LM1085IS-ADJ
LM1085IS-ADJ offers a continuous output current of 3 amps and a voltage regulation of up to 29 voltsLM1085IS-ADJ
LM1085IS-ADJ offers a continuous output current of 3 amps and a voltage regulation of up to 29 volts
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Manufacturer Part # : LM1085IS-ADJ
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Package/Case: TO-263 (KTT)-3
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Part Status : NRND
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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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Shipping & Payment
Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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LM1085IS-ADJ DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
In summary, the LM1085IS-ADJ is a reliable and versatile regulator that offers adjustable output voltage, compatibility with LM317 pin-out, and essential protection features. Whether it's for a low-power circuit or a more demanding application, this product provides an efficient solution for regulating power with minimal dropout
Key Features
- Sophisticated features for advanced applications
- User-friendly interface for easy control
- Robust design for heavy-duty use
- Maintenance-free for reduced downtime
Application
- LM1085IS-ADJ ideal for low dropout circuits
- Versatile for consumer products
- Wide range of voltage options
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) | 3 |
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, 12 | Noise (µVrms) | 38 |
Iq (typ) (mA) | 5 | Thermal resistance θJA (°C/W) | 23 |
Rating | Catalog | Load capacitance (min) (µF) | 10 |
Regulated outputs (#) | 1 | Accuracy (%) | 4 |
PSRR at 100 KHz (dB) | 30 | Dropout voltage (Vdo) (typ) (mV) | 1300 |
Operating temperature range (°C) | -40 to 125 |
Specification Comparison
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 LM1085IS-ADJ?
The LM1085IS-ADJ is a low dropout voltage regulator designed by Texas Instruments. It is an adjustable linear regulator capable of providing a regulated output voltage with a dropout voltage as low as 1.3V. This makes it suitable for applications where a stable voltage rail is required despite variations in input voltage or load conditions.
How Does LM1085IS-ADJ Work?
The LM1085IS-ADJ works by regulating the output voltage based on the voltage reference and feedback loop mechanism. It compares the actual output voltage with the desired voltage set by an external resistor network to adjust the regulator's internal circuitry and maintain a stable output. The low dropout feature allows the regulator to operate even when the input voltage is very close to the output voltage.
How Many Pins does LM1085IS-ADJ have and What are the Functions of the Pinout Configuration?
The LM1085IS-ADJ is housed in a TO-263 (D2PAK) package with 3 pins. The pinout configuration includes:
- ADJ: Adjust pin for setting the output voltage.
- VIN: Input voltage pin.
- VOUT: Regulated output voltage pin.
What are the Pros and Cons of LM1085IS-ADJ?
Pros:
- Low Dropout Voltage: Allows operation with very small voltage differentials between input and output.
- Adjustable Output: Can be configured to provide different output voltages based on the application requirements.
- Thermal Protection: Includes built-in thermal shutdown protection to prevent overheating.
- Short-Circuit Protection: Offers short-circuit current limiting to protect the circuitry.
Cons:
- Heat Dissipation: May require heat sinking when operating at high currents or voltage differentials.
- External Components: Additional capacitors or resistors may be needed for stability or specific functionality.
Are There Any Equivalents/Alternatives to LM1085IS-ADJ for Recommendation?
- The LM317 adjustable voltage regulator is a similar alternative from Texas Instruments.
- Alternatives to the LM1085IS-ADJ include the LT1085 from Linear Technology and the ADP3335 from Analog Devices.
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