LP2988AIMMX-3.0/NOPB Equivalent & Substitute Parts

Part Overview

The LP2988AIMMX-3.0/NOPB is a linear voltage regulator IC manufactured by Texas Instruments, classified as a Power Management (PMIC) component. This device delivers a fixed 3V positive output at 200mA with integrated protection features including over-current, over-temperature, and short-circuit protection. The part is currently listed as obsolete, making identification of active equivalent and substitute parts essential for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Category	Power Management (PMIC)
Output Configuration	Positive
Output Type	Fixed
Voltage - Output (Min/Fixed)	3V
Current - Output	200mA
Voltage - Input (Max)	16V
Voltage Dropout (Max)	0.35V @ 200mA
Current - Quiescent (Iq)	120 µA
PSRR	65dB (1kHz)
Protection Features	Over Current, Over Temperature, Short Circuit
Operating Temperature	-40°C ~ 125°C
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the LP2988AIMMX-3.0/NOPB is determined by the following critical parameters:

Fixed 3V output voltage
200mA output current capability
Maximum input voltage of 16V
8-VSSOP package configuration
Surface mount technology
Over-current, over-temperature, and short-circuit protection
Operating temperature range of -40°C to 125°C
ROHS3 compliance

Substitute parts are grouped into two categories:

Parametric Equivalents (Texas Instruments LP2986/LP2988 Series): These parts maintain identical electrical specifications and package footprints. Differences exist only in product status (active vs. obsolete) and packaging format (Tape & Reel vs. standard packaging).

Manufacturer Recommended Substitute (Microchip MIC5201-3.0YMM-TR): This part provides functional equivalence with allowable parameter variations within acceptable engineering tolerances for the 3V, 200mA regulator category.

Parameter Comparison

Parameter	LP2988AIMMX-3.0/NOPB	LP2986AIMM-3.0/NOPB	LP2986AIMMX-3.0/NOPB	LP2986IMM-3.0/NOPB	LP2988AIMM-3.0/NOPB	LP2988IMM-3.0/NOPB	MIC5201-3.0YMM-TR
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Microchip Technology
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
Output Voltage (Fixed)	3V	3V	3V	3V	3V	3V	3V
Output Current	200mA	200mA	200mA	200mA	200mA	200mA	150mA
Input Voltage (Max)	16V	16V	16V	16V	16V	16V	26V
Dropout Voltage (Max)	0.35V @ 200mA	0.35V @ 200mA	0.35V @ 200mA	0.35V @ 200mA	0.35V @ 200mA	0.35V @ 200mA	0.4V @ 150mA
Quiescent Current (Iq)	120 µA	120 µA	120 µA	120 µA	120 µA	120 µA	400 µA
PSRR	65dB (1kHz)	65dB (1kHz)	65dB (1kHz)	65dB (1kHz)	65dB (1kHz)	65dB (1kHz)	75dB (100Hz)
Package / Case	8-VSSOP	8-VSSOP	8-VSSOP	8-VSSOP	8-VSSOP	8-VSSOP	8-MSOP
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C
Protection Features	Over Current, Over Temperature, Short Circuit	Over Current, Over Temperature, Short Circuit	Over Current, Over Temperature, Short Circuit	Over Current, Over Temperature, Short Circuit	Over Current, Over Temperature, Short Circuit	Over Current, Over Temperature, Short Circuit	Over Current, Over Temperature, Reverse Polarity
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitutes (Texas Instruments LP2986/LP2988 Series):

The LP2986AIMM-3.0/NOPB, LP2986AIMMX-3.0/NOPB, LP2986IMM-3.0/NOPB, LP2988AIMM-3.0/NOPB, and LP2988IMM-3.0/NOPB are direct parametric equivalents to the obsolete LP2988AIMMX-3.0/NOPB. All maintain identical electrical performance specifications and package footprints. These parts are currently in active production status with ROHS3 compliance and MSL 1 rating. Selection among these equivalents depends on packaging format availability: Tape & Reel (TR) for automated assembly or Cut Tape (CT) for manual placement.

Alternative Substitute (Microchip MIC5201-3.0YMM-TR):

The MIC5201-3.0YMM-TR is a manufacturer-recommended substitute offering functional equivalence with the following parameter variations: reduced output current (150mA vs. 200mA), increased maximum input voltage (26V vs. 16V), higher quiescent current (400 µA vs. 120 µA), and reduced operating temperature range (-40°C to 85°C vs. -40°C to 125°C). This part is suitable for applications where the 150mA output current is sufficient and the extended input voltage range provides design margin. The MIC5201-3.0YMM-TR is active production status with ROHS3 compliance and MSL 1 rating.

All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory continuity with the original design.

Frequently Asked Questions (FAQ)

Q: Can LP2986 series parts directly replace the obsolete LP2988AIMMX-3.0/NOPB?

A: Yes. The LP2986AIMM-3.0/NOPB, LP2986AIMMX-3.0/NOPB, and LP2986IMM-3.0/NOPB are parametric equivalents with identical electrical specifications, output voltage, output current, dropout voltage, quiescent current, and protection features. These parts share the same 8-VSSOP package footprint and operating temperature range.

Q: What is the difference between LP2988AIMM-3.0/NOPB and LP2988IMM-3.0/NOPB?

A: Both parts are identical in electrical specifications and package type. The difference lies in the temperature grade designation within the part number. Both are active production parts with 200mA output current and 3V fixed output voltage.

Q: Is the MIC5201-3.0YMM-TR a direct replacement?

A: The MIC5201-3.0YMM-TR provides functional equivalence for 3V regulation but with parameter differences: 150mA output current (vs. 200mA), 26V maximum input voltage (vs. 16V), 400 µA quiescent current (vs. 120 µA), and -40°C to 85°C operating range (vs. -40°C to 125°C). This part is suitable when output current requirements do not exceed 150mA and operating temperature does not exceed 85°C.

Q: Are all substitute parts available in the same package?

A: Texas Instruments LP2986/LP2988 series parts use the 8-VSSOP package. The Microchip MIC5201-3.0YMM-TR uses the 8-MSOP package. Both packages have identical 0.118" width and 3.00mm pitch, maintaining PCB footprint compatibility for most applications.

Q: Do all substitute parts meet the same compliance requirements?

A: Yes. All substitute parts listed are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity rating, matching the compliance profile of the original LP2988AIMMX-3.0/NOPB.

Q: What is the key parameter difference between the Texas Instruments and Microchip options?

A: The primary distinction is output current capacity: Texas Instruments parts deliver 200mA, while the Microchip MIC5201-3.0YMM-TR delivers 150mA. The Microchip part also features higher maximum input voltage (26V) and higher quiescent current consumption (400 µA).

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