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NCP1117DT285RK from ON,ON Semiconductor

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NCP1117DT285RK

Manufacturer: ON

1.0 A Low-Dropout Positive Fixed and Adjustable Voltage Regulators

Partnumber Manufacturer Quantity Availability
NCP1117DT285RK ON 5000 In Stock

Description and Introduction

1.0 A Low-Dropout Positive Fixed and Adjustable Voltage Regulators # Introduction to the NCP1117DT285RK Voltage Regulator  

The **NCP1117DT285RK** is a low-dropout (LDO) linear voltage regulator designed to provide a stable and precise **2.85V output** from a higher input voltage. Manufactured by ON Semiconductor, this component is widely used in applications requiring reliable voltage regulation with minimal power dissipation.  

Featuring a **low dropout voltage** (typically 1.2V at full load), the NCP1117DT285RK ensures efficient operation even when the input voltage is close to the output level. It supports a maximum output current of **1A**, making it suitable for powering microcontrollers, sensors, and other low-power circuits.  

Key advantages include **thermal shutdown and current limiting protection**, enhancing device safety under fault conditions. The regulator is available in a **TO-252 (DPAK) package**, offering good thermal performance for heat dissipation.  

Common applications include **consumer electronics, industrial control systems, and battery-powered devices**, where stable voltage regulation is critical. With its robust design and dependable performance, the NCP1117DT285RK is a practical choice for engineers seeking a cost-effective LDO solution.  

For detailed specifications, refer to the official datasheet to ensure proper implementation in circuit designs.

Application Scenarios & Design Considerations

1.0 A Low-Dropout Positive Fixed and Adjustable Voltage Regulators

Alternative Part Number

  • LM1117DT-2.85 --: Same 2.85V fixed LDO in DPAK package with matching pinout and current rating, widely available and a direct functional drop-in.
  • AMS1117-2.85 --: Low-cost 2.85V LDO regulator in a comparable SOT-223/DPAK footprint, suitable for similar load currents and easy to source.
  • LD1117DT285 --: 2.85V fixed LDO in DPAK with equivalent electrical characteristics and pinout, offering a reliable second-source option.

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