LT3022IMSE Linear Voltage Regulator Equivalent & Substitute Parts

Part Overview

The LT3022IMSE is a linear voltage regulator IC from Analog Devices Inc. designed for positive adjustable output applications. This device delivers 1A output current in a 16-MSOP-EP surface mount package and features integrated protection against overcurrent, overtemperature, and reverse polarity conditions. The main part number LT3022IMSE is classified as obsolete, making identification of active equivalent parts essential for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Output Configuration	Positive
Output Type	Adjustable
Number of Regulators	1
Voltage - Input (Max)	10V
Voltage - Output (Min/Fixed)	0.2V
Voltage - Output (Max)	9.5V
Voltage Dropout (Max)	0.285V @ 1A
Current - Output	1A
Current - Supply (Max)	36 mA
PSRR	70dB (120Hz)
Control Features	Enable
Protection Features	Over Current, Over Temperature, Reverse Polarity
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the LT3022IMSE is determined by strict equivalence across all electrical and mechanical parameters. The substitute part must maintain identical specifications for:

Output configuration (positive adjustable)
Output current rating (1A)
Input voltage maximum (10V)
Output voltage range (0.2V to 9.5V)
Dropout voltage (0.285V @ 1A)
Supply current maximum (36 mA)
PSRR performance (70dB at 120Hz)
Protection features (overcurrent, overtemperature, reverse polarity)
Operating temperature range (-40°C to 125°C)
Package type (16-TFSOP with exposed pad)
Mounting configuration (surface mount)

The LT3022IMSE#PBF variant qualifies as a direct substitute based on complete parameter alignment and identical base product number (LT3022). The primary distinction between these parts is product status and packaging format.

Parameter Comparison

Parameter	LT3022IMSE	LT3022IMSE#PBF
Manufacturer	Analog Devices Inc.	Analog Devices Inc.
Category	Power Management (PMIC)	Power Management (PMIC)
Product Status	Obsolete	Active
Output Configuration	Positive	Positive
Output Type	Adjustable	Adjustable
Number of Regulators	1	1
Voltage - Input (Max)	10V	10V
Voltage - Output (Min/Fixed)	0.2V	0.2V
Voltage - Output (Max)	9.5V	9.5V
Voltage Dropout (Max)	0.285V @ 1A	0.285V @ 1A
Current - Output	1A	1A
Current - Supply (Max)	36 mA	36 mA
PSRR	70dB (120Hz)	70dB (120Hz)
Control Features	Enable	Enable
Protection Features	Over Current, Over Temperature, Reverse Polarity	Over Current, Over Temperature, Reverse Polarity
Operating Temperature	-40°C ~ 125°C (TJ)	-40°C ~ 125°C
Mounting Type	Surface Mount	Surface Mount
Package / Case	16-TFSOP (0.118", 3.00mm Width) Exposed Pad	16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package	16-MSOP-EP	16-MSOP-EP
Base Product Number	LT3022	LT3022
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99
HTSUS	8542.39.0001	8542.39.0001

Engineering Selection Recommendations

The LT3022IMSE#PBF is the direct equivalent substitute for the obsolete LT3022IMSE. Both parts share identical electrical specifications, mechanical dimensions, and functional characteristics. The LT3022IMSE#PBF holds active product status from Analog Devices Inc., ensuring continued availability and manufacturing support.

The LT3022IMSE#PBF is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component procurement. The packaging format difference (tube versus unspecified for the main part) does not affect electrical or mechanical compatibility.

For applications currently using the LT3022IMSE, direct substitution with LT3022IMSE#PBF requires no circuit modifications, PCB layout changes, or firmware updates. The identical 16-MSOP-EP package ensures footprint compatibility on existing designs.

Frequently Asked Questions (FAQ)

Q: Can LT3022IMSE#PBF replace LT3022IMSE in existing designs?

A: Yes. The LT3022IMSE#PBF is electrically and mechanically identical to the LT3022IMSE. All electrical parameters, output characteristics, protection features, and package dimensions are equivalent. Direct substitution is possible without design modifications.

Q: What is the difference between LT3022IMSE and LT3022IMSE#PBF?

A: The primary differences are product status and packaging format. The LT3022IMSE is obsolete, while LT3022IMSE#PBF is active. The LT3022IMSE#PBF is supplied in tube packaging and includes ROHS3 compliance documentation. Electrical and mechanical specifications are identical.

Q: Are there any compliance differences between these parts?

A: The LT3022IMSE#PBF includes explicit ROHS3 compliance and REACH unaffected status. Both parts share identical ECCN (EAR99) and HTSUS (8542.39.0001) classifications. The LT3022IMSE#PBF is recommended for new designs and procurement due to active product status and regulatory documentation.

Q: Will the LT3022IMSE#PBF work with the same PCB footprint?

A: Yes. Both parts use the 16-TFSOP package with 0.118" width and exposed pad configuration. The 16-MSOP-EP supplier device package is identical. No PCB layout modifications are required.

Q: What is the moisture sensitivity level for these parts?

A: Both the LT3022IMSE and LT3022IMSE#PBF have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Can I use LT3022IMSE#PBF in applications requiring -40°C to 125°C operation?

A: Yes. The LT3022IMSE#PBF operates across the full -40°C to 125°C temperature range, matching the specifications of the original LT3022IMSE.

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