MAX1775EEE+ Equivalent & Substitute Parts

Part Overview

The MAX1775EEE+ is a buck regulator positive output step-down DC-DC controller IC manufactured by Analog Devices Inc./Maxim Integrated. This surface mount power management IC operates as a transistor driver with a single output phase configuration, supporting dual outputs through external circuitry. The device is actively produced and widely used in applications requiring efficient step-down voltage conversion with supply voltages ranging from 2.7V to 28V. Finding equivalent parts is necessary when addressing supply chain constraints, lead time requirements, or specific inventory availability while maintaining identical electrical and mechanical performance.

Substiute Parts

MAX1775EEE+
Analog Devices Inc./Maxim IntegratedIn Stock: 870MAX1775EEE+ Datasheet
MAX1775EEE+
Current Part
MAX1775EEE+
Analog Devices Inc./Maxim IntegratedIn Stock: 870MAX1775EEE+ Datasheet
MAX1775EEE+
Direct

Key Parameters

Parameter Specification
Manufacturer Part Number MAX1775EEE+
Manufacturer Analog Devices Inc./Maxim Integrated
Category Power Management (PMIC)
Function Step-Down Buck Regulator Controller
Output Type Transistor Driver
Output Configuration Positive
Number of Outputs 2
Output Phases 1
Voltage Supply Range (Vcc/Vdd) 2.7V ~ 28V
Switching Frequency Up to 1.25MHz
Duty Cycle (Maximum) 100%
Synchronous Rectifier Yes
Control Features Enable
Operating Temperature Range -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 16-SSOP (0.154", 3.90mm Width)
Supplier Device Package 16-QSOP
Product Status Active
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected

Substitute Part Grouping Explanation

Substitution of the MAX1775EEE+ is determined by strict equivalence across the following critical parameters:

  • Topology & Function: Buck regulator controller with step-down positive output configuration
  • Electrical Specifications: Supply voltage range 2.7V ~ 28V, switching frequency up to 1.25MHz, 100% maximum duty cycle, dual outputs with single phase
  • Output Characteristics: Transistor driver output type with synchronous rectifier capability and enable control feature
  • Package Compatibility: 16-SSOP (16-QSOP) surface mount package with 0.154" width (3.90mm)
  • Operating Conditions: Temperature range -40°C ~ 85°C
  • Compliance & Certifications: ROHS3 compliant, REACH unaffected, MSL 1 rating

Only parts meeting all these criteria across electrical performance, package form factor, and regulatory compliance qualify as direct substitutes.

Parameter Comparison

Parameter MAX1775EEE+ (Main Part) MAX1775EEE+ (Direct Equivalent)
Manufacturer Part Number MAX1775EEE+ MAX1775EEE+
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Function Step-Down Buck Regulator Controller Step-Down Buck Regulator Controller
Output Type Transistor Driver Transistor Driver
Voltage Supply Range 2.7V ~ 28V 2.7V ~ 28V
Switching Frequency Up to 1.25MHz Up to 1.25MHz
Duty Cycle (Maximum) 100% 100%
Synchronous Rectifier Yes Yes
Package / Case 16-SSOP (0.154", 3.90mm Width) 16-SSOP (0.154", 3.90mm Width)
Operating Temperature Range -40°C ~ 85°C -40°C ~ 85°C
RoHS Status ROHS3 Compliant ROHS3 Compliant
Product Status Active Active

Engineering Selection Recommendations

The MAX1775EEE+ is an active product with full ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for current and future applications. The device carries MSL 1 moisture sensitivity rating, indicating unlimited shelf life without special storage requirements. Selection of equivalent parts should prioritize active product status and matching compliance certifications to ensure long-term supply chain viability and regulatory consistency. The 16-SSOP package form factor and electrical specifications are standardized across qualified equivalents, enabling direct PCB-level substitution without design modification.

Frequently Asked Questions (FAQ)

Q: What makes a part a direct substitute for the MAX1775EEE+?

A: A direct substitute must match all critical parameters: buck regulator topology with step-down positive output, 2.7V ~ 28V supply range, up to 1.25MHz switching frequency, 100% duty cycle capability, dual outputs with single phase, transistor driver output type, synchronous rectifier, 16-SSOP package, -40°C ~ 85°C operating temperature, and ROHS3 compliance.

Q: Can the MAX1775EEE+ be replaced with a different package variant?

A: No. The 16-SSOP (16-QSOP) package with 0.154" width is a critical specification. Different package variants are not interchangeable without PCB redesign and re-qualification.

Q: Is the MAX1775EEE+ suitable for new designs?

A: Yes. The device maintains active product status with full regulatory compliance (ROHS3, REACH unaffected), making it appropriate for both new designs and legacy system support.

Q: What is the significance of the MSL 1 rating?

A: MSL 1 indicates unlimited moisture sensitivity level, meaning the component requires no special moisture control during storage, handling, or assembly. Standard warehouse conditions are sufficient.

Q: Are there any supply chain considerations for this part?

A: Current inventory shows 782 pieces in stock as new original components. Availability may vary by distributor and time period. Verify current stock status with authorized suppliers before finalizing procurement decisions.

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