3.3Vout 26W 18V To 60V Input Isolated DC-DC Converter

The PT4580 series is a single-output isolated DC/DC converter, housed in a 19-pin space-saving package. These modules are UL, CSA, and VDE approved for telecom applications, and rated at 3 W or 8A. The 18V to 60V input range allows easy integration into many distributed power applications which utilize 24V bus architectures.
Standard output voltages range from 1.8V to 15V, and are each adjustable by up to 10%. Operating features include a Remote On/Off control, an under-voltage lockout (UVLO), and a differential remote sense. Protection features include an output current limit, short-circuit protection, and over-temperature shutdown.
A 330 uF output capacitor is required for proper operation.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
PT4581N Texas Instruments 1-OUTPUT 26.4W DC-DC REG PWR SUPPLY MODULE, ROHS COMPLIANT PACKAGE-19
PT4581 's PackagesPT4581 's pdf datasheet
PT4581A SIP
PT4581C SIP
PT4581N SIP




PT4581 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
PT4581 Application circuits
PT4581 circuits
This is one application circuit of PT4581,If you need more circuits,please download PT4581's pdf datasheet.


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