myMectronic
myMectronic

A Premier B2B Part Search

TDK Corporation FS14042500AS Voltage Regulator

The FS1404 is a compact, high-efficiency, fully integrated micro-point-of-load (uPOL™) voltage regulator offering 4A continuous load capability in a small 3.3mm x 3.3mm x 1.5mm package. It features an included inductor, programmable output via I2C, wide input voltage range, and built-in protection like over-voltage, over-current, thermal shutdown, and UVLO. Suitable for telecom, industrial, server, and distributed power systems, it provides fast transient response, low ripple, and is ideal for space-constrained applications demanding reliable and precise voltage regulation.

Authorized Distributors
Source:Newark
Part No:FS1404-2500-AS
Stock:272
Inv Date:06-12-2026
Price: Unit price: $7.52
Buy/RFQ:
Source:DigiKey
Part No:FS1404-2500-AS
Stock:250
Inv Date:06-12-2026
Price: Unit price: $4.32016
Buy/RFQ:
Source:DigiKey
Part No:FS1404-2500-AS
Stock:559
Inv Date:06-12-2026
Price: Unit price: $9.66
Buy/RFQ:
Part No:FS1404-2500-AS
Stock:534
Inv Date:06-13-2026
Price: Unit price: $7.45
Buy/RFQ:
Part No:FS1404-2500-AS
Stock:16
Inv Date:06-13-2026
Price: N/A
Buy/RFQ:

TDK Corporation FS14042500AS Voltage Regulator Specifications:

  • Package Size: 3.3mm x 3.3mm x 1.5mm
  • Continuous Output Current: 4A
  • Input Voltage Range: 4.5V to 16V (for 2.5V output), 6V to 16V (for 3.3V output)
  • Output Voltage: Preset at 2.5V or 3.3V, programmable via I2C
  • Switching Frequency: ~1.3MHz at 2.5V; ~1.5MHz at 3.3V
  • Protection: Over-voltage, over-current, thermal shutdown, UVLO
  • Operating Temperature: -40°C to +125°C
  • Package Material: Halogen-free, lead-free
  • Interface: I2C serial bus (fast mode, fast mode plus)
  • Additional Features: Power-good indicator, soft-start, pre-biased start-up
  • Application: Storage, telecom, networking, industrial, server, distributed point-of-load

Buy the TDK Series FS1404 4A Buck Regulator: FS14042500AS

Experience the reliable performance of the TDK FS1404 voltage regulator, a compact and efficient 4A micro-point-of-load (uPOL™) device. Featuring integrated inductor, programmable output via I2C, and wide input voltage range, it is perfect for telecom, industrial, and server systems. Its small footprint of 3.3mm x 3.3mm x 1.5mm allows for space-constrained designs, while advanced protection features ensure safety and longevity. Easily automatised with surface-mount technology, the FS1404 provides fast transient response, minimal ripple, and robust operation for demanding precise voltage regulation applications.

Get TDK FS14042500AS today—built for precision and long-lasting durability in compact power solutions.

Frequently Asked Questions

Where can I buy TDK Corporation FS14042500AS?

You can click on the BUY or RFQ button to purchase FS14042500AS from an authorized TDK Corporation distributor.

How do I troubleshoot issues or seek technical support for part FS14042500AS?

You can download the FS14042500AS datasheet or visit the TDK Corporation website for support.

Who is the manufacturer of FS14042500AS?

TDK Corporation

TDK Corporation Part List

Browse and search other TDK Corporation parts, locate datasheets and stock

Sponsored by