MAX1853EXT+ Equivalent & Substitute Parts

Part Overview

The MAX1853EXT+ is a charge pump switching regulator IC manufactured by Analog Devices Inc./Maxim Integrated. This power management IC generates positive or negative fixed output voltages (-Vin or 2Vin) from a single input supply, delivering up to 30mA output current. The device operates across an input voltage range of 2.5V to 5.5V with a switching frequency of 200kHz. Currently in active product status with ROHS3 compliance and unlimited moisture sensitivity rating, the MAX1853EXT+ is suitable for applications requiring compact voltage inversion or doubling in space-constrained designs. Alternative part sourcing becomes necessary due to inventory availability, procurement lead times, or packaging format requirements across different supply channels.

Substiute Parts

MAX1853EXT+

Analog Devices Inc./Maxim IntegratedIn Stock: 1187MAX1853EXT+ Datasheet

Current PartRFQ

MAX1853EXT+

Analog Devices Inc./Maxim IntegratedIn Stock: 1187MAX1853EXT+ Datasheet

DirectRFQ

MAX1853EXT+T

Analog Devices Inc./Maxim IntegratedIn Stock: 1749MAX1853EXT+T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX1853EXT+ is determined by strict equivalence across the following critical parameters:

• Manufacturer & Base Product: Both the main part and substitute must originate from Analog Devices Inc./Maxim Integrated and share the MAX1853 base product number
• Topology & Function: Charge pump topology with ratiometric function for positive or negative fixed output generation
• Electrical Specifications: Input voltage range (2.5V–5.5V), output current (30mA), switching frequency (200kHz), and output voltage configuration (-Vin, 2Vin) must remain identical
• Package & Pinout: 6-TSSOP, SC-88, SOT-363 package designation with SC-70-6 supplier device package ensures mechanical and electrical compatibility
• Operating Conditions: Temperature range (-40°C to 85°C) and synchronous rectifier configuration (No) must match
• Compliance: RoHS3 compliance and MSL Level 1 rating must be maintained

Substitutes are grouped based on packaging format variations (tape and reel configurations) while maintaining identical electrical and thermal performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

Both MAX1853EXT+ and MAX1853EXT+T are active products from Analog Devices Inc./Maxim Integrated with identical electrical, thermal, and mechanical specifications. Selection between these parts is determined by procurement and assembly requirements rather than functional performance:

• MAX1853EXT+: Standard packaging format suitable for general procurement channels and inventory management
• MAX1853EXT+T: Cut Tape (CT) and Digi-Reel® packaging format optimized for automated pick-and-place assembly operations and high-volume production environments

Both variants maintain ROHS3 compliance and unlimited moisture sensitivity rating (MSL Level 1), ensuring compatibility with standard manufacturing and storage conditions. The choice between variants does not affect circuit performance, thermal characteristics, or reliability in the specified operating temperature range of -40°C to 85°C.

Frequently Asked Questions (FAQ)

Q: Can MAX1853EXT+T be used as a direct replacement for MAX1853EXT+ in existing designs?

A: Yes. Both parts are electrically and mechanically identical. The only difference is packaging format (tape and reel versus standard). PCB layout, schematic design, and circuit performance remain unchanged.

Q: What is the significance of the "T" suffix in MAX1853EXT+T?

A: The "T" suffix indicates Cut Tape (CT) and Digi-Reel® packaging format, which is standard for automated assembly processes. The base electrical specifications and performance characteristics are identical to MAX1853EXT+.

Q: Are there any thermal or reliability differences between MAX1853EXT+ and MAX1853EXT+T?

A: No. Both parts operate across the same temperature range (-40°C to 85°C) and share identical switching frequency (200kHz), output current capability (30mA), and input voltage specifications (2.5V–5.5V). Thermal performance and reliability are equivalent.

Q: Do both parts meet the same compliance standards?

A: Yes. Both MAX1853EXT+ and MAX1853EXT+T are ROHS3 compliant with MSL Level 1 (unlimited moisture sensitivity rating). Compliance certifications and environmental standards are identical.

Q: Which packaging format should be selected for high-volume production?

A: MAX1853EXT+T with Cut Tape and Digi-Reel® packaging is optimized for automated pick-and-place assembly in high-volume manufacturing. Standard MAX1853EXT+ packaging is suitable for lower-volume or manual assembly processes.

Q: Is the SC-70-6 supplier device package compatible with standard 6-TSSOP footprints?

A: Yes. The SC-70-6 supplier device package designation corresponds to the 6-TSSOP, SC-88, SOT-363 package family. PCB footprints designed for this package family are compatible with both part variants.