MAX17501AATB+ Maxim Integrated Integrated Circuit (Small Outline No-lead) In Stock
The Maxim Integrated MAX17501AATB+ is a high-efficiency current-mode PFM step-down DC-DC converter accepting a wide 4.5 V to 60 V input range, covering industrial 24 V bus, automotive 48 V, and PoE supply applications. It delivers up to 80 mA of regulated output current in a compact 10-pin TDFN (3 mm × 2 mm) package with minimal external components. Available through authorized global distributors, it simplifies auxiliary power supply design with high light-load efficiency across a broad input voltage span.
- Manufacturer
- Maxim Integrated
- Package
- Small Outline No-lead
- Pin Count
- 10
- Lifecycle
- ACTIVE
- Datasheet
- MAX17501AATB+ Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MAX17501AATB+?
- Wide 4.5 V to 60 V input range covers industrial 24 V, automotive 48 V, and PoE rails in a single converter design
- Current-mode PFM control maximizes light-load efficiency, ideal for standby and always-on power subsystems
- Compact 10-pin TDFN (3 mm × 2 mm × 0.75 mm) package enables high-density auxiliary power layout on constrained PCBs
- Up to 80 mA output current with minimal external passives simplifies bias rail and sensor supply design
What is MAX17501AATB+ used for?
The MAX17501AATB+ is ideal for generating low-current auxiliary bias rails in industrial automation systems, smart metering, and PLC backplanes operating from 24 V or 48 V bus voltages. Its 4.5 V to 60 V input range also makes it suitable for automotive electronics, building automation, and power-over-Ethernet equipment where supply voltage varies widely across operating conditions. Designers leverage its PFM control and compact TDFN package to deliver efficient always-on power to microcontrollers, sensors, and communication interfaces in power-sensitive embedded applications.
What are the specifications of MAX17501AATB+?
| Manufacturer Package Code | 10-LFCSP-3X2X0.75 |
| Date Of Intro | 2012-06-01 |
| YTEOL | 10 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE FREQUENCY MODULATION |
| Input Voltage-Max | 60V |
| Input Voltage-Min | 4.5V |
| Input Voltage-Nom | 24V |
| JESD-30 Code | R-PDSO-N10 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 0.86A |
| Output Voltage-Max | 3.448V |
| Output Voltage-Min | 3.248V |
| Output Voltage-Nom | 3.38V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Current-Max (Isup) | 0.145mA |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 640kHz |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Where can I find the MAX17501AATB+ datasheet?
MAX17501AATB+ Datasheet DownloadOfficial datasheet from Maxim Integrated
What are equivalent replacements for MAX17501AATB+?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the MAX17501AATB+ support for step-down regulation?
The MAX17501AATB+ accepts a wide input voltage range of 4.5 V to 60 V, making it compatible with 12 V, 24 V, and 48 V industrial bus standards as well as automotive supply rails. This broad input range lets engineers deploy a single converter design across multiple power architectures without a separate auxiliary supply circuit for each application.
Which industrial and automotive applications are best matched to the MAX17501AATB+ buck converter?
The MAX17501AATB+ suits industrial PLCs, smart meters, motor drive auxiliary supplies, and automotive ECU bias rails where the input can swing from 4.5 V to 60 V. Its 80 mA output current efficiently powers microcontrollers, communication transceivers, and sensors in always-on subsystems, while PFM control maintains high efficiency even at very light load currents.
How does the 10-pin TDFN package of MAX17501AATB+ support compact PCB power supply integration?
The 3 mm × 2 mm × 0.75 mm TDFN package keeps the PCB footprint minimal for a 60 V-rated buck converter, allowing the MAX17501AATB+ to fit alongside its few external passives on space-constrained boards. The exposed thermal pad on the package underside improves heat dissipation through solder connection to a ground copper pour, supporting sustained operation at the 80 mA output rating.
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About Maxim Integrated
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