MP2005DD-LF-P Linear Voltage Regulator Equivalent & Substitute Parts

Part Overview

The MP2005DD-LF-P is an active linear voltage regulator IC from Monolithic Power Systems Inc., classified as a Power Management (PMIC) component. This positive adjustable regulator delivers 800mA output current with a single adjustable output configuration, operating across an input voltage range up to 5.5V and output voltage range from 0.5V to 4V. The component is currently in active product status with 2208 units available in stock. Alternative part sourcing becomes necessary due to inventory constraints, supply chain variability, or packaging format requirements in production environments.

Key Parameters

Parameter	Value
Manufacturer	Monolithic Power Systems Inc.
Category	Power Management (PMIC)
Output Configuration	Positive
Output Type	Adjustable
Number of Regulators	1
Voltage - Input (Max)	5.5V
Voltage - Output (Min/Fixed)	0.5V
Voltage - Output (Max)	4V
Voltage Dropout (Max)	0.09V @ 800mA
Current - Output	800mA
Current - Quiescent (Iq)	10 µA
PSRR	48dB (1MHz)
Control Features	Enable
Protection Features	Over Current, Over Temperature
Operating Temperature	-40°C ~ 85°C
Package / Case	8-TFDFN Exposed Pad
Supplier Device Package	8-QFN (2x3)
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

The MP2005DD-LF-Z qualifies as a parametric equivalent to the MP2005DD-LF-P based on strict electrical and mechanical compatibility criteria. Both parts share identical specifications across all critical functional parameters: positive adjustable output configuration, 800mA output current capability, 0.5V to 4V output voltage range, 5.5V maximum input voltage, 0.09V maximum dropout voltage at 800mA, 10µA quiescent current, 48dB PSRR at 1MHz, enable control feature, and over-current and over-temperature protection. Both components utilize the same 8-QFN (2x3) package with exposed pad (8-TFDFN) and operate across the identical -40°C to 85°C temperature range. The sole distinction between these parts is packaging format: MP2005DD-LF-P is supplied in Tape & Reel (TR) format, while MP2005DD-LF-Z is supplied in Cut Tape (CT) & Digi-Reel® format. Both maintain identical RoHS3 compliance, MSL Level 1 rating, and active product status.

Parameter Comparison

Parameter	MP2005DD-LF-P	MP2005DD-LF-Z	Match Status
Manufacturer	Monolithic Power Systems Inc.	Monolithic Power Systems Inc.	Identical
Output Configuration	Positive	Positive	Identical
Output Type	Adjustable	Adjustable	Identical
Voltage - Input (Max)	5.5V	5.5V	Identical
Voltage - Output (Min/Fixed)	0.5V	0.5V	Identical
Voltage - Output (Max)	4V	4V	Identical
Voltage Dropout (Max)	0.09V @ 800mA	0.09V @ 800mA	Identical
Current - Output	800mA	800mA	Identical
Current - Quiescent (Iq)	10 µA	10 µA	Identical
PSRR	48dB (1MHz)	48dB (1MHz)	Identical
Control Features	Enable	Enable	Identical
Protection Features	Over Current, Over Temperature	Over Current, Over Temperature	Identical
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	Identical
Package / Case	8-TFDFN Exposed Pad	8-TFDFN Exposed Pad	Identical
Supplier Device Package	8-QFN (2x3)	8-QFN (2x3)	Identical
Product Status	Active	Active	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Identical
Packaging Format	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Different

Engineering Selection Recommendations

Both MP2005DD-LF-P and MP2005DD-LF-Z are active products from Monolithic Power Systems Inc. with full ROHS3 compliance and identical electrical and mechanical specifications. Selection between these parts depends solely on packaging format requirements and supply chain availability. The MP2005DD-LF-P in Tape & Reel format is suitable for high-volume automated assembly operations. The MP2005DD-LF-Z in Cut Tape & Digi-Reel® format accommodates lower-volume production runs or applications requiring flexible packaging options. Both parts maintain MSL Level 1 rating, indicating unlimited shelf life under controlled storage conditions. Component selection should be based on production volume, assembly equipment compatibility, and current inventory availability from authorized distributors.

Frequently Asked Questions (FAQ)

Q: Are MP2005DD-LF-P and MP2005DD-LF-Z electrically interchangeable?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, including output voltage range (0.5V to 4V), output current (800mA), dropout voltage (0.09V @ 800mA), quiescent current (10µA), and protection features (over-current and over-temperature). They operate across the same temperature range (-40°C to 85°C) and share identical control features.

Q: What is the difference between these two part numbers?

A: The only difference is packaging format. MP2005DD-LF-P is supplied in Tape & Reel (TR) format, while MP2005DD-LF-Z is supplied in Cut Tape (CT) & Digi-Reel® format. Both use the same 8-QFN (2x3) package with exposed pad.

Q: Can I use MP2005DD-LF-Z as a direct replacement for MP2005DD-LF-P in my design?

A: Yes, provided your assembly equipment and production process are compatible with the Cut Tape & Digi-Reel® packaging format. The electrical and mechanical specifications are identical, and both parts are mounted using the same PCB footprint.

Q: Are both parts RoHS compliant?

A: Yes. Both MP2005DD-LF-P and MP2005DD-LF-Z are ROHS3 compliant with MSL Level 1 rating, indicating unlimited moisture sensitivity protection under standard storage conditions.

Q: Which part should I select for high-volume production?

A: MP2005DD-LF-P in Tape & Reel format is optimized for high-volume automated assembly. MP2005DD-LF-Z in Cut Tape & Digi-Reel® format is suitable for lower-volume or mixed-volume production runs.

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