LP5912-2.8DRVT Equivalent & Substitute Parts

Part Overview

The LP5912-2.8DRVT is a linear voltage regulator IC from Texas Instruments designed for positive fixed output applications. This device delivers 500mA output current at a fixed 2.8V output with a maximum dropout voltage of 0.25V at full load. The part is currently in Last Time Buy status, making identification of equivalent and substitute parts essential for design continuity and procurement planning.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Category	Power Management (PMIC)
Output Voltage (Fixed)	2.8V
Output Current	500mA
Input Voltage (Max)	6.5V
Dropout Voltage (Max)	0.25V @ 500mA
Quiescent Current	55 µA
Package	6-WSON (2x2)
Operating Temperature	-40°C ~ 125°C (TJ)
Control Features	Enable, Power Good, Soft Start
Protection Features	Over Temperature, Reverse Polarity, Short Circuit
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the LP5912-2.8DRVT is determined by electrical and mechanical parameter matching across the following criteria:

Electrical Parameters (Must Match):

Output voltage: 2.8V fixed
Output current capability: 500mA
Input voltage maximum: 6.5V
Dropout voltage: 0.25V @ 500mA
Quiescent current: 55 µA
Control features: Enable, Power Good, Soft Start
Protection features: Over Temperature, Reverse Polarity, Short Circuit

Mechanical Parameters (Must Match):

Package type: 6-WSON (2x2)
Mounting type: Surface Mount

Compliance Parameters:

RoHS3 compliance
MSL rating: 1 (Unlimited)

The substitute parts LP5912-2.8DRVR, LP5912Q2.8DRVRQ1, and LP5912Q2.8DRVTQ1 maintain identical electrical and mechanical specifications. Differences exist only in packaging format (Cut Tape vs. Tape & Reel) and product status (Active vs. Last Time Buy), with automotive-grade variants available for LP5912Q2.8DRVRQ1 and LP5912Q2.8DRVTQ1.

Parameter Comparison

Parameter	LP5912-2.8DRVT	LP5912-2.8DRVR	LP5912Q2.8DRVRQ1	LP5912Q2.8DRVTQ1
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Output Voltage	2.8V	2.8V	2.8V	2.8V
Output Current	500mA	500mA	500mA	500mA
Input Voltage (Max)	6.5V	6.5V	6.5V	6.5V
Dropout Voltage (Max)	0.25V @ 500mA	0.25V @ 500mA	0.25V @ 500mA	0.25V @ 500mA
Quiescent Current	55 µA	55 µA	55 µA	55 µA
PSRR	80dB ~ 40dB (100Hz ~ 100kHz)	80dB ~ 40dB (100Hz ~ 100kHz)	80dB ~ 40dB (100Hz ~ 100kHz)	80dB ~ 40dB (100Hz ~ 100kHz)
Package	6-WSON (2x2)	6-WSON (2x2)	6-WSON (2x2)	6-WSON (2x2)
Operating Temperature	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)
Control Features	Enable, Power Good, Soft Start	Enable, Power Good, Soft Start	Enable, Power Good, Soft Start	Enable, Power Good, Soft Start
Protection Features	Over Temperature, Reverse Polarity, Short Circuit	Over Temperature, Reverse Polarity, Short Circuit	Over Temperature, Reverse Polarity, Short Circuit	Over Temperature, Reverse Polarity, Short Circuit
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Format	Cut Tape (CT) & Digi-Reel®	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)	Tape & Reel (TR)
Product Status	Last Time Buy	Active	Active	Last Time Buy
Automotive Grade	Standard	Standard	AEC-Q100 Qualified	AEC-Q100 Qualified

Engineering Selection Recommendations

For Standard Industrial Applications: LP5912-2.8DRVR is the primary substitute for LP5912-2.8DRVT. Both parts maintain identical electrical specifications and package format. LP5912-2.8DRVR carries Active product status, providing extended availability compared to the Last Time Buy status of LP5912-2.8DRVT. This part is suitable for new designs and ongoing production requiring Cut Tape or Digi-Reel packaging.

For Automotive Applications: LP5912Q2.8DRVRQ1 and LP5912Q2.8DRVTQ1 are qualified to AEC-Q100 automotive standards and are appropriate for automotive-grade designs. LP5912Q2.8DRVRQ1 is recommended for new automotive designs due to its Active product status. Both automotive variants are supplied in Tape & Reel format and maintain all electrical specifications of the standard industrial versions.

For Tape & Reel Packaging Requirements: LP5912Q2.8DRVRQ1 (Active status) or LP5912Q2.8DRVTQ1 (Last Time Buy status) are suitable when Tape & Reel packaging is required. These parts are electrically identical to the Cut Tape variants and differ only in packaging format and automotive qualification.

Frequently Asked Questions (FAQ)

Q: Can LP5912-2.8DRVR be used as a direct replacement for LP5912-2.8DRVT? A: Yes. LP5912-2.8DRVR is a parametric equivalent with identical electrical and mechanical specifications. The primary difference is product status (Active vs. Last Time Buy) and packaging format availability. Both parts are pin-compatible and functionally interchangeable in the 6-WSON package.

Q: What is the difference between Cut Tape and Tape & Reel packaging? A: Cut Tape (CT) and Digi-Reel packaging are used for lower-volume or manual assembly operations. Tape & Reel (TR) packaging is optimized for high-volume automated assembly. The electrical and mechanical specifications of the device remain identical regardless of packaging format.

Q: Are the automotive-qualified variants (LP5912Q2.8DRVRQ1 and LP5912Q2.8DRVTQ1) suitable for non-automotive applications? A: Yes. Automotive-qualified parts meet or exceed industrial specifications and are fully compatible with standard industrial applications. The AEC-Q100 qualification indicates additional testing and reliability assurance.

Q: What does Last Time Buy status mean for the LP5912-2.8DRVT? A: Last Time Buy indicates that Texas Instruments will no longer manufacture this specific part number after a defined cutoff date. Existing inventory may be available, but new production is not planned. For long-term designs, migration to Active status variants (LP5912-2.8DRVR or LP5912Q2.8DRVRQ1) is recommended.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts (LP5912-2.8DRVR, LP5912Q2.8DRVRQ1, and LP5912Q2.8DRVTQ1) are ROHS3 compliant with MSL rating of 1 (Unlimited).

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