Description
72V to 12V mini buck converters are DC-DC step down converters, which adopt synchronous rectification technology, with high efficiency 91%, optimized for low-power applications.
Features
- Wide input voltage range: 18V to 90V.
- Brand-new, die-cast aluminum shell and high quality design, maximum transfer efficiency of 91%.
- This DC buck module comes with waterproof lever of IP67, moisture-proof & anti-shock protection.
- Auto-recovery when the device is back to normal operating.
- Built-in full protection against over/under voltage input, over-current, overload, over-temperature and short circuit.
- Industry grade DC 72V to 12V buck converter, widely used in automotive, electricity, surveillance systems, railway signals, instruments, solar generates electricity, display screen of bus and taxi, car audio device, security systems, hospital equipment, telecommunications etc.
5A DC-DC Buck Converter Specification
| Model | ATOWG-72S1205 | |
| Input | Rated voltage | 72V |
| Voltage range | 18-90V | |
| Efficiency | 90.6% @ 72V input | |
| Output | Voltage | 12V |
| Max. rated current | 5A | |
| Max. rated power | 60W | |
| Voltage regulation | ±1% | |
| Load regulation | 2% | |
| No load loss | 70mA | |
| Ripple & noise | 120mV | |
| Environment | Working temperature | -40 ~ +80℃ |
| Working humidity | 10% ~ 90%RH | |
| Storage temperature | -40 ~ +100℃ | |
| Function | Short circuit protection | YES |
| Over current protection | YES | |
| Waterproof | IP67 | |
| Over temperature protection | YES | |
| Over voltage protection | YES | |
| Mechanical | Weight | 300g |
| Size | 64*57*22mm |
72V to 12V DC-DC Buck Converter Model Selection
| Code | Model | Price | Input Voltage | Output Voltage | Output Current | Output Power | Efficiency | Size | Download |
| 1 | ATOWG-72S1205 | $56.99 | 72V DC | 12V DC | 5 Amps | 60 Watts | 90.6% | 64*57*22mm | |
| 2 | ATOWG-72S1210Z | $66.99 | 72V DC | 12V DC | 10 Amps | 120 Watts | 91% | 64*57*22mm |
Note: The series of 72 V to 12V DC-DC buck converter models are all here, check the parameter carefully from the table and select the right converter power supply when place the order.
Tips: How does a DC-DC buck converter work?
A DC-DC buck converter is a power electronics device that steps down a higher input voltage to a lower output voltage. It operates by rapidly switching a semiconductor switch (typically a transistor) on and off. During the “on” state, the switch allows current to flow from the input source to an inductor, storing energy in the inductor’s magnetic field. When the switch turns off, the inductor releases this stored energy, but in doing so, it generates a lower voltage across its terminals.
A diode and an output capacitor smooth the voltage and current, creating a stable lower-voltage output. The duty cycle (ratio of switch-on time to total cycle time) controls the output voltage; a higher duty cycle results in a lower output voltage. Buck converters are highly efficient and are commonly used in applications like voltage regulation, battery charging, and power supplies in electronics.
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