MIC5319-5.0BML-TR Equivalent & Substitute Parts

Part Overview

The MIC5319-5.0BML-TR is a linear voltage regulator IC from Microchip Technology designed for positive fixed 5V output applications with 500mA current capacity. This device operates in the Power Management (PMIC) category and is packaged in a 6-TMLF® (2x2) surface mount configuration with an exposed pad for enhanced thermal performance.

The MIC5319-5.0BML-TR has been discontinued at DiGi Electronics. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this regulator.

Substiute Parts

MIC5319-5.0BML-TR

Microchip TechnologyIn Stock: 895MIC5319-5.0BML-TR Datasheet

Current PartRFQ

MIC5319-5.0YML-TR

Microchip TechnologyIn Stock: 4364MIC5319-5.0YML-TR Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MIC5319-5.0BML-TR is determined by strict equivalence across the following critical parameters:

• Output voltage specification: 5V fixed output
• Output current capacity: 500mA
• Input voltage maximum rating: 5.5V
• Dropout voltage: 0.4V @ 500mA
• Package type: 6-TMLF® (2x2) with exposed pad
• Surface mount configuration
• Control and protection feature set: Enable control with Over Current and Over Temperature protection
• Operating temperature range: -40°C ~ 125°C
• Quiescent current: 150 µA
• PSRR performance: 70dB ~ 60dB (1kHz ~ 10kHz)

The MIC5319-5.0YML-TR qualifies as a direct substitute based on identical electrical specifications, package configuration, and functional characteristics across all parameters listed above.

Parameter Comparison

Engineering Selection Recommendations

The MIC5319-5.0YML-TR is the direct equivalent substitute for the MIC5319-5.0BML-TR. Both parts share identical electrical and mechanical specifications, ensuring functional compatibility in all applications.

The primary distinction between these parts is product status and regulatory compliance. The MIC5319-5.0BML-TR is discontinued, while the MIC5319-5.0YML-TR maintains active product status with current availability. Additionally, the MIC5319-5.0YML-TR carries ROHS3 compliance certification, whereas the original part is RoHS non-compliant. Both parts maintain REACH Unaffected status and EAR99 export classification.

For new designs or ongoing production requiring 5V/500mA linear regulation in a 6-TMLF® package, the MIC5319-5.0YML-TR is the appropriate selection based on availability and regulatory alignment.

Frequently Asked Questions (FAQ)

Q: Can the MIC5319-5.0YML-TR be used as a direct replacement for the MIC5319-5.0BML-TR?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including output voltage, current capacity, dropout voltage, package configuration, and protection features. No circuit modifications are required.

Q: What is the difference between the BML and YML package designations?

A: The BML and YML designations indicate different manufacturing batches or tape reel configurations from Microchip Technology. Both use the identical 6-TMLF® (2x2) package with exposed pad. The electrical and mechanical specifications are equivalent.

Q: Does the RoHS compliance difference affect substitution?

A: The MIC5319-5.0YML-TR is ROHS3 compliant while the original part is RoHS non-compliant. For applications subject to RoHS regulations or customer requirements, the YML variant is the appropriate choice. For legacy systems without RoHS mandates, both parts function identically.

Q: Are there any thermal or performance differences between these parts?

A: No. Both parts share identical thermal characteristics, quiescent current, PSRR performance, and operating temperature range. Thermal performance is determined by the exposed pad design, which is identical in both variants.

Q: What is the current availability status of these parts?

A: The MIC5319-5.0BML-TR is discontinued. The MIC5319-5.0YML-TR is actively produced and maintained in inventory, with 4338 units currently available.