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LM1085IS-ADJ/NOPB
LM1085IS-ADJ/NOPB - TO-263-3 - Linear Voltage Regulators (LDO)LM1085IS-ADJ/NOPB
LM1085IS-ADJ/NOPB - TO-263-3 - Linear Voltage Regulators (LDO)
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Manufacturer Part # : LM1085IS-ADJ/NOPB
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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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LM1085IS-ADJ/NOPB 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
The LM1085IS-ADJ/NOPB is a versatile regulator designed to provide a stable output voltage despite fluctuations in input voltage and load current. With a dropout of only 1.5 V at 3 A, this regulator is a reliable choice for various applications. Its pin-out is compatible with TI's LM317, making it easy to replace existing regulators with the LM1085
Key Features
- High-performance voltage regulator ideal for high-current applications
- Maximum output current of 3A, low dropout voltage, and thermal shutdown protection
- Wide range of applications: consumer electronics, industrial control, automotive systems
- Adjustable voltage range, overcurrent limit, and short-circuit protection features
Application
- Reliable in industrial control
- Versatile telecommunication use
- Highly recommended for all
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/NOPB?
The LM1085IS-ADJ/NOPB is a low dropout voltage regulator designed by Texas Instruments. It is an adjustable linear regulator capable of delivering up to 3A of output current with a dropout voltage as low as 1.3V, making it suitable for applications requiring stable power supplies with low voltage differentials.
How Does LM1085IS-ADJ/NOPB Work?
The LM1085IS-ADJ/NOPB operates as a linear voltage regulator that maintains a constant output voltage regardless of variations in input voltage and load current. It uses a pass transistor to regulate the output voltage by dissipating excess power as heat. The adjustable feature allows the output voltage to be set to the desired level within a specified range.
How Many Pins does LM1085IS-ADJ/NOPB have and What are the Functions of the Pinout Configuration?
The LM1085IS-ADJ/NOPB is housed in a 3-lead TO-263 package. The pinout configuration includes:
- VIN: Input voltage pin.
- VOUT: Output voltage pin.
- ADJ: Adjustable pin for setting the output voltage.
What are the Pros and Cons of LM1085IS-ADJ/NOPB?
Pros:
- High Output Current: Capable of delivering up to 3A of output current for powering various components.
- Low Dropout Voltage: Provides stable output voltage even with small voltage differentials between input and output.
- Adjustable Output: Allows flexibility in setting the output voltage to meet specific requirements.
- Thermal Protection: Includes thermal shutdown and current limit protection features.
Cons:
- Heat Dissipation: May require heatsinking or thermal management for high current applications.
- Efficiency: Linear regulators dissipate excess power as heat, leading to lower efficiency compared to switching regulators.
Are There Any Equivalents/Alternatives to LM1085IS-ADJ/NOPB for Recommendation?
- Alternatives to the LM1085IS-ADJ/NOPB include the LM317 from Texas Instruments and the LT1086 from Analog Devices.
- The LM2940 from Texas Instruments is another alternative with similar dropout voltage characteristics.
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