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LM1084IS-ADJ
LM1084IS-ADJ is a reliable 5A linear voltage regulator suitable for a variety of applicationsLM1084IS-ADJ
LM1084IS-ADJ is a reliable 5A linear voltage regulator suitable for a variety of applications
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Manufacturer Part # : LM1084IS-ADJ
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Package/Case: TO-263 (KTT)-3
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Brand: Texas Instruments
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Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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Series : LM1084
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LM1084IS-ADJ DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1000 | $1.199 | $1,199.00 |
| 500 | $1.220 | $610.00 |
| 200 | $1.265 | $253.00 |
| 1 | $3.267 | $3.27 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
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LM1084IS-ADJ Details
The LM1084IS-ADJ is a highly integrated, low dropout linear voltage regulator with adjustable output voltage. It features a unique architecture that combines the benefits of both linear and switching regulators in a single device.
Pinout
| PIN | Description |
|---|---|
| VIN | Input voltage (6V to 36V) |
| GND | Ground reference |
| OUT | Output voltage (adjustable, 1.8V to 37V) |
| ADJ | Adjust pin for setting the output voltage |
Applications
- Power Supplies: The LM1084IS-ADJ can be used as the main power supply in systems where a stable and adjustable output voltage is required.
- Point-of-Load Regulators: The device can be used as a point-of-load regulator to provide a stable and adjustable output voltage to individual components or modules within a system.
Where to Use
The LM1084IS-ADJ is suitable for use in a wide range of applications, including:
- Industrial control systems
- Aerospace and defense systems
- Medical devices
- Automotive systems
How to Use
To use the LM1084IS-ADJ, follow these steps:
- Connect the VIN pin to the input voltage source.
- Connect the GND pin to the system ground reference.
- Connect the OUT pin to the load or component that requires the regulated output voltage.
- Adjust the ADJ pin to set the desired output voltage using a resistor divider network or a potentiometer.
Equivalents
- LM1085: A similar linear voltage regulator with a fixed output voltage.
- LM317: A popular adjustable linear voltage regulator that can be used as an alternative to the LM1084IS-ADJ.
Complementary
The LM1084IS-ADJ can be complemented by other devices in the LM series, such as:
- LM1117: A low dropout linear voltage regulator with a fixed output voltage.
- LM1130: An adjustable linear voltage regulator with a higher current capability than the LM1084IS-ADJ.
Documentation
The LM1084IS-ADJ is supported by a range of documentation, including:
- Data Sheet: A detailed data sheet that provides information on the device's specifications, features, and applications.
- User Guide: A user guide that provides instructions on how to use the LM1084IS-ADJ in a variety of applications.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Output options | Adjustable Output, Fixed Output | Iout (max) (A) | 5.5 |
| Vin (max) (V) | 29 | Vin (min) (V) | 2.6 |
| Vout (max) (V) | 27.5 | Vout (min) (V) | 1.25 |
| Fixed output options (V) | 3.3, 5 | Noise (µVrms) | 38 |
| Iq (typ) (mA) | 5 | Thermal resistance θJA (°C/W) | 23 |
| Rating | Catalog | Load capacitance (min) (µF) | 10 |
| Regulated outputs (#) | 1 | Accuracy (%) | 1.5 |
| PSRR at 100 KHz (dB) | 30 | Dropout voltage (Vdo) (typ) (mV) | 1300 |
| Operating temperature range (°C) | -40 to 125 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is LM1084IS-ADJ?
The LM1084IS-ADJ is a low dropout voltage regulator designed by Texas Instruments. It is an adjustable linear regulator capable of providing continuous output currents up to 5A with a dropout voltage as low as 1.2V. The device is suitable for applications requiring precise voltage regulation and high current capability, such as powering microcontrollers, FPGAs, and other electronic components.
How Does LM1084IS-ADJ Work?
The LM1084IS-ADJ operates as a linear voltage regulator that maintains a stable output voltage regardless of variations in input voltage and load current. It uses an internal voltage reference and feedback loop to adjust the output voltage to the desired level. The device also features thermal shutdown and current limit protection to ensure safe operation under fault conditions.
How Many Pins does LM1084IS-ADJ have and What are the Functions of the Pinout Configuration?
The LM1084IS-ADJ is housed in a TO-263 package with 3 pins. The pinout configuration includes:
- Input (VIN): Input voltage pin.
- Output (VOUT): Regulated output voltage pin.
- Adjust (ADJ): Adjust pin for setting the output voltage.
What are the Pros and Cons of LM1084IS-ADJ?
Pros:
- High Current Capability: Capable of delivering up to 5A continuous output current.
- Low Dropout Voltage: Maintains regulation even with low input-output voltage differentials.
- Precision Regulation: Provides accurate and stable output voltage for sensitive components.
- Thermal Shutdown: Includes thermal protection to prevent overheating.
Cons:
- Heat Dissipation: May require a heat sink for high current applications to manage heat dissipation.
- Power Dissipation: The regulator may dissipate significant power under high load conditions.
Are There Any Equivalents/Alternatives to LM1084IS-ADJ for Recommendation?
- Equivalent parts to the LM1084IS-ADJ include the LM317 and LM350 regulators from Texas Instruments.
- Alternatives to the LM1084IS-ADJ include the ADJ1117 from Analog Devices and the LT1963 from Linear Technology.
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