LP3996SD-2828/NOPB Equivalent & Substitute Parts

Part Overview

The LP3996SD-2828/NOPB is a linear voltage regulator IC from Texas Instruments designed for positive fixed 2-output applications with 150mA and 300mA current ratings in a 10-WSON (3x3) package. This part is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production support. The device operates across -40°C to 85°C and provides 2.8V fixed output with integrated enable control and protection features including over-temperature and short-circuit protection.

Key Parameters

Parameter	LP3996SD-2828/NOPB
Manufacturer	Texas Instruments
Product Status	Obsolete
Output Configuration	Positive Fixed
Number of Regulators	2
Voltage - Output (Fixed)	2.8V
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
Control Features	Enable
Protection Features	Over Temperature, Short Circuit
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the LP3996SD-2828/NOPB is determined by the following critical parameters:

Output voltage configuration: 2.8V fixed output
Dual-output regulator topology with 150mA and 300mA current ratings
Maximum input voltage: 6V or higher
Surface mount package with 10-pin DFN/SON/MLF footprint compatibility
Operating temperature range: -40°C to 85°C minimum
Enable control feature
Over-temperature and short-circuit protection

Substitute parts are grouped into two categories:

Category 1: Direct Texas Instruments Successor – LP5996SD-2828/NOPB maintains identical electrical specifications with active product status and improved packaging availability.

Category 2: Cross-Manufacturer Alternatives – Renesas Electronics ISL9012 series and Microchip Technology MIC2212 series provide equivalent functionality with 2.8V output options, though with variations in quiescent current, dropout voltage, and additional protection features.

Parameter Comparison

Parameter	LP3996SD-2828/NOPB	LP5996SD-2828/NOPB	ISL9012IRCJZ	ISL9012IRCJZ-T	MIC2212-DNYML-TR	MIC2212-GMYML-TR
Manufacturer	Texas Instruments	Texas Instruments	Renesas Electronics	Renesas Electronics	Microchip Technology	Microchip Technology
Product Status	Obsolete	Active	Active	Active	Active	Active
Output Configuration	Positive Fixed	Positive Fixed	Positive Fixed	Positive Fixed	Positive Fixed	Positive Fixed
Number of Regulators	2	2	2	2	2	2
Voltage - Output (Fixed)	2.8V	2.8V	1.8V, 2.8V	1.8V, 2.8V	1.85V, 2.85V	1.8V, 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)	0.22V @ 150mA, 0.55V @ 150mA	0.22V @ 150mA, 0.55V @ 300mA	-, 0.4V @ 300mA	-, 0.4V @ 300mA	0.25V @ 150mA, 0.42V @ 300mA	0.25V @ 150mA, 0.42V @ 300mA
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®
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
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)

Engineering Selection Recommendations

LP5996SD-2828/NOPB is the primary substitute for the obsolete LP3996SD-2828/NOPB. Both parts are Texas Instruments products with identical electrical specifications, output voltage, current ratings, and operating temperature range. The LP5996SD-2828/NOPB carries active product status with superior inventory availability (1728 pcs vs. 784 pcs). Both are ROHS3 compliant with MSL 1 rating, ensuring equivalent handling and storage requirements. This part requires no design changes and provides direct functional replacement.

ISL9012IRCJZ and ISL9012IRCJZ-T (Renesas Electronics) offer lower quiescent current (40 µA vs. 100 µA) and improved protection features including over-current, soft start, and under-voltage lockout. These parts support 2.8V output configuration and maintain the same current ratings and operating temperature range. The higher maximum input voltage (6.5V vs. 6V) provides additional design margin. MSL 3 rating requires controlled storage conditions. Package footprint compatibility with 10-DFN requires verification against PCB layout.

MIC2212-GMYML-TR (Microchip Technology) provides 1.8V and 2.8V output options with extended operating temperature to 125°C. This part includes power-on reset functionality and improved dropout voltage characteristics. MSL 1 rating matches the original part. Maximum input voltage is limited to 5.5V, which may restrict application in higher input voltage systems. Tape & Reel packaging supports high-volume production.

All substitute parts maintain ROHS3 compliance and EAR99 export classification consistent with the original part.

Frequently Asked Questions (FAQ)

Q: Can LP5996SD-2828/NOPB directly replace LP3996SD-2828/NOPB without PCB modifications?

A: Yes. Both parts share identical electrical specifications, output voltage (2.8V), current ratings (150mA, 300mA), and package footprint (10-WFDFN Exposed Pad). No design changes are required.

Q: What are the key differences between the Renesas ISL9012 series and the original LP3996SD-2828/NOPB?

A: The ISL9012 series provides lower quiescent current (40 µA vs. 100 µA), higher maximum input voltage (6.5V vs. 6V), and enhanced protection features including over-current and soft start. The package footprint is 10-DFN, which differs from the original 10-WSON. MSL rating is 3 instead of 1, requiring controlled storage. The 2.8V output variant (ISL9012IRCJZ) is functionally equivalent for fixed 2.8V applications.

Q: Are there packaging considerations when switching to MIC2212-GMYML-TR?

A: Yes. The MIC2212-GMYML-TR uses 10-MLF® package, which differs from the original 10-WSON footprint. PCB layout verification is required to confirm pad compatibility and thermal performance. The part is supplied in Tape & Reel format, suitable for automated assembly. Maximum input voltage is 5.5V, lower than the original 6V specification.

Q: Which substitute part offers the best quiescent current performance?

A: The Renesas ISL9012 series (ISL9012IRCJZ, ISL9012IRCJZ-T) offers the lowest quiescent current at 40 µA, compared to 100 µA for the original LP3996SD-2828/NOPB and 110 µA for the LP5996SD-2828/NOPB. This reduces standby power consumption in battery-powered applications.

Q: What is the impact of MSL 3 rating on the Renesas ISL9012 parts?

A: MSL 3 rating requires storage at controlled humidity (≤60% RH) for up to 168 hours before soldering. This is more restrictive than MSL 1 (unlimited storage). Proper moisture control during component handling and storage is necessary to prevent solder joint defects.

Q: Can I use ISL9012IRFCZ or ISL9012IRFDZ for 2.8V output applications?

A: No. ISL9012IRFCZ and ISL9012IRFDZ are configured for 2.5V and 2V output voltages respectively. For 2.8V output replacement, use ISL9012IRCJZ or ISL9012IRCJZ-T only.

Q: What is the maximum input voltage limitation for MIC2212 parts?

A: MIC2212 series parts have a maximum input voltage of 5.5V, compared to 6V for the original LP3996SD-2828/NOPB and 6.5V for the Renesas ISL9012 series. Applications requiring input voltages above 5.5V must use alternative substitutes.

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