From press release.
Texas Instruments has introduced three new 48-V synchronous buck regulators with integrated high-side and low-side MOSFETs for single- and multi-output power supplies. The 650-mA LM25017, 300-mA LM25018 and 100-mA LM25019 Fly-Buck converters feature constant on-time (COT) control architecture that reduces board space. Used with TI's WEBENCH online design tool, the Fly-Buck converters simplify and speed high-voltage DC/DC designs in industrial and automotive systems, according to TI.
The LM25017, LM25018 and LM25019 enable non-isolated voltage regulators and multi-output solutions from input voltages as high as 48 V. Pin-compatible LLP and PSOP packaging offers a scalable solution that covers a wide range of power requirements. Each Fly-Buck converter can be configured to provide positive and negative voltage rails, or isolated multiple outputs with excellent cross-regulation.
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(ACTIVE) 48V, 650mA Synchronous Step-down Regulator with Integrated MOSFETs
(ACTIVE) 48V, 325mA Synchronous Step-down Regulator with Integrated MOSFETs
(ACTIVE) 48V, 100mA Synchronous Step-down Regulator with Integrated MOSFETs