BU2HTD2WNVX-TL Equivalent & Substitute Parts

Part Overview

The BU2HTD2WNVX-TL is a linear voltage regulator IC manufactured by ROHM Semiconductor, designed for positive fixed output regulation at 2.75V with 200mA output current capability. This device operates as a single-output positive regulator in a 4-UDFN surface mount package with exposed pad. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Finding equivalent or substitute parts may be necessary due to inventory constraints, supply chain considerations, or design flexibility requirements while maintaining identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Manufacturer	ROHM Semiconductor
Category	Power Management (PMIC)
Output Configuration	Positive
Output Type	Fixed
Voltage - Output (Min/Fixed)	2.75V
Voltage - Input (Max)	6V
Current - Output	200mA
Voltage Dropout (Max)	0.5V @ 200mA
Current - Quiescent (Iq)	60 µA
PSRR	70dB (1kHz)
Package / Case	4-UDFN Exposed Pad
Mounting Type	Surface Mount
Operating Temperature Range	-40°C ~ 85°C
Control Features	Enable
Protection Features	Over Current, Over Temperature, Short Circuit
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the BU2HTD2WNVX-TL must satisfy the following critical parameters to ensure functional and mechanical compatibility:

Electrical Specifications (Non-Negotiable):

Output voltage: 2.75V fixed
Maximum output current: 200mA
Maximum input voltage: 6V
Maximum dropout voltage: 0.5V @ 200mA
Quiescent current: 60 µA
PSRR: 70dB (1kHz)
Enable control feature
Protection: Over Current, Over Temperature, Short Circuit

Mechanical & Environmental Specifications (Non-Negotiable):

Package: 4-UDFN Exposed Pad (SSON004X1010)
Mounting: Surface Mount
Operating temperature: -40°C ~ 85°C
RoHS3 compliance
MSL 1 rating

Parts meeting all these parameters are considered parametric equivalents and direct substitutes. No deviations from specified electrical or mechanical parameters are permitted for substitution classification.

Parameter Comparison

Parameter	BU2HTD2WNVX-TL (Main)	BU2HTD2WNVX-TL (Substitute)
Manufacturer	ROHM Semiconductor	ROHM Semiconductor
Output Voltage (Fixed)	2.75V	2.75V
Output Current	200mA	200mA
Input Voltage (Max)	6V	6V
Dropout Voltage (Max)	0.5V @ 200mA	0.5V @ 200mA
Quiescent Current	60 µA	60 µA
PSRR	70dB (1kHz)	70dB (1kHz)
Package	4-UDFN Exposed Pad	4-UDFN Exposed Pad
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

The BU2HTD2WNVX-TL is an active production component with full ROHS3 compliance and REACH unaffected status, making it suitable for current and future design implementations. When selecting this part or its equivalents, verify that the supply source provides components with matching certifications and compliance documentation. The part's MSL 1 rating eliminates moisture sensitivity concerns during standard storage and handling procedures. All substitute parts must maintain identical electrical performance specifications and package configuration to ensure drop-in compatibility without circuit redesign or PCB layout modifications.

Frequently Asked Questions (FAQ)

Q: What makes a part a valid substitute for the BU2HTD2WNVX-TL? A: A valid substitute must match all electrical parameters (2.75V output, 200mA current, 0.5V dropout, 60µA quiescent current, 70dB PSRR) and mechanical specifications (4-UDFN Exposed Pad package, surface mount, -40°C to 85°C operating range) with identical RoHS3 and MSL 1 compliance.

Q: Can I use a different output voltage regulator as a substitute? A: No. The output voltage must be exactly 2.75V fixed. Different output voltages require circuit redesign and are not considered substitutes.

Q: Is the 4-UDFN Exposed Pad package interchangeable with other package types? A: No. The package type is a critical mechanical specification. Only parts in the identical 4-UDFN Exposed Pad (SSON004X1010) configuration are compatible without PCB layout changes.

Q: What is the significance of the 0.5V dropout voltage specification? A: The maximum dropout voltage of 0.5V @ 200mA defines the minimum input voltage required for proper regulation. Substitute parts must maintain this specification to ensure circuit functionality across the specified input voltage range up to 6V.

Q: Does the Enable control feature affect substitution compatibility? A: Yes. The Enable control feature is a required function. Substitute parts must include this control capability to maintain design functionality.

Q: Are there any temperature derating considerations for this regulator? A: The operating temperature range is -40°C to 85°C. Substitute parts must support this full range. Applications requiring operation outside this range require alternative component selection.

Q: What does MSL 1 (Unlimited) mean for component handling? A: MSL 1 rating indicates unlimited shelf life without moisture sensitivity concerns. Components do not require special dry storage or baking procedures before soldering, simplifying inventory and manufacturing processes.

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