LP3996SD-2533/NOPB Equivalent & Substitute Parts

Part Overview

The LP3996SD-2533/NOPB is a linear voltage regulator IC from Texas Instruments, classified as a Power Management (PMIC) component. This dual-output positive fixed regulator delivers 150mA and 300mA outputs at 2.5V and 3.3V respectively, housed in a 10-WSON (3x3) package. The device is Active status and ROHS3 compliant, designed for surface mount applications requiring compact power regulation with integrated protection features.

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, manufacturing discontinuation, or specific application performance criteria while maintaining functional compatibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	LP3996SD-2533/NOPB
Manufacturer	Texas Instruments
Category	Power Management (PMIC)
Output Configuration	Positive Fixed, 2 Outputs
Voltage - Output (Min/Fixed)	2.5V, 3.3V
Voltage - Input (Max)	6V
Current - Output	150mA, 300mA
Voltage Dropout (Max)	0.22V @ 150mA, 0.55V @ 150mA
Current - Quiescent (Iq)	100 µA
Operating Temperature	-40°C ~ 85°C
Package / Case	10-WFDFN Exposed Pad
Mounting Type	Surface Mount
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are classified based on the following critical parameters that determine functional compatibility:

Primary Substitution Criteria:

Output voltage configuration (2.5V and 3.3V dual outputs required)
Output current capability (150mA and 300mA minimum)
Maximum input voltage (6V or higher)
Operating temperature range (-40°C ~ 85°C minimum)
Surface mount package with exposed pad
Positive fixed output configuration
Number of regulators (2 outputs)

Substitute Categories:

Category 1: Direct Parametric Equivalent

LP5996SD-2533/NOPB (Texas Instruments): Identical output voltages, current ratings, and input voltage specifications. Differs in package designation (10-SON vs 10-WSON) and quiescent current (110 µA vs 100 µA). Functionally interchangeable for applications where package footprint compatibility is maintained.

Category 2: Manufacturer Recommended Alternatives

ISL9012IRNNZ and ISL9012IRNNZ-T (Renesas Electronics): Dual-output 3.3V regulators with enhanced protection features (Over Current, Soft Start, UVLO). Output voltage configuration differs (3.3V/3.3V vs 2.5V/3.3V). Lower quiescent current (40 µA) and improved dropout performance. Suitable for applications where 3.3V dual outputs are acceptable and enhanced protection is beneficial.

Category 3: Cross-Manufacturer Alternatives

MIC2212-JSYML-TR (Microchip Technology): Dual-output 2.5V/3.3V regulator with identical output voltage configuration. Lower maximum input voltage (5.5V vs 6V). Extended operating temperature range (-40°C ~ 125°C). Includes Power On Reset feature. Lower quiescent current (80 µA).
MIC2212-SMYML-TR (Microchip Technology): Dual-output 3.3V/2.8V regulator. Output voltage configuration differs from primary part. Same current ratings and input voltage specifications as MIC2212-JSYML-TR.

Parameter Comparison

Parameter	LP3996SD-2533/NOPB	LP5996SD-2533/NOPB	ISL9012IRNNZ	ISL9012IRNNZ-T	MIC2212-JSYML-TR	MIC2212-SMYML-TR
Manufacturer	Texas Instruments	Texas Instruments	Renesas Electronics	Renesas Electronics	Microchip Technology	Microchip Technology
Output Voltage (Min/Fixed)	2.5V, 3.3V	2.5V, 3.3V	3.3V, 3.3V	3.3V, 3.3V	2.5V, 3.3V	3.3V, 2.8V
Voltage - Input (Max)	6V	6V	6.5V	6.5V	5.5V	5.5V
Current - Output	150mA, 300mA	150mA, 300mA	150mA, 300mA	150mA, 300mA	150mA, 300mA	150mA, 300mA
Voltage Dropout (Max) @ 150mA	0.22V	0.22V	0.2V	0.2V	0.25V	0.25V
Voltage Dropout (Max) @ 300mA	0.55V	0.55V	0.325V	0.325V	0.42V	0.42V
Current - Quiescent (Iq)	100 µA	110 µA	40 µA	40 µA	80 µA	80 µA
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C
Package / Case	10-WFDFN Exposed Pad	10-WFDFN Exposed Pad	10-VFDFN Exposed Pad	10-VFDFN Exposed Pad	10-VFDFN Exposed Pad, 10-MLF®	10-VFDFN Exposed Pad, 10-MLF®
Packaging Type	Tape & Reel (TR)	Tape & Reel (TR)	Tube	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
Product Status	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)
Control Features	Enable	Enable	Enable	Enable	Enable, Power On Reset	Enable, Power On Reset
Protection Features	Over Temperature, Short Circuit	Over Temperature, Short Circuit	Over Current, Over Temperature, Soft Start, UVLO	Over Current, Over Temperature, Soft Start, UVLO	Over Current, Over Temperature	Over Current, Over Temperature

Engineering Selection Recommendations

For Direct Replacement (Identical Output Voltage Configuration):

LP5996SD-2533/NOPB is the primary parametric equivalent, maintaining identical 2.5V and 3.3V output voltages and current specifications. Both devices are Active status and ROHS3 compliant. Selection between LP3996SD-2533/NOPB and LP5996SD-2533/NOPB depends on package footprint compatibility (10-WSON vs 10-SON designation) and PCB layout constraints. Both support Tape & Reel packaging for production environments.

MIC2212-JSYML-TR provides identical output voltage configuration (2.5V/3.3V) with Active status and ROHS3 compliance. This option offers extended operating temperature range (-40°C ~ 125°C) and lower quiescent current (80 µA), beneficial for temperature-sensitive or battery-powered applications. Maximum input voltage is reduced to 5.5V, requiring verification against circuit design specifications.

For Applications Accepting 3.3V Dual Outputs:

ISL9012IRNNZ and ISL9012IRNNZ-T (Renesas Electronics) are suitable when application requirements permit dual 3.3V outputs instead of 2.5V/3.3V configuration. Both devices are Active status and ROHS3 compliant. These alternatives provide superior dropout performance (0.2V @ 150mA, 0.325V @ 300mA) and significantly lower quiescent current (40 µA). Enhanced protection features include Over Current, Soft Start, and Under Voltage Lockout (UVLO). ISL9012IRNNZ-T is packaged in Tape & Reel format, matching production requirements of the primary part. ISL9012IRNNZ is supplied in Tube packaging. Moisture Sensitivity Level is MSL 3 (168 Hours), requiring controlled storage conditions compared to MSL 1 of the primary part.

For Applications Accepting 3.3V/2.8V Output Configuration:

MIC2212-SMYML-TR is applicable only when circuit design accommodates 3.3V and 2.8V outputs. This device maintains all other specifications consistent with MIC2212-JSYML-TR, including extended temperature range and lower quiescent current.

Frequently Asked Questions (FAQ)

Q: Can LP5996SD-2533/NOPB be used as a direct replacement for LP3996SD-2533/NOPB?

A: LP5996SD-2533/NOPB is functionally equivalent with identical output voltages (2.5V, 3.3V), current ratings (150mA, 300mA), and input voltage specifications (6V max). The primary difference is package designation (10-SON vs 10-WSON). Verify PCB footprint compatibility before substitution. Both are Active status, ROHS3 compliant, and available in Tape & Reel packaging.

Q: What are the key differences between Texas Instruments and Renesas alternatives?

A: ISL9012IRNNZ and ISL9012IRNNZ-T (Renesas) provide dual 3.3V outputs instead of 2.5V/3.3V. They offer superior dropout performance (0.2V @ 150mA vs 0.22V) and lower quiescent current (40 µA vs 100 µA). Enhanced protection includes Over Current, Soft Start, and UVLO. Maximum input voltage is 6.5V (vs 6V). Moisture Sensitivity Level is MSL 3, requiring controlled storage. Substitution is valid only if application design accepts 3.3V dual outputs.

Q: Why is the Microchip MIC2212-JSYML-TR listed as an alternative?

A: MIC2212-JSYML-TR maintains identical output voltage configuration (2.5V/3.3V) and current specifications. It provides extended operating temperature range (-40°C ~ 125°C vs -40°C ~ 85°C) and lower quiescent current (80 µA). Maximum input voltage is 5.5V, which must be verified against circuit requirements. This option is suitable for temperature-sensitive applications or when extended operating range is beneficial.

Q: Are there package compatibility concerns when substituting these parts?

A: Yes. LP3996SD-2533/NOPB uses 10-WSON (3x3) package. LP5996SD-2533/NOPB uses 10-SON (3x3). ISL9012 variants use 10-DFN (3x3). MIC2212 variants use 10-MLF® (3x3). While all are 3x3 footprints with exposed pads, specific pin configurations and thermal characteristics may differ. PCB layout verification is required before substitution.

Q: What is the impact of different Moisture Sensitivity Levels?

A: LP3996SD-2533/NOPB and MIC2212 variants are MSL 1 (Unlimited), allowing indefinite shelf storage without baking. ISL9012 variants are MSL 3 (168 Hours), requiring controlled humidity storage and baking procedures before reflow if storage exceeds 168 hours. This affects supply chain handling and production scheduling.

Q: Can ISL9012IRNNZ be substituted for ISL9012IRNNZ-T?

A: Both ISL9012 variants have identical electrical specifications and package type (10-DFN). The primary difference is packaging format: ISL9012IRNNZ is supplied in Tube, while ISL9012IRNNZ-T is supplied in Tape & Reel (TR). For production environments requiring automated assembly, ISL9012IRNNZ-T is the appropriate selection. ISL9012IRNNZ is suitable for lower-volume or manual assembly applications.

Q: What protection features differ between these alternatives?

A: LP3996SD-2533/NOPB provides Over Temperature and Short Circuit protection. ISL9012 variants add Over Current, Soft Start, and Under Voltage Lockout (UVLO) protection. MIC2212 variants provide Over Current and Over Temperature protection. Applications requiring specific protection features should verify compatibility with circuit design requirements.

Q: Is there a quiescent current advantage to selecting alternatives?

A: Yes. ISL9012 variants have the lowest quiescent current at 40 µA, followed by MIC2212 variants at 80 µA, LP5996SD-2533/NOPB at 110 µA, and LP3996SD-2533/NOPB at 100 µA. For battery-powered or low-power applications, ISL9012 variants provide significant power savings. This advantage must be weighed against output voltage configuration requirements (3.3V/3.3V vs 2.5V/3.3V).

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