TC110331ECTTR Equivalent & Substitute Parts

Part Overview

The TC110331ECTTR is a boost regulator positive output step-up DC-DC controller IC manufactured by Microchip Technology. This transistor driver operates as a step-up topology power management IC in a SOT-23-5 surface mount package. The device is currently in active product status with 942 units in stock.

Finding equivalent and substitute parts becomes necessary when the primary part reaches end-of-life, experiences supply constraints, or when design requirements necessitate alternative sourcing options. The TC110331ECTTR has documented manufacturer-recommended substitutes that maintain functional compatibility within specified electrical and mechanical parameters.

Substiute Parts

TC110331ECTTR

Microchip TechnologyIn Stock: 1005TC110331ECTTR Datasheet

Current PartRFQ

S-8356M33MC-MEST2G

ABLIC Inc.In Stock: 9856S-8356M33MC-MEST2G Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TC110331ECTTR is determined by strict alignment of the following critical parameters:

Functional Parameters:

• Output Type: Transistor Driver
• Function: Step-Up
• Output Configuration: Positive
• Topology: Boost
• Number of Outputs: 1
• Output Phases: 1

Electrical Parameters:

• Voltage - Supply (Vcc/Vdd): Must support the 2V ~ 10V range or a compatible subset
• Frequency - Switching: Must operate within or encompass the 100kHz ~ 300kHz range
• Duty Cycle (Max): Must support at least 92% or higher
• Operating Temperature: Must support -40°C ~ 85°C (TA) range

Mechanical & Compliance Parameters:

• Package / Case: SC-74A, SOT-753
• Supplier Device Package: SOT-23-5
• Mounting Type: Surface Mount
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

The substitute part S-8356M33MC-MEST2G from ABLIC Inc. meets these criteria with compatible electrical specifications and identical package configuration.

Parameter Comparison

Engineering Selection Recommendations

The S-8356M33MC-MEST2G from ABLIC Inc. is the manufacturer-recommended substitute for the TC110331ECTTR. Both devices are ROHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity ratings, meeting equivalent environmental and regulatory requirements.

The TC110331ECTTR maintains active product status, indicating ongoing manufacturer support and availability. The S-8356M33MC-MEST2G carries a "Not For New Designs" status, indicating it is suitable for replacement and legacy applications but not recommended for new product development.

Key electrical differences exist in duty cycle maximum (92% vs. 85%) and switching frequency specification (100kHz ~ 300kHz vs. fixed 300kHz). These differences must be evaluated against specific circuit requirements before substitution.

Frequently Asked Questions (FAQ)

Q: Can the S-8356M33MC-MEST2G directly replace the TC110331ECTTR in existing designs?

A: Both devices share identical package configuration (SOT-23-5), mounting type (surface mount), and functional topology (boost regulator with positive output). Electrical compatibility depends on circuit-specific requirements, particularly regarding the maximum duty cycle specification (92% for TC110331ECTTR vs. 85% for S-8356M33MC-MEST2G) and switching frequency operation.

Q: What are the key electrical differences between these parts?

A: The TC110331ECTTR operates with a supply voltage range of 2V ~ 10V and switching frequency of 100kHz ~ 300kHz with a maximum duty cycle of 92%. The S-8356M33MC-MEST2G operates with a supply voltage range of 0.9V ~ 10V, fixed switching frequency of 300kHz, and maximum duty cycle of 85%. Both support identical operating temperature range (-40°C ~ 85°C).

Q: Are there package compatibility concerns?

A: No. Both the TC110331ECTTR and S-8356M33MC-MEST2G use the SC-74A, SOT-753 package with SOT-23-5 supplier device package designation. Surface mount assembly processes are identical for both parts.

Q: What is the significance of the product status difference?

A: The TC110331ECTTR is in active product status, indicating current manufacturer support and ongoing availability. The S-8356M33MC-MEST2G is marked "Not For New Designs," indicating it is available for replacement and legacy applications but ABLIC Inc. does not recommend it for new product development.

Q: Are compliance certifications equivalent?

A: Yes. Both parts are ROHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity ratings. Both are REACH unaffected and classified under ECCN EAR99 for export purposes.