Isolated DC-DC Converter, 24V to 5V/12V

SKU: PH-IDCDC-2412
$85.69
● The isolated DC-DC converter is an efficient and stable step-down module with a wide input voltage range of 18-36V. ● High efficiency and stability, with a conversion efficiency of more than 92%, it can provide stable power even at low voltage. ● Noise as low as 250mVp-p, cost-effective design, built-in short circuit, over-temperature, and over-voltage protection functions. ● Aluminum alloy housing, easy installation, waterproof, dustproof, shockproof, suitable for different environments.
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Overview

This isolated DC-DC converter provides 5V/12V output with an efficiency of up to 92%, with IP68 waterproof rating, compact aluminum alloy housing and reliable safety protection functions, dustproof and shockproof. The 24V to 5V/12V isolated DC-DC converter is easy to install, with rugged terminals, ensuring long-term stable performance even in harsh environments, and is ideal for automotive, industrial and communication applications.

Isolated DC-DC converter 24V to 5V/12V feature

Feature

  • 100% full power, 100% full load aging test, high stability output.
  • Isolated design, safe and reliable, isolates input and output from each other.
  • The isolated DC-DC converter is potted with high-quality thermal conductive silicone, waterproof, dustproof, shockproof, die-cast aluminum alloy shell, compact size, easy installation.
  • According to CE and RoHS design, built-in automatic protection functions such as over-current, over-voltage, over-temperature, short-circuit, etc.
 

Details

  1. The die-cast aluminum housing with good heat dissipation is used, and no auxiliary heat dissipation is required. The design of input and output isolation makes the isolated DC-DC converter safer and more reliable.
  2. High-quality silicone potting, waterproof grade reaches IP67, waterproof, dustproof, shockproof, moisture-proof, suitable for various instrument fields such as intelligent robots, industrial control, and vehicle-mounted equipment.
Isolated DC-DC converter 24V to 5V/12V detail

Dimension (unit: mm)

Isolated DC-DC converter 24V to 5V/12V dimension

Various Circuits for Driving EN

Isolated DC-DC converter 24v to 5V/12V various circuits for driving the EN

Input Undervoltage Protection: The converter will shut down after the input voltage drops below the under voltage protection threshold for shutdown. The converter will start to work again after the input voltage reaches the input under voltage protection threshold for startup.

Output Overcurrent Protection: The converter equipped with current limiting circuitry can provide protection from an output overload or short circuit condition. If the output current exceeds the output overcurrent protection set point, the converter enters hiccup mode. When the fault condition is removed, the converter will automatically restart.

Wiring Diagram

Isolated DC-DC converter 24V to 5V/12V wiring

Specs
Input
Input Voltage 18-36V (Typ. 72V)
Max. Input Voltage 40V (Continuous)
Undervoltage Shutdown 16.8-17.5V (Automatic Recovery)
Undervoltage Recovery 17.3-18V (Automatic Recovery)
Max. Input Current 10A (Vin=18V; Iout=10A)
No Load Current 30mA (Typ. 15mA; Vin=24V)
Positive Electrode Cable 16 AWG (If the wire length is greater than 50cm, it is recommended to use a thicker wire diameter.)
Negative Electrode Cable
Enable Pin Cable /
Fuse 20A
Output
Efficiency 92% (Vin=24V; Iout=10A)
Output Voltage 11.85-12.25V (Vin=24V; Iout=10A)
Regulator Accuracy ±5%
Voltage Regulation ±3%
Load Regulation ±2%
Overvoltage Protection 20V (Hiccup mode)
Output Current 0-10A
Overcurrent Protection 12-15A
External Capacitance /
Output Ripple and Noise 250mVp-p (Vin=18-36V; Oscilloscope Bandwidth: 20 MHz)
Output Voltage Rise Time 50mS
Boot Delay Time 300mS
Out Voltage Overshoot 5%
Over Temperature Protection 90°C (Shell temperature, @ 80°C Restore working)
Short Circuit Protection Yes (Long-term short circuit is not damaged, Hiccup mode)
Positive Electrode Cable 16 AWG (If the wire length is greater than 50cm, it is recommended to use a thicker wire diameter.)
Negative Electrode Cable
Safety and EMC Features
Anti-electric Strength Input to output: ≥1500V (Leakage Current ≤ 1mA, 1min, No Breakdown, No Arcing)
Input to shell: ≥1500V (Leakage Current ≤ 1mA, 1min, No Breakdown, No Arcing)
Output to shell: ≥500V (Leakage Current ≤ 1mA, 1min, No Breakdown, No Arcing)
Insulation Resistance Input to output: ≥50MΩ (Test Voltage =500V)
Input to shell: ≥50MΩ (Test Voltage =500V)
Output to shell:≥50MΩ (Test Voltage =500V)
Absolute Maximum Ratings
Operating Ambient Temperature -40-55℃
Shell Ambient Temperature -40-80℃
Storage Temperature -55-100℃
Operating Humidity 5-95% (Non-condensing)
Atmospheric Pressure 62-106Kpa
Altitude 2000m
Cooling Way Natural cooling
Other
Weight ≤290g
Package White Box
MTBF ≥100000H (Vin=24V; Iout=10A)
Switching Frequency 130±10kHz

Note: This table takes the specification of 24V to 12V, 10A as an example, please see the selection table below for 24V to 5V, 20A specification files.


DC-DC Boost-Buck Converter Model Selection

Output Voltage: 12V, Output Current/Power: 10A/120W, Efficiency: 92%, Size: 74*74*29.5mm PDF computing24V to 12V, 10A DC-DC Isolated Converter User Manual
Output Voltage: 5V, Output Current/Power: 20A/100W, Efficiency: 90%, Size: 74*74*29.5mm PDF computing24V to 5V, 20A DC-DC Isolated Converter User Manual
Application
Automatic Control

Automatic Control

Electronic Communication

Electronic Communication

LED Display Screen

LED Display Screen

Car Audio

Car Audio

FAQ

Q1: How to maintain an isolated DC-DC converter?

When maintaining an isolated DC-DC converter, you should regularly check whether the input and output terminals are firmly connected, whether the heat sink or fan is operating normally, whether the outer shell is dusty and clean it in time to maintain a good ventilation environment. At the same time, pay attention to whether there is abnormal heating, noise or voltage fluctuation, and check whether there is overload or short circuit in the peripheral circuit. If a problem is found, it should be stopped immediately for investigation to avoid damage to internal components.

Q2: Where should isolated DC-DC converters be used?

Isolated DC-DC converters are suitable for scenarios where input and output electrical isolation is required, such as medical equipment to protect the safety of patients and operators, industrial automation systems to prevent mutual interference between the control end and the high-voltage end, power conversion in different potential areas in power grids or photovoltaic systems, system safety isolation in battery charging and discharging systems, and prevention of ground loops and common-mode interference in communication equipment. In these applications, isolation can not only provide voltage conversion functions but also improve system reliability and safety.

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