
Allicdata Part #: | NCP1117DT285RKOS-ND |
Manufacturer Part#: |
NCP1117DT285RK |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ON Semiconductor |
Short Description: | IC REG LINEAR 2.85V 1A DPAK |
More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Specifications
Current - Output: | 1A |
Base Part Number: | NCP1117DT285 |
Supplier Device Package: | DPAK |
Package / Case: | TO-252-3, DPak (2 Leads + Tab), SC-63 |
Mounting Type: | Surface Mount |
Operating Temperature: | 0°C ~ 125°C |
Protection Features: | Over Current, Over Temperature |
Control Features: | -- |
PSRR: | 68dB (120Hz) |
Current - Quiescent (Iq): | 10mA |
Series: | -- |
Voltage Dropout (Max): | 1.2V @ 800mA |
Voltage - Output (Max): | -- |
Voltage - Output (Min/Fixed): | 2.85V |
Voltage - Input (Max): | 20V |
Number of Regulators: | 1 |
Output Type: | Fixed |
Output Configuration: | Positive |
Part Status: | Obsolete |
Packaging: | Tape & Reel (TR) |
Description
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The NCP1117DT285RK is a one-of-a-kind low-dropout linear voltage regulator that is widely used in a wide range of applications. It is a monolithic integrated circuit, meaning that all the active elements are on a single chip, making it a perfect fit for compact or low-power devices.The NCP1117DT285RK features an internal pass-transistor, as well as an input voltage up to 12V. It can provide an adjustable output voltage range ranging from 1.2V to 11V. It also has an incredibly low dropout voltage, ensuring that the output voltage is stable, even when the input voltage varies.The NCP1117DT285RK has a low quiescent current and low standby current, which make it ideal for battery-powered applications, such as portable electronics and smart home applications. It also has a thermal shutdown protection and over-current protection, protecting the system from unexpected damage. The NCP1117DT285RK is also ideal for automotive applications, such as ECUs, new energy vehicles, and infotainment systems, where temperature stability and efficiency requirements must be met. It is also used in wearable devices and consumer electronics, such as wearable cameras, hearing aids, and medical electronics.In terms of working principle, the NCP1117DT285RK is designed to maintain the output voltage of an electronic device at a predetermined and fixed value, regardless of the changes in the input voltage. It is based on a basic approach, that is, a linear regulator works by using a pass-transistor to maintain the output voltage, and a feedback loop to adjust the output voltage as necessary. The output voltage is adjusted using the error amplifiers, which compare the output voltage to a reference voltage. When the output voltage drops too low, the error amplifier signals the pass-transistor to increase its resistance, which in turn increases the output voltage. Conversely, when the output voltage is too high, the error amplifier signals the pass-transistor to decrease its resistance, which in turn decreases the output voltage.Furthermore, the NCP1117DT285RK has several other interesting features, such as its low quiescent current, which is ideal for battery-powered applications, as well as its high power dissipation rating of up to 500 mW. This allows it to remain exceptionally efficient and cool, even with heavy loads.In conclusion, the NCP1117DT285RK is a highly efficient voltage regulator that can be used in a wide range of applications, such as automotive, consumer electronics, medical electronics, and more. It is able to withstand low input voltages and provide adjustable, stable output currents, making it ideal for most applications.
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