MAX686EEE Equivalent & Substitute Parts

Part Overview

The MAX686EEE is a boost switching regulator IC from Analog Devices Inc./Maxim Integrated, classified as a Power Management (PMIC) component. This device functions as a step-up converter capable of generating positive or negative adjustable output voltages from ±1.25V to ±27.5V with a maximum output current of 600mA. The MAX686EEE operates at a switching frequency of 300kHz and supports input voltages ranging from 0.8V to 27.5V.

The MAX686EEE is currently listed as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this regulator topology.

Substiute Parts

MAX686EEE
Analog Devices Inc./Maxim IntegratedIn Stock: 3479MAX686EEE Datasheet
MAX686EEE
Current Part
MAX686EEE+
Analog Devices Inc./Maxim IntegratedIn Stock: 3466MAX686EEE+ Datasheet
MAX686EEE+
Direct

Key Parameters

Parameter Value
Function Step-Up (Boost)
Output Configuration Positive or Negative
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 0.8V
Voltage - Input (Max) 27.5V
Voltage - Output (Min/Fixed) ±1.25V
Voltage - Output (Max) ±27.5V
Current - Output 600mA (Switch)
Frequency - Switching 300kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 16-SSOP (0.154", 3.90mm Width)
Supplier Device Package 16-QSOP

Substitute Part Grouping Explanation

Substitution eligibility for the MAX686EEE is determined by strict equivalence across the following critical parameters:

  • Function and topology (step-up boost converter)
  • Output configuration (positive or negative adjustable)
  • Voltage input and output ranges (0.8V to 27.5V input; ±1.25V to ±27.5V output)
  • Output current capability (600mA switch current)
  • Switching frequency (300kHz)
  • Operating temperature range (-40°C ~ 85°C)
  • Package type and pinout (16-SSOP/16-QSOP)
  • Absence of synchronous rectifier

The MAX686EEE+ meets all substitution criteria as a direct equivalent, differing only in product status (active vs. obsolete) and packaging format (tube vs. standard), with improved RoHS3 compliance.

Parameter Comparison

Parameter MAX686EEE MAX686EEE+
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Function Step-Up Step-Up
Output Configuration Positive or Negative Positive or Negative
Output Type Adjustable Adjustable
Number of Outputs 1 1
Voltage - Input (Min) 0.8V 0.8V
Voltage - Input (Max) 27.5V 27.5V
Voltage - Output (Min/Fixed) ±1.25V ±1.25V
Voltage - Output (Max) ±27.5V ±27.5V
Current - Output 600mA (Switch) 600mA (Switch)
Frequency - Switching 300kHz 300kHz
Synchronous Rectifier No No
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount
Package / Case 16-SSOP (0.154", 3.90mm Width) 16-SSOP (0.154", 3.90mm Width)
Supplier Device Package 16-QSOP 16-QSOP
Product Status Obsolete Active
RoHS Status RoHS non-compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected

Engineering Selection Recommendations

The MAX686EEE+ is the direct substitute for the MAX686EEE. Both parts share identical electrical specifications, thermal operating range, and package configuration. The primary distinction is product lifecycle status: the MAX686EEE is obsolete, while the MAX686EEE+ maintains active production status.

The MAX686EEE+ provides improved regulatory compliance through ROHS3 certification, whereas the original MAX686EEE is RoHS non-compliant. For new designs or ongoing production requiring regulatory compliance, the MAX686EEE+ is the appropriate selection. Both parts maintain equivalent moisture sensitivity levels and REACH status.

Frequently Asked Questions (FAQ)

Q: Can MAX686EEE+ be used as a direct replacement for MAX686EEE in existing designs?

A: Yes. The MAX686EEE+ is electrically and mechanically equivalent to the MAX686EEE. Both devices feature identical boost converter topology, voltage ranges (0.8V to 27.5V input; ±1.25V to ±27.5V output), 600mA output current, 300kHz switching frequency, and 16-SSOP package configuration. No circuit modifications are required.

Q: What is the difference between MAX686EEE and MAX686EEE+?

A: The primary differences are product status and RoHS compliance. The MAX686EEE is obsolete and RoHS non-compliant. The MAX686EEE+ is in active production and ROHS3 compliant. Packaging format differs (standard vs. tube), but electrical and thermal specifications are identical.

Q: Are there any package or pinout differences between these parts?

A: No. Both the MAX686EEE and MAX686EEE+ use the 16-SSOP (0.154", 3.90mm Width) package with identical pinout and footprint. PCB layout and component placement require no modification.

Q: Which part should be selected for new production?

A: The MAX686EEE+ should be selected for new production due to active product status and ROHS3 compliance. The MAX686EEE is obsolete and should not be specified for new designs.

Q: Do both parts support the same input and output voltage ranges?

A: Yes. Both parts support input voltages from 0.8V to 27.5V and adjustable output voltages from ±1.25V to ±27.5V. Operating temperature range is identical at -40°C to 85°C.

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