1 PCS 3.5A DC-DC Converter Module Buck Step-Down Voltage Regulator Board 4.5V-27V to 3V 3.3V 3.7V 5V 6V 7.5 9V 12V
4.24$
3.64$
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Applications:
Motor Toy
WIFI Router Switch
Network equipment
Multimeter instrumentation
CCTV camera
Electric toys
Wireless Module:Nrf24l01 CC1101 CC2500 CC2530 Zigbee
Smart home / home automation
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Product Name: 1 PCS 3.5A DC-DC Converter Module Buck Step-Down Voltage Regulator Board 4.5V-27V to 3V 3.3V 3.7V 5V 6V 7.5 9V 12V
Packing list:
1 PCS DD2712SA 3.5A DC DC Step Down Converter Module 4.5V-27V to 3V/3.3V/3.7V/5V/6V/7.5V/9V/12V
Description:
3V :
Input voltage 4.5~27V,output 3V
Maximum output current 2.5A,Short time maximum output current 3.5A
DC-DC Step-Down Converter module working frequency 900KHz. efficiency is 76-93% .
Quiescent current: about 250uA
Overtemperature shutdown, Under-Voltage Lockout (UVLO), BS-voltage protection, and short circuit protection.
Operating Temperature :–20°C to +85°C
Size : 25 x 15.1 x 6.2mm
Weight : 2.46g
3.3V :
Input voltage 4.5~27V,output 3.3V
Maximum output current 2.5A,Short time maximum output current 3.5A
DC-DC Step-Down Converter module working frequency 900KHz. efficiency is 76-93% .
Quiescent current: about 250uA
Overtemperature shutdown, Under-Voltage Lockout (UVLO), BS-voltage protection, and short circuit protection.
Operating Temperature :–20°C to +85°C
Size : 25 x 15.1 x 6.2mm
Weight : 2.46g
3.7V :
Input voltage 4.5~27V,output 3.7V
Maximum output current 2.5A,Short time maximum output current 3.5A
DC-DC Step-Down Converter module working frequency 900KHz. efficiency is 76-93% .
Quiescent current: about 250uA
Overtemperature shutdown, Under-Voltage Lockout (UVLO), BS-voltage protection, and short circuit protection.
Operating Temperature :–20°C to +85°C
Size : 25 x 15.1 x 6.2mm
Weight : 2.46g
5V :
Input voltage 6.5~27V,output 5V
Maximum output current 2.5A,Short time maximum output current 3.5A
DC-DC Step-Down Converter module working frequency 900KHz. efficiency is 76-93% .
Quiescent current: about 250uA
Overtemperature shutdown, Under-Voltage Lockout (UVLO), BS-voltage protection, and short circuit protection.
Operating Temperature :–20°C to +85°C
Size : 25 x 15.1 x 6.2mm
Weight : 2.46g
6V :
Input voltage 7.5~27V,output 6V
Maximum output current 2.5A,Short time maximum output current 3.3A
DC-DC Step-Down Converter module working frequency 900KHz. efficiency is 76-93% .
Quiescent current: about 250uA
Overtemperature shutdown, Under-Voltage Lockout (UVLO), BS-voltage protection, and short circuit protection.
Operating Temperature :–20°C to +85°C
Size : 25 x 15.1 x 6.2mm
Weight : 2.46g
7.5V :
Input voltage 9~27V,output 7.5V
Maximum output current 2.5A,Short time maximum output current 3A
DC-DC Step-Down Converter module working frequency 900KHz. efficiency is 76-93% .
Quiescent current: about 250uA
Overtemperature shutdown, Under-Voltage Lockout (UVLO), BS-voltage protection, and short circuit protection.
Operating Temperature :–20°C to +85°C
Size : 25 x 15.1 x 6.2mm
Weight : 2.46g
9V :
Input voltage 11~27V,output 9V
Maximum output current 2.3A,Short time maximum output current 3A
DC-DC Step-Down Converter module working frequency 900KHz. efficiency is 76-93% .
Quiescent current: about 250uA
Overtemperature shutdown, Under-Voltage Lockout (UVLO), BS-voltage protection, and short circuit protection.
Operating Temperature :–20°C to +85°C
Size : 25 x 15.1 x 6.2mm
Weight : 2.46g
12V :
Input voltage 13~27V,output 12V
Maximum output current 2A,Short time maximum output current 3A
DC-DC Step-Down Converter module working frequency 900KHz. efficiency is 76-93% .
Quiescent current: about 250uA
Overtemperature shutdown, Under-Voltage Lockout (UVLO), BS-voltage protection, and short circuit protection.
Operating Temperature :–20°C to +85°C
Size : 25 x 15.1 x 6.2mm
Weight : 2.46g
Attention :
This is a DC-DC voltage converter module,Must be noted when using:
1 Input voltage can not be greater than the maximum input range
2 Output power can not be greater than the maximum load for a long time
3 Input power must be greater than the output power, because the power consumption of the module itself
Customer Reviews
223 ratings
satisfactory (16)
fast delivery (14)
as described (13)
compact design (12)
works perfectly (10)
well packaged (6)
Customer photos (30)
Buyer from United States
August 4, 2026
Variant: Color:Output 3V
works as expected. very small compact form.
M***i
March 14, 2026
Variant: Color:Output 3V3
OK, thank you.
Translated by AliExpress ·
S***d
February 10, 2026
Variant: Color:Output 5V
As described, works nice in 13.8Dc input and the output is exactly 5.00Vdc. I have load near to 1A in 5Vdc no any visible of overheat the module, small size can be fit everywhere. 5***** from me!
a***u
January 7, 2026
Variant: Color:Output 3V3
Very fast delivery. Tested and perfectly working. EXCELLENT!! A+++++
Translated by AliExpress ·
a***u
January 7, 2026
Variant: Color:Output 3V
Very fast delivery. Tested and perfectly working. EXCELLENT!! A+++++
Translated by AliExpress ·
o***i
December 24, 2025
Variant: Color:Output 12V
Much smaller than I imagined. Works perfectly 👍.
Translated by AliExpress ·
1 PCS 3.5A DC-DC Converter Module Buck Step-Down Voltage Regulator Board 4.5V-27V to 3V 3.3V 3.7V 5V 6V 7.5 9V 12V
4.24$
3.64$
Quantity:
1
Availability:
Color
