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3797

15V, 600mA Step-Down ( Voltaj Düşüren ) SMPS Regülatör D36V6F15

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15V, 600mA Step-Down ( Voltaj Düşüren ) SMPS Regülatör D36V6F15 - 1
15V, 600mA Step-Down ( Voltaj Düşüren ) SMPS Regülatör D36V6F15 - 2
15V, 600mA Step-Down ( Voltaj Düşüren ) SMPS Regülatör D36V6F15 - 3
15V, 600mA Step-Down ( Voltaj Düşüren ) SMPS Regülatör D36V6F15 - 4
15V, 600mA Step-Down ( Voltaj Düşüren ) SMPS Regülatör D36V6F15 - 5
15V, 600mA Step-Down ( Voltaj Düşüren ) SMPS Regülatör D36V6F15 - 6
15V, 600mA Step-Down ( Voltaj Düşüren ) SMPS Regülatör D36V6F15 - 7
15V, 600mA Step-Down ( Voltaj Düşüren ) SMPS Regülatör D36V6F15 - 8
ÜRETİCİ KODU : 3797 KOPYALA
ÜRETİCİ : Pololu Corporation KOPYALA
TEDARİK SÜRESİ : 1 - 3 İş Günü
PAKETLEME TİPİ : Cut Tape (CT)
STOK DURUMU : STOKTA VAR
TESLİMAT SÜRESİ 1 - 3 İŞ GÜNÜ
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Satış fiyatına tüm gümrük, yurtdışı kargo ve vergi masrafları DAHİLDİR.
265,368 TL
11,950 USD +KDV
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Tahmini Kargo Tarihi: 28.01.2023 - 30.01.2023
Hafta sonu ve resmi tatil tarihlerinde, sonraki ilk iş gününde kargoya verilir.
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Stoklara Giriş Tarihi: 1 - 3
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1
265,368 TL
11,950 USD +KDV
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This compact (0.4″ × 0.5″) switching step-down (or buck) voltage regulator takes input voltages up to 50 V and efficiently reduces them to 15 V while allowing for a maximum output current of 600 mA. It has a very low dropout, so it can be used with input voltages that are within a few hundred millivolts of its output. The pins have a 0.1″ spacing, making this board compatible with standard solderless breadboards and perfboards.

Overview

The D36V6x family of buck (step-down) voltage regulators generates lower output voltages from input voltages as high as 50 V. They are switching regulators (also called switched-mode power supplies (SMPS) or DC-to-DC converters), which makes them much more efficient than linear voltage regulators, especially when the difference between the input and output voltage is large. This family includes seven versions with fixed output voltages ranging from 3.3 V to 15 V and two adjustable versions that can be set using a trimmer potentiometer:

pololu-3797pololu-3797

Pololu step-down voltage regulator D36V6Fx/D24V6Fx/D24V3Fx next to a 7805 voltage regulator in TO-220 package.

Details for item #3797

Features

  • Input voltage: 15.2 V to 50 V (minimum input subject to dropout voltage considerations; see the dropout voltage section for details)
  • Output voltage: 15 V with 4% accuracy
  • Maximum output current: 600 mA (see the maximum continuous output current graph below)
  • Fixed 2.1 MHz switching frequency
  • High-voltage enable input can put the board into a low-power state where it draws less than 2 μA (typical)
  • Low quiescent current: < 0.2 mA (see the quiescent current graph below)
  • Over-current and short-circuit protection, over-temperature shutoff
  • Small size: 0.5″ × 0.4″ × 0.1″ (13 mm × 10 mm × 3 mm)
  • Weight: 0.5 g

pololu-3797

Pololu step-down voltage regulators D36V6Fx/D24V6Fx/D24V3Fx in a breadboard.

pololu-3797

Pololu step-down voltage regulator D36V6Fx/D24V6Fx/D24V3Fx in a breadboard.

Connections

This regulator has four connections: shutdown (SHDN), input voltage (VIN), ground (GND), and output voltage (VOUT).

The SHDN pin can be driven low (under 1.25 V) to turn off the output and put the board into a low-power state (< 2 μA typical). The regulator is enabled by default, and this input can be left disconnected if you do not need this feature.

The input voltage, VIN, powers the regulator. Voltages between 4 V and 50 V can be applied to VIN, but for versions of the regulator that have an output voltage higher than 4 V, the effective lower limit of VIN is VOUT plus the regulator’s dropout voltage, which varies approximately linearly with the load (see below for graphs of the dropout voltage as a function of the load). Additionally, please be wary of destructive LC spikes (see below for more information).

The four connections are labeled on the back side of the PCB and are arranged with a 0.1″ spacing along the edge of the board for compatibility with solderless breadboards, connectors, and other prototyping arrangements that use a 0.1″ grid. You can solder wires directly to the board or solder in either the 4×1 straight male header strip or the 4×1 right-angle male header strip that is included.

pololu-3797

Step-Down Voltage Regulator D36V6Fx with included 0.1″ male headers.

Typical efficiency

pololu-3797

Maximum continuous output current

The maximum achievable output current of these regulators varies with the input voltage but also depends on other factors, including the ambient temperature, air flow, and heat sinking. The graph below shows maximum output currents that these regulators can deliver continuously at room temperature in still air and without additional heat sinking.

pololu-3797

Quiescent current

The quiescent current is the current the regulator uses just to power itself, and the graph below shows this for the different regulator versions as a function of the input voltage. The module’s SHDN input can be driven low to put the board into a low-power state where it typically draws under 2 μA.

pololu-3797

Typical dropout voltage

The dropout voltage of a step-down regulator is the minimum amount by which the input voltage must exceed the regulator’s target output voltage in order to ensure the target output can be achieved. For example, if a 5 V regulator has a 1 V dropout voltage, the input must be at least 6 V to ensure the output is the full 5 V. Generally speaking, the dropout voltage increases as the output current increases. The graph below shows the dropout voltages for the different members of this regulator family:

pololu-3797

LC voltage spikes

When connecting voltage to electronic circuits, the initial rush of current can cause voltage spikes that are much higher than the input voltage. If these spikes exceed the regulator’s maximum voltage (50 V), the regulator can be destroyed. In our tests with typical power leads (~30″ test clips), input voltages above 28 V caused spikes over 50 V.

If you are connecting more than 28 V or your power leads or supply has high inductance, we recommend soldering a suitably rated 33 μF or larger electrolytic capacitor close to the regulator between VIN and GND.

More information about LC spikes can be found in our application note, Understanding Destructive LC Voltage Spikes.



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