TC1301A-APAVUATR Equivalent & Substitute Parts

Part Overview

The TC1301A-APAVUATR is a linear voltage regulator IC from Microchip Technology designed for power management applications. This dual-output positive fixed regulator operates with input voltages up to 6V and delivers 300mA and 150mA outputs at fixed voltage levels of 3.3V, 1.8V, or 2.63V. The device is currently in active production status and is widely stocked, with 10,139 pieces available in inventory. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter ranges for this product category.

Substiute Parts

TC1301A-APAVUATR

Microchip TechnologyIn Stock: 10209TC1301A-APAVUATR Datasheet

Current PartRFQ

MIC5357-SGYMME

Microchip TechnologyIn Stock: 2969MIC5357-SGYMME Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TC1301A-APAVUATR is determined by the following critical parameters:

• Dual-output positive fixed voltage regulator configuration
• Compatible output voltage levels (3.3V and 1.8V minimum requirement)
• Surface mount 8-MSOP package with 0.118" (3.00mm) width
• Operating temperature range of -40°C to 125°C
• Active product status with current manufacturing support
• ROHS3 compliance and equivalent regulatory certifications

The MIC5357-SGYMME qualifies as a substitute based on these criteria. Both devices share the same package footprint, dual-output architecture, and overlapping voltage specifications. Differences in maximum input voltage, dropout voltage characteristics, and output current ratings must be evaluated against specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

Both the TC1301A-APAVUATR and MIC5357-SGYMME are active products manufactured by Microchip Technology with ROHS3 compliance and REACH unaffected status. Selection between these devices depends on application-specific requirements:

The TC1301A-APAVUATR supports a maximum input voltage of 6V with lower dropout voltage (0.18V @ 300mA) and includes reset functionality. This configuration is suitable for applications requiring higher input voltage tolerance and precise reset control.

The MIC5357-SGYMME operates with a maximum input voltage of 5.5V but provides higher output current capability (500mA per output) and includes an exposed pad for improved thermal management. This device is appropriate for applications demanding higher current delivery and enhanced heat dissipation.

Both devices maintain identical operating temperature ranges and share compatible package footprints, enabling direct PCB layout compatibility when electrical specifications align with application requirements.

Frequently Asked Questions (FAQ)

Q: Can the MIC5357-SGYMME directly replace the TC1301A-APAVUATR on existing PCBs?

A: Physical package compatibility exists due to identical 8-MSOP footprints with 0.118" (3.00mm) width. However, electrical differences must be evaluated: the MIC5357-SGYMME has a lower maximum input voltage (5.5V vs. 6V) and lacks the reset function present in the TC1301A-APAVUATR. Verify that your application input voltage does not exceed 5.5V and that reset functionality is not required before substitution.

Q: What is the significance of the exposed pad on the MIC5357-SGYMME package?

A: The exposed pad (8-MSOP-EP variant) provides direct thermal contact to the PCB, improving heat dissipation. This feature supports the higher output current ratings (500mA per output) compared to the TC1301A-APAVUATR (300mA, 150mA). Applications with higher thermal loads benefit from this design.

Q: Are both devices suitable for the same output voltage levels?

A: Both devices support 1.8V and 3.3V outputs. The TC1301A-APAVUATR additionally offers a 2.63V option. Confirm that your application requires only 1.8V and 3.3V outputs before selecting the MIC5357-SGYMME as a substitute.

Q: What are the quiescent current differences between these devices?

A: The TC1301A-APAVUATR draws 180 µA quiescent current, while the MIC5357-SGYMME draws 175 µA. This 5 µA difference is negligible for most applications and does not represent a significant factor in substitution decisions.

Q: How do dropout voltage specifications affect device selection?

A: The TC1301A-APAVUATR exhibits 0.18V dropout at 300mA, while the MIC5357-SGYMME exhibits 0.3V dropout at 500mA. Lower dropout voltage in the TC1301A-APAVUATR is advantageous in applications with limited input voltage headroom. The MIC5357-SGYMME's higher dropout is acceptable in systems with adequate input voltage margin.

Q: Does the absence of reset functionality in the MIC5357-SGYMME affect substitution?

A: The TC1301A-APAVUATR includes reset control features not present in the MIC5357-SGYMME. If your application circuit relies on reset signaling for system initialization or fault recovery, the MIC5357-SGYMME cannot serve as a direct substitute without circuit redesign.