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LT1085CT

In Stock: 5,869

LDO Regulator, Adjustable Positive, BIPolar, Min 1.2V, Max 15V, Dropout 1.5V, PSFM3

Manufacturers: Analog Devices Inc.
Mfr.Part#:
LT1085CT
Package/Case:
TO-220-3
Product Type:
Voltage Regulators , Linear
Lifecycle:
obsolete
EDA/CAD Models:
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LT1085CT Information

Description

The LT1085CT is an adjustable positive low dropout (LDO) regulator from Analog Devices, designed for applications requiring a stable output voltage with minimal dropout voltage. It features a 3-terminal design with short-circuit protection, safe area protection, and thermal shutdown. The device operates from a wide input voltage range of 1.2V to 15V, with an adjustable output voltage between 1.2V and 15V. Its low dropout voltage of 1.5V allows for efficient operation in battery-powered or low-voltage systems. The LT1085CT is suitable for use as a regulator in various applications such as power supplies, motor control circuits, and other systems requiring stable voltage regulation.

Features

According to the product information, the features of LT1085CT include:

Output current of 3A
Operates down to 1V dropout
Guaranteed dropout voltage at multiple current levels
Protection features:
+ Short-circuit protection
+ Safe area protection
+ Thermal shutdown

Package

The package type of LT1085CT is TO-220-3.

Pinout

The pin count of LT1085CT is 3. The functions are:

Pin 1: Input (VIN)
Pin 2: Output (VOUT) and Feedback (AIN)
Pin 3: Ground (GND)

This 3-pin device is a positive adjustable linear voltage regulator with shutdown. It can be used to regulate an output voltage from 1.2V to 15V, with a dropout voltage of 1.5V.

Manufacturer

The manufacturer of LT1085CT is Analog Devices. Analog Devices (ADI) is a semiconductor and electronics company that designs, manufactures, and markets electronic components and solutions for use in various industries such as industrial automation, IoT, automotive, aerospace, consumer electronics, audio/video equipment, and medical devices.

Applications

According to the product information, the application areas of LT1085CT include:

3-terminal adjustable regulator
With protection features such as:
+ Short-circuit protection
+ Safe area protection
+ Thermal shutdown

It offers lower dropout voltage, precise reference tolerance, and improved reference stability with temperature.

Specifications

Product Category	LDO Voltage Regulators	Output Voltage	Adjustable
Output Current	3 A	Number of Outputs	1 Output
Polarity	Positive	Input Voltage, Min	2.55 V
Input Voltage, Max	30 V	PSRR / Ripple Rejection - Typ	75 dB
Output Type	Adjustable	Minimum Operating Temperature	0 C
Maximum Operating Temperature	+ 150 C	Dropout Voltage	1.3 V
Dropout Voltage - Max	1.5 V	Height	4.57 mm
Line Regulation	0.05 %	Load Regulation	0.2 V
Operating Supply Current	5 mA	Product	Linear Regulators
Product Type	LDO Voltage Regulators	Reference Voltage	1.25 V
Subcategory	PMIC - Power Management ICs	Type	Positive Adjustable Regulator
Package/Case	TO-220-3

LT1085CT FAQs

1.Q: What are some related parts to the LT1085CT?

A: Related parts include other Analog Devices LDO regulators in the LT108x series with different current ratings.

2.Q: Is the LT1085CT compliant with industry certification standards?

A: No, this part is not RoHS compliant and has Reach compliance code "not_compliant".

3.Q: What package does the LT1085CT come in?

A: It comes in a TO-220-3 package (PSFM3), which is a through-hole, rectangular flange mount package.

4.Q: What are the recommended operating conditions for the LT1085CT?

A: Input voltage between 2.7V to 25V, output current up to 3A, and operating temperature range of 0°C to 125°C.

5.Q: What is the thermal resistance of the LT1085CT in TO-220 package?

A: The junction-to-case thermal resistance (θJC) is typically 3°C/W for the TO-220 package.

6.Q: What are the absolute maximum ratings for the LT1085CT?

A: Maximum input-output differential is 25V, output current 3A, operating temperature up to 125°C, and storage temperature -65°C to 150°C.

7.Q: What are typical applications for the LT1085CT LDO regulator?

A: Typical applications include power supplies for industrial equipment, instrumentation, and automotive systems requiring adjustable voltage.

8.Q: What are the key features of the LT1085CT adjustable voltage regulator?

A: Key features include 3A output current, 1.2V to 15V adjustable output, 1.5V dropout voltage, and bipolar technology.

9.Q: What is the pinout configuration of the Analog Devices LT1085CT regulator?

A: The TO-220 package has Pin 1 as Adjust, Pin 2 as Output, and Pin 3 as Input.

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