LP2986IMMX-5.0 Linear Voltage Regulator — Equivalent & Substitute Parts

Part Overview

The LP2986IMMX-5.0 is a linear voltage regulator IC from Texas Instruments designed for positive fixed 5V output applications with 200mA current capacity. This device operates in the Power Management (PMIC) category and is packaged in 8-VSSOP surface mount configuration. The main part is classified as obsolete, making identification of active equivalent and substitute parts essential for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Output Voltage (Fixed)	5V
Output Current	200mA
Input Voltage (Max)	16V
Voltage Dropout (Max)	0.35V @ 200mA
Quiescent Current	120 µA
PSRR	65dB (1kHz)
Operating Temperature Range	-40°C to 125°C
Package Type	8-VSSOP (8-TSSOP, 8-MSOP, 0.118" / 3.00mm Width)
Protection Features	Over Current, Over Temperature, Short Circuit
Control Features	Enable

Substitute Part Grouping Explanation

Substitution eligibility for the LP2986IMMX-5.0 is determined by strict equivalence across the following parameters:

Fixed output voltage of 5V
Output current rating of 200mA
Maximum input voltage of 16V
Voltage dropout specification of 0.35V @ 200mA
Quiescent current of 120 µA
PSRR of 65dB (1kHz)
Operating temperature range of -40°C to 125°C
8-VSSOP package configuration
Enable control feature
Over Current, Over Temperature, and Short Circuit protection

All identified substitute parts maintain identical electrical and mechanical specifications. The primary distinction between the main part and substitutes is product status: the LP2986IMMX-5.0 is obsolete, while all substitute parts are active and available in production quantities.

Parameter Comparison

Part Number	Manufacturer	Product Status	Output Voltage	Output Current	Input Voltage (Max)	Dropout Voltage	Quiescent Current	PSRR	Operating Temp	Package	RoHS Status	Inventory (Pcs)
LP2986IMMX-5.0	Texas Instruments	Obsolete	5V	200mA	16V	0.35V @ 200mA	120 µA	65dB (1kHz)	-40°C to 125°C	8-VSSOP	Non-compliant	7,100
LP2986AIMM-5.0/NOPB	Texas Instruments	Active	5V	200mA	16V	0.35V @ 200mA	120 µA	65dB (1kHz)	-40°C to 125°C	8-VSSOP	ROHS3 Compliant	1,900
LP2986AIMMX-5.0/NOPB	Texas Instruments	Active	5V	200mA	16V	0.35V @ 200mA	120 µA	65dB (1kHz)	-40°C to 125°C	8-VSSOP	ROHS3 Compliant	4,400
LP2986IMM-5.0/NOPB	Texas Instruments	Active	5V	200mA	16V	0.35V @ 200mA	120 µA	65dB (1kHz)	-40°C to 125°C	8-VSSOP	ROHS3 Compliant	29,400
LP2987AIMM-5.0/NOPB	Texas Instruments	Active	5V	200mA	16V	0.35V @ 200mA	120 µA	65dB (1kHz)	-40°C to 125°C	8-VSSOP	ROHS3 Compliant	3,512
LP2987IMM-5.0/NOPB	Texas Instruments	Active	5V	200mA	16V	0.35V @ 200mA	120 µA	65dB (1kHz)	-40°C to 125°C	8-VSSOP	ROHS3 Compliant	2,600
LP2988AIMM-5.0/NOPB	Texas Instruments	Active	5V	200mA	16V	0.35V @ 200mA	120 µA	65dB (1kHz)	-40°C to 125°C	8-VSSOP	ROHS3 Compliant	3,487
LP2988IMM-5.0/NOPB	Texas Instruments	Active	5V	200mA	16V	0.35V @ 200mA	120 µA	65dB (1kHz)	-40°C to 125°C	8-VSSOP	ROHS3 Compliant	2,500

Engineering Selection Recommendations

All substitute parts listed are direct parametric equivalents to the LP2986IMMX-5.0 and are suitable for replacement in applications requiring 5V, 200mA linear regulation with identical electrical performance and package footprint.

Primary Selection Criteria:

Product Status: All substitute parts are active and in production. The original LP2986IMMX-5.0 is obsolete and should not be specified for new designs.
RoHS Compliance: All substitute parts are ROHS3 compliant, whereas the original part is non-compliant. This is a significant advantage for applications subject to environmental regulations.
Availability: LP2986IMM-5.0/NOPB offers the highest inventory level (29,400 pcs), providing superior supply chain security.
Packaging: All parts use identical 8-VSSOP package with Tape & Reel (TR) delivery format, ensuring direct PCB compatibility.
Certifications: All substitute parts maintain REACH Unaffected and EAR99 ECCN status, matching the original part's regulatory profile.

For new designs or production restocking, LP2986IMM-5.0/NOPB is the recommended primary choice due to active status, high availability, and full RoHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can LP2986AIMM-5.0/NOPB be used as a direct replacement for LP2986IMMX-5.0?

A: Yes. Both parts share identical electrical specifications (5V output, 200mA current, 0.35V dropout, 65dB PSRR) and 8-VSSOP package configuration. The primary difference is product status and RoHS compliance. LP2986AIMM-5.0/NOPB is active and ROHS3 compliant.

Q: What is the difference between LP2986 and LP2987 or LP2988 series parts?

A: All three series (LP2986, LP2987, LP2988) are parametrically equivalent for the 5V, 200mA output configuration specified here. They share identical electrical performance, package type, and protection features. Selection between series is based on availability and product status.

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

A: Yes. All substitute parts use the 8-VSSOP package (8-TSSOP, 8-MSOP, 0.118" / 3.00mm Width) with Tape & Reel delivery format, ensuring direct PCB footprint compatibility.

Q: Why is the original LP2986IMMX-5.0 marked as obsolete?

A: The original part is obsolete but remains in inventory (7,100 pcs). Active equivalent parts are available from the same manufacturer with superior compliance status and ongoing production support.

Q: Do all substitute parts have the same protection features?

A: Yes. All parts include Over Current, Over Temperature, and Short Circuit protection with Enable control feature, matching the original part's functional specification.

Q: What is the Moisture Sensitivity Level (MSL) for these parts?

A: All parts, including the original and substitutes, have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

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