MAX5033DUSA-T Equivalent & Substitute Parts

Part Overview

The MAX5033DUSA-T is a Buck Switching Regulator IC manufactured by Analog Devices Inc./Maxim Integrated, designed for positive adjustable step-down voltage regulation with a 500mA output current capability. This component operates across a wide input voltage range of 7.5V to 76V and provides adjustable output voltage from 1.221V to 13.2V, making it suitable for diverse power management applications requiring compact surface-mount solutions.

The MAX5033DUSA-T is classified as Obsolete. Identifying equivalent substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this regulator.

Substiute Parts

MAX5033DUSA-T
Analog Devices Inc./Maxim IntegratedIn Stock: 799MAX5033DUSA-T Datasheet
MAX5033DUSA-T
Current Part
MAX5033DUSA+T
Analog Devices Inc./Maxim IntegratedIn Stock: 3518MAX5033DUSA+T Datasheet
MAX5033DUSA+T
Direct

Key Parameters

Parameter Value
Manufacturer Analog Devices Inc./Maxim Integrated
Category Power Management (PMIC)
Function Step-Down (Buck)
Output Configuration Positive
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 7.5V
Voltage - Input (Max) 76V
Voltage - Output (Min/Fixed) 1.221V
Voltage - Output (Max) 13.2V
Current - Output 500mA
Frequency - Switching 125kHz
Synchronous Rectifier No
Operating Temperature 0°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the MAX5033DUSA-T are identified based on strict electrical and mechanical parameter matching. The primary substitution criterion is the base product number MAX5033, which ensures identical functional characteristics and pin compatibility.

The key parameters that determine substitutability are:

  • Buck topology with positive adjustable output configuration
  • Single output with 500mA current rating
  • Input voltage range: 7.5V to 76V
  • Output voltage range: 1.221V to 13.2V
  • 125kHz switching frequency
  • 8-SOIC surface-mount package (0.154", 3.90mm Width)
  • Operating temperature range: 0°C ~ 85°C
  • No synchronous rectifier implementation

Substitute parts must maintain identical electrical specifications and package dimensions to ensure direct replacement capability without circuit redesign or PCB layout modifications.

Parameter Comparison

Parameter MAX5033DUSA-T (Main) MAX5033DUSA+T (Substitute)
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Base Product Number MAX5033 MAX5033
Function Step-Down (Buck) Step-Down (Buck)
Output Configuration Positive Adjustable Positive Adjustable
Number of Outputs 1 1
Voltage - Input (Min) 7.5V 7.5V
Voltage - Input (Max) 76V 76V
Voltage - Output (Min/Fixed) 1.221V 1.221V
Voltage - Output (Max) 13.2V 13.2V
Current - Output 500mA 500mA
Frequency - Switching 125kHz 125kHz
Synchronous Rectifier No No
Operating Temperature 0°C ~ 85°C (TA) 0°C ~ 85°C (TA)
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Product Status Obsolete Active
Packaging Type Tube Tape & Reel (TR)
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)

Engineering Selection Recommendations

The MAX5033DUSA+T is a direct functional equivalent to the MAX5033DUSA-T. Both parts share identical electrical specifications, pin configuration, and package dimensions. The primary distinction is product status: the MAX5033DUSA-T is Obsolete, while the MAX5033DUSA+T maintains Active status with current manufacturing support.

Both parts maintain ROHS3 compliance and identical moisture sensitivity ratings, ensuring equivalent environmental and regulatory compliance. The MAX5033DUSA+T is supplied in Tape & Reel packaging, which is standard for active production components and supports automated assembly processes.

For new designs or ongoing production requiring the MAX5033 buck regulator functionality, the MAX5033DUSA+T is the appropriate selection due to its active product status and continued availability.

Frequently Asked Questions (FAQ)

Q: Can the MAX5033DUSA+T directly replace the MAX5033DUSA-T without circuit modifications?

A: Yes. Both parts are identical in electrical specifications, pin configuration, and package dimensions. Direct substitution is possible without circuit redesign or PCB layout changes.

Q: What is the difference between the MAX5033DUSA-T and MAX5033DUSA+T part numbers?

A: The primary difference is packaging format. The MAX5033DUSA-T is supplied in Tube packaging, while the MAX5033DUSA+T is supplied in Tape & Reel (TR) format. Electrically and functionally, both parts are identical.

Q: Why is the MAX5033DUSA-T classified as Obsolete?

A: Obsolete status indicates that the manufacturer has discontinued production of this specific part number variant. The MAX5033DUSA+T remains in active production and is the recommended source for current supply.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts maintain identical RoHS3 compliance, REACH status, and Moisture Sensitivity Level (MSL) ratings.

Q: What is the 8-SOIC package specification?

A: The 8-SOIC (Small Outline Integrated Circuit) package measures 0.154 inches (3.90mm) in width and contains 8 pins in a surface-mount configuration. This package dimension is identical for both the main part and substitute.

Q: Can the MAX5033DUSA+T be used in automated assembly processes?

A: Yes. The Tape & Reel packaging format of the MAX5033DUSA+T is specifically designed for automated pick-and-place assembly equipment, making it suitable for high-volume production environments.

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