MCP19123T-E/MQ Microchip Technology

Description: IC REG CTRLR BCK PMBUS 28QFN, Number of Outputs: 1, Part Status: Active, Clock Sync: Yes, Output Phases: 2, Serial Interfaces: I²C, PMBus, SMBus, Control Features: Enable, Frequency Control, Power Good, Soft Start, Watchdog, Synchronous Rectifier: Yes, Supplier Device Package: 28-QFN (5x5), Voltage - Supply (Vcc/Vdd): 4.5V ~ 40V, Topology: Buck, Frequency - Switching: 100kHz ~ 1.6MHz, Output Configuration: Positive, Operating Temperature: -40°C ~ 125°C (TA), Function: Step-Down, Mounting Type: Surface Mount, Output Type: PWM Signal, Package / Case: 28-VFQFN Exposed Pad, Packaging: Tape & Reel (TR).