MIC5319-2.5BML-TR Equivalent & Substitute Parts

Part Overview

The MIC5319-2.5BML-TR is a linear voltage regulator IC from Microchip Technology designed for positive fixed output applications. This device delivers 500mA output current with a fixed 2.5V output and operates across an input voltage range up to 5.5V. The regulator features integrated over-current and over-temperature protection, making it suitable for low-power supply applications requiring stable voltage regulation.

The MIC5319-2.5BML-TR is currently discontinued at DiGi Electronics. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for applications utilizing this regulator.

Substiute Parts

MIC5319-2.5BML-TR
Microchip TechnologyIn Stock: 695MIC5319-2.5BML-TR Datasheet
MIC5319-2.5BML-TR
Current Part
MIC5319-2.5YML-TR
Microchip TechnologyIn Stock: 794MIC5319-2.5YML-TR Datasheet
MIC5319-2.5YML-TR
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Microchip Technology
Category Power Management (PMIC)
Output Configuration Positive
Output Type Fixed
Voltage - Output (Min/Fixed) 2.5V
Voltage - Input (Max) 5.5V
Current - Output 500mA
Voltage Dropout (Max) 0.4V @ 500mA
Current - Quiescent (Iq) 150 µA
PSRR 70dB ~ 60dB (1kHz ~ 10kHz)
Control Features Enable
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C
Package / Case 6-VDFN Exposed Pad, 6-TMLF®
Mounting Type Surface Mount

Substitute Part Grouping Explanation

Substitute parts for the MIC5319-2.5BML-TR are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Electrical Parameters (Must Match):

  • Output voltage: 2.5V fixed
  • Maximum output current: 500mA
  • Maximum input voltage: 5.5V
  • Voltage dropout: 0.4V @ 500mA
  • Quiescent current: 150 µA
  • PSRR: 70dB ~ 60dB (1kHz ~ 10kHz)
  • Control features: Enable function
  • Protection features: Over Current and Over Temperature protection
  • Operating temperature range: -40°C ~ 125°C

Mechanical Parameters (Must Match):

  • Package type: 6-TMLF® (2x2)
  • Mounting type: Surface Mount
  • Pin configuration: 6-pin

The MIC5319-2.5YML-TR qualifies as a parametric equivalent because it maintains identical electrical specifications and package configuration while differing only in packaging format (Cut Tape vs. Tape & Reel).

Parameter Comparison

Parameter MIC5319-2.5BML-TR MIC5319-2.5YML-TR
Manufacturer Microchip Technology Microchip Technology
Base Product Number MIC5319 MIC5319
Output Voltage (Fixed) 2.5V 2.5V
Maximum Input Voltage 5.5V 5.5V
Output Current 500mA 500mA
Voltage Dropout (Max) 0.4V @ 500mA 0.4V @ 500mA
Quiescent Current 150 µA 150 µA
PSRR 70dB ~ 60dB (1kHz ~ 10kHz) 70dB ~ 60dB (1kHz ~ 10kHz)
Control Features Enable Enable
Protection Features Over Current, Over Temperature Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C
Package / Case 6-VDFN Exposed Pad, 6-TMLF® 6-VDFN Exposed Pad, 6-TMLF®
Mounting Type Surface Mount Surface Mount
Packaging Format Tape & Reel (TR) Cut Tape (CT)
Product Status Discontinued at DiGi Electronics Active
RoHS Status RoHS non-compliant ROHS3 Compliant
MSL Rating 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected

Engineering Selection Recommendations

The MIC5319-2.5YML-TR serves as the direct substitute for the discontinued MIC5319-2.5BML-TR. Both parts share identical electrical performance and package specifications, ensuring functional compatibility in existing designs.

Product Status Consideration: The MIC5319-2.5YML-TR maintains active product status, providing long-term availability and supply chain stability compared to the discontinued MIC5319-2.5BML-TR.

Compliance Advantage: The MIC5319-2.5YML-TR achieves ROHS3 compliance, whereas the original part is RoHS non-compliant. This compliance improvement may be beneficial for applications subject to environmental regulations.

Packaging Format Difference: The primary distinction between these parts is the packaging format. The MIC5319-2.5BML-TR is supplied in Tape & Reel format, while the MIC5319-2.5YML-TR is supplied in Cut Tape format. Both formats are compatible with standard surface-mount assembly processes; selection depends on production volume and assembly equipment capabilities.

Frequently Asked Questions (FAQ)

Q: Are the MIC5319-2.5BML-TR and MIC5319-2.5YML-TR electrically identical?

A: Yes. Both parts deliver identical electrical performance across all specified parameters, including output voltage, current capacity, dropout voltage, quiescent current, PSRR, and protection features. They are functionally interchangeable in circuit applications.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) packaging supplies components on continuous tape wound on reels, suitable for high-volume automated assembly. Cut Tape (CT) packaging supplies components on tape segments cut to specific lengths, typically used for lower-volume orders or manual assembly. Both formats contain the same component in the same package.

Q: Can I use the MIC5319-2.5YML-TR as a direct replacement in my existing design?

A: Yes. The MIC5319-2.5YML-TR is a direct substitute. No circuit modifications, PCB layout changes, or firmware updates are required. Pin configuration, electrical performance, and mechanical dimensions are identical.

Q: Does the RoHS3 compliance of the MIC5319-2.5YML-TR affect compatibility?

A: No. RoHS3 compliance is an environmental and regulatory attribute that does not impact electrical or mechanical compatibility. The compliance improvement of the substitute part is beneficial for applications subject to environmental regulations.

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

A: No. Both parts share identical thermal characteristics, operating temperature range (-40°C ~ 125°C), and protection features (over-current and over-temperature). Reliability and thermal performance are equivalent.

Q: Which packaging format should I select for my application?

A: Selection depends on production volume and assembly capabilities. Tape & Reel format is optimized for high-volume automated assembly lines. Cut Tape format is suitable for lower-volume production or applications with manual assembly requirements. Electrical and mechanical performance are identical regardless of packaging format.

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