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PJ1117CW-ADJ from Promax-Johnton

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PJ1117CW-ADJ

Manufacturer: Promax-Johnton, PJ, PROMAX

1 Amp Low Dropout Positive Voltage Regulator
Partnumber Manufacturer Quantity Availability
PJ1117CW-ADJ,PJ1117CWADJ Promax-Johnton, PJ, PROMAX 32931 In Stock

Description and Introduction

1 Amp Low Dropout Positive Voltage Regulator **Introduction to the PJ1117CW-ADJ Voltage Regulator**  

The PJ1117CW-ADJ is a versatile, low-dropout (LDO) voltage regulator designed to provide a stable and adjustable output voltage for a wide range of electronic applications. With a dropout voltage as low as 1.1V at full load, it efficiently maintains regulation even when the input voltage is close to the desired output, making it ideal for battery-powered and energy-sensitive systems.  

This adjustable regulator supports an output voltage range from 1.25V to 13.8V, offering flexibility for various circuit requirements. It delivers a maximum output current of 1A, ensuring reliable performance in powering microcontrollers, sensors, and other low-to-medium-power components. The device features built-in thermal shutdown and current-limiting protection, enhancing system durability under adverse conditions.  

Housed in a compact TO-252 (DPAK) package, the PJ1117CW-ADJ is suitable for space-constrained designs while providing efficient heat dissipation. Its simple external circuitry—requiring only two resistors to set the output voltage—simplifies integration into new or existing projects.  

Engineers and hobbyists alike value the PJ1117CW-ADJ for its balance of performance, adjustability, and robustness, making it a practical choice for power management in consumer electronics, industrial controls, and embedded systems.

Application Scenarios & Design Considerations

1 Amp Low Dropout Positive Voltage Regulator

Alternative Part Number

  • LM1117MPX-ADJ --: Pin-compatible 800mA adjustable low-dropout regulator in SOT-223, widely available and directly interchangeable with the PJ1117CW-ADJ.
  • AMS1117-ADJ --: Common 1A adjustable LDO regulator with the same SOT-223 footprint and pinout, a low-cost drop-in replacement for the original part.
  • LD1117S-ADJ --: Adjustable 800mA LDO regulator in SOT-223 with equivalent electrical characteristics and pinout, suitable as a reliable substitute.
  • LM1117MPX-ADJ --: Pin-compatible adjustable 1A low-dropout regulator in SOT-223 with the same 1.25V reference and wide input range, widely available and well documented.
  • AMS1117-ADJ --: Direct functional equivalent adjustable LDO in SOT-223 with 1A output and 1.25V reference, very common and low cost substitute.
  • LD1117S-ADJ --: Adjustable 1A LDO regulator in SOT-223 with comparable dropout and reference voltage, a reliable alternative from a major manufacturer.
  • LM1117MP-ADJ --: Industry-standard adjustable 1A low-dropout regulator in SOT-223, pin-compatible with the PJ1117CW-ADJ and widely available.
  • AMS1117-ADJ --: Common adjustable 1A LDO regulator with the same SOT-223 footprint and similar electrical characteristics, a low-cost drop-in substitute.
  • LD1117AS-ADJ --: Adjustable 1A LDO regulator in SOT-223 with comparable dropout and current ratings, suitable as a reliable alternative.

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