XC6501B28AMR-G Linear Voltage Regulator Equivalent & Substitute Parts

Part Overview

The XC6501B28AMR-G is an active linear voltage regulator IC manufactured by Torex Semiconductor Ltd, classified as a Power Management (PMIC) component. This device provides a positive fixed output of 2.85V at 200mA in a surface mount SOT-25 package. The regulator features enable control and over-current protection, operating across the temperature range of -40°C to 85°C. As an active product with full RoHS3 compliance and unlimited moisture sensitivity rating, substitute parts are identified to provide design flexibility, inventory alternatives, and extended availability options for applications requiring equivalent or enhanced performance characteristics.

Substiute Parts

XC6501B28AMR-G

Torex Semiconductor LtdIn Stock: 993XC6501B28AMR-G Datasheet

Current PartRFQ

TLV70228PDBVR

Texas InstrumentsIn Stock: 26131TLV70228PDBVR Datasheet

SimilarRFQ

TLV70228PDBVT

Texas InstrumentsIn Stock: 7109TLV70228PDBVT Datasheet

SimilarRFQ

S-1315A2J-M5T1U3

ABLIC Inc.In Stock: 964S-1315A2J-M5T1U3 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the XC6501B28AMR-G are identified based on the following critical parameters that determine functional compatibility:

Primary Substitution Criteria:

• Output voltage compatibility (2.8V to 2.85V range acceptable)
• Output current capability (minimum 200mA required)
• Input voltage maximum rating (5.5V to 6V acceptable)
• Voltage dropout performance (≤0.38V @ rated current)
• Package compatibility (SOT-25/SOT-23-5 surface mount)
• Control features (Enable function required)
• Protection features (Over-current protection minimum)
• Operating temperature range (-40°C to 85°C minimum)
• Compliance status (RoHS3, REACH Unaffected)

Substitute Categories:

Category 1: Direct Current Upgrade Substitutes Parts TLV70228PDBVR and TLV70228PDBVT (Texas Instruments) provide 300mA output current capability with 2.8V fixed output, exceeding the 200mA requirement of the main part. These devices maintain compatible input voltage ratings and package form factors while offering enhanced protection features.

Category 2: Parametric Equivalent Substitute Part S-1315A2J-M5T1U3 (ABLIC Inc.) matches the exact 2.85V output voltage and 200mA current rating with improved voltage dropout performance (0.28V vs. 0.36V) and significantly lower quiescent current (1 µA vs. 20 µA).

Parameter Comparison

Engineering Selection Recommendations

For TLV70228PDBVR and TLV70228PDBVT (Texas Instruments):

These substitutes are suitable when enhanced current capacity and extended temperature operation are beneficial. Both devices maintain RoHS3 compliance and REACH Unaffected status. The 300mA output current rating provides headroom above the 200mA requirement. The extended operating temperature range (-40°C to 125°C) accommodates applications requiring higher thermal performance. Enhanced protection features including over-temperature, reverse polarity, and under-voltage lockout provide additional circuit safeguards. The 2.8V output voltage is within acceptable tolerance for 2.85V applications. Input voltage maximum of 5.5V is compatible with the main part's 6V rating for most practical applications. Inventory availability is significantly higher (26,100 and 7,080 units respectively) compared to the main part (953 units).

For S-1315A2J-M5T1U3 (ABLIC Inc.):

This substitute provides exact output voltage matching (2.85V) and identical current rating (200mA) with superior performance characteristics. Voltage dropout is reduced to 0.28V compared to 0.36V, resulting in improved efficiency and reduced thermal dissipation. Quiescent current is substantially lower at 1 µA versus 20 µA, beneficial for battery-powered or low-power standby applications. Operating temperature range matches the main part (-40°C to 85°C). RoHS3 compliance and REACH Unaffected status are maintained. Packaging is Cut Tape (CT) rather than Tape & Reel (TR), suitable for lower-volume or manual assembly operations. Inventory availability (861 units) is lower than Texas Instruments alternatives but comparable to the main part.

Frequently Asked Questions (FAQ)

Q1: Can TLV70228PDBVR or TLV70228PDBVT be used as direct replacements for XC6501B28AMR-G?

A: Yes, with circuit design considerations. Both Texas Instruments devices are functionally compatible as substitutes. The 300mA output current capability exceeds the 200mA requirement, providing design margin. The 2.8V output voltage is 50mV lower than the 2.85V main part; verify that your application tolerates this voltage difference. Input voltage maximum is 5.5V versus 6V for the main part; ensure your input supply does not exceed 5.5V. Package form factors are compatible (SOT-23-5 vs. SOT-25, both SC-74A/SOT-753). Enable control and over-current protection are present on both devices.

Q2: What are the advantages of S-1315A2J-M5T1U3 over the main part XC6501B28AMR-G?

A: The S-1315A2J-M5T1U3 offers three key advantages: (1) Improved voltage dropout of 0.28V at 200mA compared to 0.36V, reducing power dissipation and heat generation; (2) Significantly lower quiescent current of 1 µA versus 20 µA, beneficial for applications requiring minimal standby power consumption; (3) Exact output voltage match at 2.85V with identical 200mA current rating, eliminating voltage tolerance concerns. Operating temperature range and protection features are equivalent.

Q3: Are there package compatibility issues between SOT-25 and SOT-23-5?

A: Both packages use the same SC-74A and SOT-753 designations and are physically compatible for surface mount PCB assembly. Pin count and spacing are identical (5 pins). Footprint designs for SOT-25 are directly compatible with SOT-23-5 devices. No PCB redesign is required for substitution.

Q4: How does the extended temperature range of TLV70228 devices affect substitution suitability?

A: The TLV70228PDBVR and TLV70228PDBVT operate to 125°C junction temperature, compared to 85°C for the main part and S-1315A2J-M5T1U3. This extended range is beneficial for applications in high-temperature environments but is not required for designs limited to -40°C to 85°C operation. The extended range does not create incompatibility; it provides additional design flexibility for thermal margin.

Q5: What is the significance of the 68dB PSRR in TLV70228 devices versus 50dB in the main part?

A: Power Supply Rejection Ratio (PSRR) of 68dB indicates superior attenuation of input voltage ripple and noise compared to 50dB. This 18dB improvement (approximately 8x better noise rejection) is beneficial in applications with noisy power supplies or sensitive analog circuits. For applications with clean power supplies, the 50dB PSRR of the main part is typically adequate.

Q6: Does the Cut Tape (CT) packaging of S-1315A2J-M5T1U3 affect its suitability as a substitute?

A: Cut Tape packaging is suitable for manual assembly, small-batch production, or reel-fed automated assembly with appropriate handling. Tape & Reel (TR) packaging is optimized for high-volume automated assembly. Both packaging types contain identical components; the difference is in supply format. Select based on your assembly process requirements, not component functionality.

Q7: Are all substitute parts compliant with RoHS3 and REACH regulations?

A: Yes. All three substitute parts (TLV70228PDBVR, TLV70228PDBVT, and S-1315A2J-M5T1U3) are RoHS3 Compliant and REACH Unaffected, matching the compliance status of the main part XC6501B28AMR-G. All devices are suitable for applications requiring regulatory compliance in restricted substance directives.

Q8: Which substitute should be selected for maximum inventory availability?

A: TLV70228PDBVR offers the highest inventory at 26,100 units, followed by TLV70228PDBVT at 7,080 units. Both Texas Instruments devices provide significantly greater availability than the main part (953 units) or S-1315A2J-M5T1U3 (861 units). Select TLV70228PDBVR for applications where supply chain continuity and long-term availability are critical factors.

Q9: What is the primary difference between TLV70228PDBVR and TLV70228PDBVT?

A: Both devices are functionally identical with matching electrical specifications. The difference is in packaging format: PDBVR is Tape & Reel (TR) for high-volume automated assembly, while PDBVT is also Tape & Reel (TR). Both are suitable for equivalent applications; selection depends on inventory availability and supply chain preferences.

Q10: Can the main part XC6501B28AMR-G be substituted with any of these alternatives in a production design?

A: Yes, with design verification. All three substitute parts meet the functional requirements of the main part. Conduct electrical testing to verify output voltage tolerance, load regulation, and line regulation performance in your specific application circuit. Verify input voltage supply does not exceed 5.5V if using Texas Instruments devices. Confirm PCB assembly process compatibility with the selected package format. Validate thermal performance under maximum load conditions.