LP3996SD-3030 Equivalent & Substitute Parts

Part Overview

The LP3996SD-3030 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 3V, housed in a 10-WSON (3x3) surface mount package. The device is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. Substitute parts must maintain electrical compatibility across output configuration, voltage levels, current delivery, and thermal performance parameters.

Key Parameters

Parameter	LP3996SD-3030
Manufacturer	Texas Instruments
Output Configuration	Positive Fixed
Number of Regulators	2
Voltage - Input (Max)	6V
Voltage - Output (Min/Fixed)	3V
Current - Output	150mA, 300mA
Voltage Dropout (Max)	0.22V @ 150mA, 0.55V @ 150mA
Current - Quiescent (Iq)	100 µA
PSRR	58dB ~ 45dB, 70dB ~ 60dB (1kHz ~ 20kHz)
Control Features	Enable
Protection Features	Over Temperature, Short Circuit
Operating Temperature	-40°C ~ 85°C
Package / Case	10-WFDFN Exposed Pad
Mounting Type	Surface Mount
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the LP3996SD-3030 are selected based on strict electrical and mechanical compatibility criteria:

Primary Substitution Criteria:

Output configuration: Positive fixed
Number of regulators: 2 outputs
Output voltage: 3V (primary output)
Current delivery: 150mA and 300mA capability
Voltage dropout performance: Maximum 0.25V @ 150mA and 0.42V @ 300mA
Quiescent current: 80 µA or lower
Control features: Enable function
Protection: Over temperature and over current protection
Package compatibility: 10-pin surface mount with exposed pad
Operating temperature range: -40°C minimum to 85°C minimum

Grouping Logic:

Group 1 - Parametric Equivalent (Texas Instruments): LP3996SD-3030/NOPB maintains identical electrical specifications to the main part with the addition of RoHS3 compliance and active product status. This part is a direct replacement with tape & reel packaging.

Group 2 - Manufacturer Recommended Substitutes (Microchip Technology MIC2212 Series): The MIC2212 family provides dual-output linear regulation with compatible current delivery, dropout voltage, and protection features. Five variants accommodate different output voltage combinations while maintaining the same 10-MLF package footprint and electrical performance envelope. All MIC2212 variants feature enhanced operating temperature range (-40°C to 125°C) and include Power On Reset functionality in addition to Enable control.

Parameter Comparison

Parameter	LP3996SD-3030	LP3996SD-3030/NOPB	MIC2212-LPYML-TR	MIC2212-MPYML-TR	MIC2212-PMYML-TR	MIC2212-PNYML-TR	MIC2212-PPYML-TR
Manufacturer	Texas Instruments	Texas Instruments	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
Output Configuration	Positive Fixed	Positive Fixed	Positive Fixed	Positive Fixed	Positive Fixed	Positive Fixed	Positive Fixed
Number of Regulators	2	2	2	2	2	2	2
Voltage - Input (Max)	6V	6V	5.5V	5.5V	5.5V	5.5V	5.5V
Voltage - Output (Min/Fixed)	3V	3V	2.7V, 3V	2.8V, 3V	3V, 2.8V	3V, 2.85V	3V, 3V
Current - Output	150mA, 300mA	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 @ 150mA	0.25V @ 150mA, 0.42V @ 300mA	0.25V @ 150mA, 0.42V @ 300mA	0.25V @ 150mA, 0.42V @ 300mA	0.25V @ 150mA, 0.42V @ 300mA	0.25V @ 150mA, 0.42V @ 300mA
Current - Quiescent (Iq)	100 µA	100 µA	80 µA	80 µA	80 µA	80 µA	80 µA
PSRR	58dB ~ 45dB, 70dB ~ 60dB (1kHz ~ 20kHz)	58dB ~ 45dB, 70dB ~ 60dB (1kHz ~ 20kHz)	60dB ~ 40dB (1KHz ~ 20kHz)	60dB ~ 40dB (1KHz ~ 20kHz)	60dB ~ 40dB (1KHz ~ 20kHz)	60dB ~ 40dB (1KHz ~ 20kHz)	60dB ~ 40dB (1KHz ~ 20kHz)
Control Features	Enable	Enable	Enable, Power On Reset	Enable, Power On Reset	Enable, Power On Reset	Enable, Power On Reset	Enable, Power On Reset
Protection Features	Over Temperature, Short Circuit	Over Temperature, Short Circuit	Over Current, Over Temperature	Over Current, Over Temperature	Over Current, Over Temperature	Over Current, Over Temperature	Over Current, Over Temperature
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Package / Case	10-WFDFN Exposed Pad	10-WFDFN Exposed Pad	10-VFDFN Exposed Pad, 10-MLF®	10-VFDFN Exposed Pad, 10-MLF®	10-VFDFN Exposed Pad, 10-MLF®	10-VFDFN Exposed Pad, 10-MLF®	10-VFDFN Exposed Pad, 10-MLF®
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

LP3996SD-3030/NOPB (Texas Instruments): This part is the direct parametric equivalent and preferred first choice for LP3996SD-3030 replacement. It maintains identical electrical specifications and is available in active production status with RoHS3 compliance. The tape & reel packaging format supports automated assembly processes. Select this part when design continuity with the original LP3996 architecture is required and input voltage remains at or below 6V.

MIC2212 Series (Microchip Technology): The MIC2212 family provides functionally equivalent dual-output linear regulation with active product status and RoHS3 compliance. These parts deliver superior quiescent current performance (80 µA versus 100 µA) and extended operating temperature range (-40°C to 125°C versus -40°C to 85°C). The addition of Power On Reset functionality provides enhanced system initialization control. Input voltage maximum is 5.5V, which is compatible with designs operating below 6V. Select MIC2212 variants when:

Lower quiescent current is beneficial for battery-powered applications
Extended temperature range operation is required
Power On Reset functionality adds value to system design
Output voltage combinations match specific application requirements

Output Voltage Variant Selection (MIC2212):

MIC2212-LPYML-TR: 2.7V and 3V outputs
MIC2212-MPYML-TR: 2.8V and 3V outputs
MIC2212-PMYML-TR: 3V and 2.8V outputs
MIC2212-PNYML-TR: 3V and 2.85V outputs
MIC2212-PPYML-TR: 3V and 3V outputs (dual 3V output configuration)

Frequently Asked Questions (FAQ)

Q: Can LP3996SD-3030/NOPB be used as a direct replacement for LP3996SD-3030?

A: Yes. LP3996SD-3030/NOPB is a parametric equivalent with identical electrical specifications. The primary differences are active product status, RoHS3 compliance, and tape & reel packaging format. No circuit modifications are required.

Q: What is the key difference between LP3996SD-3030/NOPB and MIC2212 substitutes?

A: LP3996SD-3030/NOPB maintains the original Texas Instruments architecture and specifications. MIC2212 parts offer lower quiescent current (80 µA versus 100 µA), extended operating temperature range (to 125°C), and Power On Reset functionality. Both families deliver the same 150mA and 300mA output currents and dropout voltage performance.

Q: Are MIC2212 parts pin-compatible with LP3996SD-3030?

A: Both use 10-pin surface mount packages with exposed pads (10-WFDFN and 10-MLF® respectively). Physical footprints are compatible for PCB layout purposes. Verify pinout assignments in device datasheets before implementation, as pin functions may differ between manufacturers.

Q: Which MIC2212 variant should I select?

A: Select the MIC2212 variant that matches your required output voltage combination. For applications requiring dual 3V outputs, use MIC2212-PPYML-TR. For mixed voltage outputs, choose the variant with the closest voltage match to your original design requirements.

Q: What is the maximum input voltage for MIC2212 substitutes?

A: MIC2212 parts are rated for maximum 5.5V input, compared to 6V for the LP3996SD-3030. Verify your input voltage does not exceed 5.5V before selecting MIC2212 substitutes. If input voltage reaches 6V, use LP3996SD-3030/NOPB instead.

Q: Do MIC2212 parts provide the same protection features?

A: MIC2212 parts include over current and over temperature protection. LP3996SD-3030 includes short circuit and over temperature protection. Both provide thermal shutdown capability. Verify protection feature requirements for your specific application.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. LP3996SD-3030/NOPB and all MIC2212 variants are RoHS3 compliant. The original LP3996SD-3030 is RoHS non-compliant. Use compliant substitutes for new designs and production requiring RoHS certification.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message