Allicdata Part #: | 497-1226-2-ND |
Manufacturer Part#: |
LD1117AS18TR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | STMicroelectronics |
Short Description: | IC REG LINEAR 1.8V 1A SOT223 |
More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
DataSheet: | LD1117AS18TR Datasheet/PDF |
Quantity: | 5000 |
Current - Output: | 1A |
Base Part Number: | LD1117A |
Supplier Device Package: | SOT-223 |
Package / Case: | TO-261-4, TO-261AA |
Mounting Type: | Surface Mount |
Operating Temperature: | 0°C ~ 125°C |
Protection Features: | Over Current, Over Temperature |
Control Features: | -- |
PSRR: | 80dB (120Hz) |
Current - Quiescent (Iq): | 10mA |
Series: | -- |
Voltage Dropout (Max): | 1.3V @ 1A |
Voltage - Output (Max): | -- |
Voltage - Output (Min/Fixed): | 1.8V |
Voltage - Input (Max): | 15V |
Number of Regulators: | 1 |
Output Type: | Fixed |
Output Configuration: | Positive |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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The LD1117AS18TR is a popular linear voltage regulator belonging to the PMIC – Voltage Regulators – Linear category. Developed by Texas Instruments (TI), this Linear Voltage Regulator provides efficient power management to a variety of applications, and is often used as an adjustable LDO of up to 300mA current. With plenty of advantages to its name, such as low dropout cost, minimal external components, and good thermal effects, the LD1117AS18TR is a popular voltage regulator.
This voltage regulator boasts an input voltage of a maximum of 18 volts, and output voltage of adjustable range of 1.2V to 16.5V. The LD1117AS18TR Linear Voltage regulator is rated for a temperature range of -40°C - 125°C. It also offers peak output current up to 300mA and power dissipation from 1 watt to 25 watt. This IC also comes with on/off control, and reverse leakage current protection circuits.
The LD1117AS18TR can be used in a variety of applications such as powering mobile and wireless devices, battery management systems, industrial applications, telecommunications , automotive, embedded systems, and many others. This voltage regulator can be used in DC-DC conversion, adjustable power supplies, motor drivers, RF power amplifiers, and other circuits.
The working principle of the LD1117AS18TR voltage regulator is simple. It has one input and one output. The input is connected to the output through a Pass element. When the voltage at the output is lower than the input, the pass element reacts by conducting a current, which increases the voltage at the output. This process is continuously repeated, meaning that the voltage at the output is always kept at the same value. The pass element used by the LD1117AS18TR regulator is a PMOSFET, which needs controlling to limit its voltage and current.
In order to regulate the output voltage, the LD1117AS18TR uses a feedback loop. This loop consists of two components: a voltage reference and a differential amplifier. The voltage reference receives a reference voltage from the external source and provides it to the differential amplifier. The differential amplifier compares the reference voltage to the voltage at the output and generates a signal accordingly. The output signal is then sent to the control part, which drives the pass element.
The LD1117AS18TR Linear Voltage regulator is a reliable, efficient and cost-effective solution for a variety of applications. It offers several advantages like easy configuration, efficiency and minimal external components. It is a great choice for any application requiring stable power output.
The specific data is subject to PDF, and the above content is for reference
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