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Home > Power Module > Step Down Module > XH-M133 DC-DC Adjustable Step Down Power Supply Module Buck Converter Voltage Regulator 4-38V to 1.25-36V

XH-M133 DC-DC Adjustable Step Down Power Supply Module Buck Converter Voltage Regulator 4-38V to 1.25-36V

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This is a constant voltage constant current power output module. The conversion efficiency is as high as 96%. The maximum is 5A or 150W output.
The module has a precision adjustable output voltage potentiometer with green indicator light status. The whole is patch design.
It is with high efficiency and fast, which is the preferred product of voltage regulation / charging.


NO. Parameter Value
1 Model XH-M133
2 Name DC voltage regulator module
3 Input voltage DC 4-38V
4 Output voltage DC 1.25-36V
5 Output current Max 5A
6 Output power Recommended to be used in 75W, and long-term work should not be greater than 60W
7 Working temperature -40 degrees Celsius -80 degrees Celsius
8 Working frequency 180KHz
9 Conversion efficiency Highest 96%
10 Load regulation rate S (I) is less than or equal to 0..8%
11 Voltage regulation rate S (U) is less than or equal to 0..8%
12 Power indicator Yes
13 Short circuit protection Yes (limiting current 8A)
14 Over temperature protection Yes (automatic shutdown after overtemperature)
15 Board size 49*26*19mm

1>. Increase radiator heat dissipation effect, stable performance.
2>. With working light, clear and intuitive working state
3>. Large area copper cladding can improve heat dissipation and maintain stable performance.

Using Attention:
1>. All wiring must be done when the power is disconnected.
2>. The input is lower than 5V can also reduce blood pressure. But the light doesn't turn on. More than 5V can be normal light
3>. The defaults to 5V. if the adjustment voltage and output current to turn several rounds, the potentiometer adopts reflection mode.
4>. In actual use, severe fever may occur depending on the load. When the load is more than 3A, heating 100 degrees is the normal temperature.
5>. If the load is longer than 3.5A, it is recommended to use a fan to blow the module to reduce the temperature and prolong the service life.
6>. During the charging process, a number of colleagues will appear, indicating the real mode handover. This is a normal phenomenon.
7>. The input must use an adapter or a switching power supply. If you use the transformer, must be rectified and filtered to use.
8>. Pay attention to board damp proof and insulation to avoid unnecessary losses caused by short circuit.

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1. Hongkong / Sinapore Airmail

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(2) Shipping time 
Shipping time is 7-20 business days to most of countries; please view below table for exactly shipping time to your location. 

7-15 working days to: Most of Asia countries
10-16 working days to: USA , Canada , Australia , UK , Most of Europe countries
13-20 working days to: Germany , Russia
18-25 working days to: France , Italy , Spain , South Africa
20-45 working days to: Brazil , Most of South America countries

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(1)Shipping Fee: Free for the order which meet the following requirements
Total price of the order >= 200USD or Total weight of the order >= 2.2KG

When the order meets to one of the above requirement, it will be shipped for FREE via EMS/DHL/UPS Express to below country. 
Asia: Japan , South Korea , Mongolia . Malaysia , Singapore , Thailand , Vietnam , Cambodia , Indonesia , Philippines 
Oceania: Australia , New Zealand , Papua New Guinea 
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(2) Shipping Time
Shipping time is 3-5 working day (about 1 week) to most of countries. 

Because the package would be returned to the sender if it had not been signed by the receiver in 2-3 day (DHL) or 1 week (EMS,) or 2 weeks (Registered Email), please pay attention to the arriving time of the package. 


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3. Note
1) Delivery Time of mixed orders with items in different Shipping Status should be calculated using the longest estimate times listed. 
2) Chinese Holiday Reminder: During annual Chinese holidays, services from certain suppliers and carriers may be affected, and delivery for orders placed around the following times may be delayed by 3 - 7 days: Chinese New Year; Chinese National Day,etc. 
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XH-M133 DC-DC Adjustable Step Down Power Supply Module Buck Converter Voltage Regulator 4-38V to 1.25-36V