TI Presents New PT4821 Series of DC/DC Converters

Texas Instruments Inc. (TI, Dallas, TX) introduced its new PT4820 Series of power modules that are triple-output isolated dc/dc converters housed in a compact 18-pin low-profile package. The PT4820 series is suitable for telecommunications, datacommunications and networking applications.

The PT4820 Series operates from a standard -48V telecom central office supply. The PT4821 is the first model released in the series, offering a triple-output voltage combination of 3.3V/2.5V/1.5V. Future models will deliver output voltages as low as 1.2V.

The PT4820 Series features a 48V input (36V to 75V range); triple outputs (independently regulated); an 87 percent typical efficiency; 1,500Vdc isolation; on/off control; short-circuit protection (all outputs); over-temperature shutdown; under-voltage lockout; fixed-frequency operation; horizontal, SMD and vertical packages; and a size of 2.58in x 1.46in x 0.47in (65.5mm x 37mm x 12mm).

Pricing for the PT4820 Series is 57.03 in 10,000-unit quantities.