MIC2198YML-TR Equivalent & Substitute Parts

Part Overview

The MIC2198YML-TR is an active, production-status buck regulator controller IC from Microchip Technology, designed for positive output step-down DC-DC conversion applications. This 12-MLF surface mount device operates across a 4.5V to 32V supply range with integrated synchronous rectifier control and a 500kHz switching frequency. The part is ROHS3 compliant and maintains MSL-3 moisture sensitivity classification.

Substitute parts are identified when design requirements permit variation in switching frequency, duty cycle performance, or packaging format while maintaining core functional compatibility and electrical operating parameters.

Substiute Parts

MIC2198YML-TR

Microchip TechnologyIn Stock: 3004MIC2198YML-TR Datasheet

Current PartRFQ

MIC2199YML-TR

Microchip TechnologyIn Stock: 5896MIC2199YML-TR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The MIC2199YML-TR qualifies as a parametric equivalent based on the following substitution criteria:

Maintained Parameters (Identical):

• Manufacturer: Microchip Technology
• Topology: Buck step-down regulator controller
• Output type: Transistor driver with positive output configuration
• Supply voltage range: 4.5V ~ 32V
• Synchronous rectifier: Enabled
• Package: 12-MLF® (4x4) surface mount
• Operating temperature: -40°C ~ 125°C
• Compliance: ROHS3, MSL-3, REACH Unaffected

Variable Parameters (Allowed Substitution Range):

• Switching frequency: 500kHz (MIC2198) vs. 300kHz (MIC2199)
• Maximum duty cycle: 76% (MIC2198) vs. 85% (MIC2199)
• Packaging format: Cut Tape (MIC2198) vs. Tape & Reel (MIC2199)

Substitution is valid when application design permits operation at the lower switching frequency and higher duty cycle of the MIC2199YML-TR, and when tape & reel packaging is acceptable for procurement and assembly workflows.

Parameter Comparison

Engineering Selection Recommendations

Both MIC2198YML-TR and MIC2199YML-TR are active production parts with identical ROHS3 compliance, MSL-3 moisture sensitivity ratings, and REACH unaffected status. Selection between these parts depends on application-specific requirements:

Select MIC2198YML-TR when:

• Higher switching frequency (500kHz) is required for reduced output filter size and improved transient response
• Lower maximum duty cycle (76%) aligns with application input-to-output voltage ratios
• Cut tape packaging format is preferred for assembly operations

Select MIC2199YML-TR when:

• Lower switching frequency (300kHz) is acceptable or beneficial for reduced switching losses
• Higher maximum duty cycle (85%) accommodates lower input-to-output voltage conversion ratios
• Tape & reel packaging format is required for high-volume automated assembly
• Inventory availability or lead time considerations favor the substitute part

Both parts maintain identical electrical operating ranges, thermal specifications, and regulatory compliance profiles, ensuring functional interchangeability within the specified parameter constraints.

Frequently Asked Questions (FAQ)

Q: Can MIC2199YML-TR be used as a direct replacement for MIC2198YML-TR in existing designs?

A: Direct replacement is possible only if the application design permits operation at 300kHz switching frequency and 85% maximum duty cycle. PCB layout and external component values (inductors, capacitors, resistors) may require adjustment to accommodate the lower switching frequency. Verify that the lower frequency does not introduce unacceptable output ripple or EMI characteristics for your application.

Q: What is the primary difference between these two parts?

A: The MIC2199YML-TR operates at 300kHz switching frequency with 85% maximum duty cycle, while the MIC2198YML-TR operates at 500kHz with 76% maximum duty cycle. The higher frequency of the MIC2198 allows for smaller external filter components but may increase switching losses. The MIC2199 provides higher duty cycle capability for applications requiring lower output voltage relative to input voltage.

Q: Are the pinouts identical between MIC2198YML-TR and MIC2199YML-TR?

A: Both parts use the 12-MLF® (4x4) package with identical pinout configuration. PCB footprints are directly compatible without modification.

Q: What is the difference between Cut Tape (CT) and Tape & Reel (TR) packaging?

A: Cut Tape packaging is supplied in individual strips cut to specified lengths, suitable for small-quantity orders and manual assembly. Tape & Reel packaging supplies components on continuous reels, optimized for high-volume automated pick-and-place assembly operations. Both formats contain identical components; packaging format selection depends on production volume and assembly methodology.

Q: Do both parts meet the same compliance and regulatory requirements?

A: Yes. Both MIC2198YML-TR and MIC2199YML-TR are ROHS3 compliant, REACH unaffected, and carry identical MSL-3 moisture sensitivity ratings with 168-hour classification. Both are active production parts from Microchip Technology with no planned obsolescence.