TLE42644GHTSA3 Equivalent & Substitute Parts

Part Overview

The TLE42644GHTSA3 is a linear voltage regulator IC from Infineon Technologies' OPTIREG™ series, designed for positive fixed 5V output applications with 100mA current capacity. This automotive-grade component operates across an extended temperature range of -40°C to 150°C and includes comprehensive protection features including over-current, over-temperature, reverse polarity, and short-circuit protection. The part maintains Active product status with AEC-Q100 qualification, making it suitable for automotive and industrial applications requiring reliable voltage regulation in compact form factors.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across critical parameters including output voltage, current rating, dropout voltage, protection features, and package specifications.

Substiute Parts

TLE42644GHTSA3

Infineon TechnologiesIn Stock: 380168TLE42644GHTSA3 Datasheet

Current PartRFQ

TLE42644GHTMA1

Infineon TechnologiesIn Stock: 4368TLE42644GHTMA1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TLE42644GHTSA3 is determined by strict equivalence across the following critical parameters:

• Output voltage configuration: 5V fixed positive output
• Output current capacity: 100mA
• Maximum input voltage: 40V
• Dropout voltage specification: 0.5V @ 100mA
• Package type: PG-SOT223-4 (TO-261-4, TO-261AA)
• Surface mount compatibility
• Protection features: Over-current, over-temperature, reverse polarity, short-circuit
• Operating temperature range: -40°C ~ 150°C
• Automotive grade with AEC-Q100 qualification
• RoHS3 compliance

The TLE42644GHTMA1 meets all substitution criteria as a parametric equivalent within the same manufacturer family, maintaining identical electrical specifications and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both the TLE42644GHTSA3 and TLE42644GHTMA1 maintain Active product status with full AEC-Q100 automotive qualification and ROHS3 compliance. Selection between these parts is based on inventory availability and application-specific quiescent current requirements. The TLE42644GHTSA3 operates at 60 µA quiescent current, while the TLE42644GHTMA1 operates at 70 µA. For applications where standby power consumption is critical, the lower quiescent current specification of the TLE42644GHTSA3 may be preferred. Both parts are mechanically and electrically interchangeable within the specified parameters.

Frequently Asked Questions (FAQ)

Q: Can TLE42644GHTMA1 be used as a direct replacement for TLE42644GHTSA3?

A: Yes. Both parts share identical output voltage (5V), output current (100mA), input voltage rating (40V), dropout voltage (0.5V @ 100mA), package type (PG-SOT223-4), operating temperature range (-40°C ~ 150°C), and protection features. The primary difference is quiescent current specification (70 µA vs. 60 µA).

Q: What is the significance of the quiescent current difference?

A: Quiescent current represents the IC's internal power consumption when regulating but delivering minimal load current. The 10 µA difference between parts is negligible in most applications but may be relevant in ultra-low-power standby scenarios.

Q: Are both parts suitable for automotive applications?

A: Yes. Both the TLE42644GHTSA3 and TLE42644GHTMA1 carry automotive grade designation with AEC-Q100 qualification, meeting automotive industry reliability and quality standards.

Q: Is the package compatibility identical?

A: Yes. Both parts use the PG-SOT223-4 package (TO-261-4, TO-261AA), ensuring identical PCB footprint and mounting requirements.

Q: Do both parts meet current environmental compliance standards?

A: Yes. Both parts are ROHS3 compliant and REACH unaffected, meeting current environmental regulations for electronic components.