.5% Load regulation
- +/-2.5% Voltage regulation
- -40 to +80°C working temperature
- 43 x 21 x 14mm (1.69 x 0.83 x 55″)
More Info
Weight | 0.012 kg |
---|---|
Dimensions | 7 × 5 × 2 cm |
Type |
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