MIC5156-3.3BN Equivalent & Substitute Parts

Part Overview

The MIC5156-3.3BN is a Linear Regulator Controller IC from Microchip Technology, designed for positive fixed output regulation with a single output configuration. This component operates across a wide input voltage range of 3V to 36V and is housed in an 8-PDIP through-hole package.

The MIC5156-3.3BN carries an Obsolete product status. Locating equivalent substitute parts is necessary to maintain design continuity and ensure component availability for new production runs, repairs, and system upgrades where this controller remains functionally appropriate.

Substiute Parts

MIC5156-3.3BN

Microchip TechnologyIn Stock: 1192MIC5156-3.3BN Datasheet

Current PartRFQ

MIC5156-3.3YN

Microchip TechnologyIn Stock: 1155MIC5156-3.3YN Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MIC5156-3.3BN is determined by strict alignment across the following critical parameters:

• Functional Type: Positive Fixed linear regulator controller
• Output Configuration: Single output
• Input Voltage Range: 3V ~ 36V
• Supply Current: 2.7mA
• Operating Temperature Range: -40°C ~ 85°C
• Mounting Technology: Through Hole
• Package Form Factor: 8-DIP (0.300", 7.62mm)
• Supplier Device Package: 8-PDIP

The MIC5156-3.3YN meets all substitution criteria, maintaining identical electrical specifications and mechanical compatibility while offering improved product status and compliance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The MIC5156-3.3YN is the direct substitute for the obsolete MIC5156-3.3BN. Both components share identical electrical and mechanical specifications, ensuring functional equivalence in circuit applications.

The MIC5156-3.3YN offers two significant advantages over the MIC5156-3.3BN:

• Product Status: Active availability ensures long-term supply chain reliability and continued manufacturer support.
• Compliance: ROHS3 compliance status meets current environmental and regulatory requirements, whereas the MIC5156-3.3BN is RoHS non-compliant.

Selection of the MIC5156-3.3YN is appropriate for all applications where the MIC5156-3.3BN was previously specified, with no circuit modifications required.

Frequently Asked Questions (FAQ)

Q: Can the MIC5156-3.3YN be used as a direct replacement for the MIC5156-3.3BN?

A: Yes. The MIC5156-3.3YN is a direct substitute. Both components are identical in electrical performance, output configuration, input voltage range, supply current, operating temperature range, and physical package dimensions. No circuit redesign is necessary.

Q: What is the difference between the MIC5156-3.3BN and MIC5156-3.3YN?

A: The primary differences are product status and compliance. The MIC5156-3.3BN is obsolete and RoHS non-compliant. The MIC5156-3.3YN is active and ROHS3 compliant. Packaging format also differs: the MIC5156-3.3BN is supplied in bulk, while the MIC5156-3.3YN is supplied in tube format.

Q: Are there any pin configuration differences between these parts?

A: No. Both components use the 8-PDIP package with identical pin assignments and mechanical footprints. PCB layouts and socket compatibility are fully preserved.

Q: Why is the MIC5156-3.3BN marked as obsolete?

A: Obsolescence indicates that Microchip Technology has discontinued active production and support for this part number. The MIC5156-3.3YN represents the current active equivalent.

Q: What is the operating temperature range for both parts?

A: Both the MIC5156-3.3BN and MIC5156-3.3YN operate across -40°C to 85°C, supporting industrial and commercial temperature environments.

Q: Can these components handle the full 3V to 36V input voltage range?

A: Yes. Both parts are rated for input voltages from 3V to 36V, providing flexibility across diverse power supply configurations.