MAX253EUA+T Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices MAX253EUA+T is a 1 W primary-side H-bridge transformer driver for generating isolated DC-DC supply voltages. It drives a transformer with an H-bridge output stage in a compact 8-pin SOIC package, enabling galvanic isolation in RS-485, CAN bus, and industrial interface circuits.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MAX253EUA+T Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.1600(MOQ 500)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MAX253EUA+T?
- H-bridge output stage drives an isolation transformer at up to 1 W output power
- Primary-side driver architecture for galvanic isolation barrier power supplies
- Fixed oscillator frequency for predictable EMI filtering design
- Compact 8-pin mini-SOIC (S-PDSO-G8) package for tight PCB layouts
- REACH and RoHS compliant construction for industrial regulatory requirements
- Designed for isolated RS-485, CAN, and fieldbus interface power supplies
What is MAX253EUA+T used for?
The MAX253EUA+T is used to power isolated RS-485, CAN bus, and industrial fieldbus transceiver circuits by driving a small isolation transformer to generate a 5 V or 3.3 V isolated supply. It simplifies isolated interface power supply design in factory automation, process control, and building automation systems where galvanic isolation is mandated by safety standards.
What are the specifications of MAX253EUA+T?
| Manufacturer Package Code | 8-MINI_SO-N/A |
| Reach Compliance Code | Compliant |
| Date Of Intro | 1994-01-01 |
| YTEOL | 9 |
| Interface IC Type | INTERFACE CIRCUIT |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Where can I find the MAX253EUA+T datasheet?
MAX253EUA+T Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for MAX253EUA+T?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output power capability of MAX253EUA+T and what transformer power requirement does that imply?
The MAX253EUA+T is rated for up to 1 W of primary-side transformer drive power. This is typically sufficient to supply an isolated RS-485 or CAN transceiver drawing 100 mA to 200 mA at 5 V, and the transformer turns ratio should be selected to match the required secondary voltage and current within that 1 W budget.
How does MAX253EUA+T establish galvanic isolation, and what isolation barrier does it support?
The MAX253EUA+T drives a small external isolation transformer using an H-bridge output stage on the primary side, with secondary winding rectification providing the isolated output supply. The isolation voltage capability is determined by the chosen transformer and its creepage/clearance ratings, allowing designers to meet IEC 61000 or IEC 61131 isolation requirements of 500 V to 2500 V depending on the transformer selected.
For which industrial communication bus standards is MAX253EUA+T most commonly used as an isolated power source?
The MAX253EUA+T is most commonly paired with RS-485 and CAN bus transceivers in industrial automation, PROFIBUS interfaces, and process instrumentation. These 2-wire differential bus standards require galvanic isolation to prevent ground loop current damage, and a 1 W isolated supply from MAX253EUA+T is sufficient to power a single transceiver node at 5 V with margin.
What is the package type of MAX253EUA+T and how does that affect its suitability for dense industrial PCBs?
The MAX253EUA+T comes in an 8-pin mini-SOIC (S-PDSO-G8) package, which has a smaller footprint than standard SOIC-8 at approximately 3 mm × 3 mm body size. This compact format reduces the PCB area consumed by the isolated power supply section, leaving room for the transceiver, protection components, and connector on tightly constrained industrial interface boards.
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Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 500+ | $4.5100 | $2255.00 |
| 1000+ | $4.3800 | $4380.00 |
| 2500+ | $4.1600 | $10400.00 |
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