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$7.91
DollaTek 1117-3.3 DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 3.3V 800mA - 10pcs โ€” image 1
Power Entry ModulesDollaTekโœ“ In stock

DollaTek 1117-3.3 DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 3.3V 800mA - 10pcs

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$7.91
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About this item
  • 1117-3.3 is a positive Voltage Regulator Step Down Power Supply Module, support DC 4.75-12V input and 3.3V fixed voltage and 0.8A current output.
  • The module is suitable for electronic devices such as SCM project design needs 3.3V power supply, It is simple Dual-panel design and the Input output using the 2 Pin single row pin for easy connection. 1117-3.3 pinout can be easy to connected with your MCU development and provide the contant power supply.
  • Applicable for high-efficiency linear regulator Published Active Power Regulator Battery Charger Active instrument.
  • Applications: Arduino UNO MEGA2560; MSP430 Development Board; 3.3V Low power consumption MCU; FPGA/CPLD PLD Programmable Logic Systems; ARM7 ARM9 ARM11 STM32; etc. 1117 overheat shutdown circuit provides overload and over-temperature protection.
Product description

Description: 1117-3.3 is a positive Voltage Regulator Step Down Power Supply Module, support DC 4.75-12V input and 3.3V fixed voltage and 0.8A current output. Specifications: Output current: 1A Line adjustment rate: 0.2% (maximum) Load regulation: 0.4% (max.) Package Type: SOT-223 Operating junction temperature range: -40 to 125ยฐC Welding temperature (25 seconds): 265ยฐC Storage temperature: - 65~150ยฐC Output voltage: 3.267 to 3.333V (IOUT: 0 to 1A, VIN :4.75V to 12V) Line adjustment (maximum): 10mV (VIN :4.75V to 12V) Load regulation (maximum): 15mV (VIN = 5V, IOUT: 0 to 1A) Voltage difference (maximum): 1.3V Current limit: 900 ~ 1500mA Quiescent Current (Max): 10mA Ripple suppression (minimum): 60dB Size:8.6mm x 12.33mm Package Included: 10 x 1117-3.3 is a positive Voltage Regulator Step Down Power Supply Module

Product details
Brand
DollaTek
Manufacturer
DollaTek

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10 Trustpilot reviews total, with 2 shown at a time.

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Excellent
4.5 average rating
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Sigalit
๐Ÿ‡ฎ๐Ÿ‡ฑ ยท January 2026
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I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

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Verified buyer
๐Ÿ‡ฆ๐Ÿ‡บ ยท November 2025
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The package was here in Australia from England in a few days โ€” so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1โ€“2 of 10 reviews

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