MAX730ACSA Equivalent & Substitute Parts

Part Overview

The MAX730ACSA is a buck switching regulator IC from Analog Devices Inc./Maxim Integrated, designed for step-down voltage conversion with a fixed 5V output and 450mA current capacity. This device operates across an input voltage range of 5.2V to 11V and is packaged in an 8-SOIC surface mount configuration with a switching frequency of 170kHz.

The MAX730ACSA is classified as obsolete, which necessitates identification of equivalent substitute components for new designs or production continuity. Active alternatives with identical electrical and mechanical specifications are available to ensure design compatibility and supply chain reliability.

Substiute Parts

MAX730ACSA

Analog Devices Inc./Maxim IntegratedIn Stock: 3407MAX730ACSA Datasheet

Current PartRFQ

MAX730ACSA+

Analog Devices Inc./Maxim IntegratedIn Stock: 16382MAX730ACSA+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX730ACSA is determined by strict equivalence across the following critical parameters:

• Topology & Function: Buck (step-down) converter with identical step-down conversion architecture
• Output Specification: Fixed 5V output with 450mA current capacity
• Input Voltage Range: 5.2V to 11V input compatibility
• Switching Frequency: 170kHz operation
• Package & Mounting: 8-SOIC surface mount package with 0.154" (3.90mm) width
• Electrical Configuration: Single positive output, non-synchronous rectifier design
• Operating Temperature: 0°C to 70°C ambient temperature range

The MAX730ACSA+ qualifies as a direct substitute based on complete alignment with all electrical and mechanical parameters. The primary distinction is product status and compliance certification.

Parameter Comparison

Engineering Selection Recommendations

The MAX730ACSA+ is the direct functional equivalent of the MAX730ACSA. Both devices share identical electrical specifications and package configurations, ensuring pin-for-pin and functional compatibility.

The MAX730ACSA+ is classified as an active product with current manufacturing support, whereas the MAX730ACSA is obsolete. The MAX730ACSA+ carries ROHS3 compliance certification, meeting modern regulatory requirements for new designs and production environments. The MAX730ACSA is RoHS non-compliant.

For applications requiring compliance with current environmental and regulatory standards, the MAX730ACSA+ is the appropriate selection. Both devices are suitable for identical circuit implementations without design modification.

Frequently Asked Questions (FAQ)

Q: Can the MAX730ACSA+ be used as a direct replacement for the MAX730ACSA?

A: Yes. The MAX730ACSA+ is electrically and mechanically identical to the MAX730ACSA. Both devices feature the same 5V fixed output, 450mA current capacity, 170kHz switching frequency, and 8-SOIC package configuration. No circuit redesign is required.

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

A: The MAX730ACSA is obsolete with RoHS non-compliant status. The MAX730ACSA+ is an active product with ROHS3 compliance certification. Both are functionally equivalent.

Q: Are there any package or pinout differences?

A: No. Both the MAX730ACSA and MAX730ACSA+ use the 8-SOIC (0.154", 3.90mm Width) surface mount package with identical pinout and mechanical dimensions.

Q: What input voltage range does this regulator support?

A: Both devices accept input voltages from 5.2V to 11V and deliver a fixed 5V output at up to 450mA.

Q: Is the switching frequency the same across both parts?

A: Yes. Both the MAX730ACSA and MAX730ACSA+ operate at a fixed switching frequency of 170kHz.

Q: What is the operating temperature range?

A: Both devices operate across an ambient temperature range of 0°C to 70°C (TA).