MPM4730 Datasheet | Monolithic Power Systems

DESCRIPTION The MPM4730 is a synchronous, four-switch integrated buck-boost module with a 2.8V to 22V input voltage (VIN) range. The device regulates the output voltage (VOUT) with high efficiency, and provides integrated VOUT scaling and output current (IOUT) limit functions. The MPM4730 uses constant-on-time (COT) control in buck mode and constant-off-time control in boost mode, providing a fast load transient response and smooth buck-boost mode transients. The MPM4730 features automatic pulse-frequency modulation (PFM)/pulse-width modulation (PWM) or forced PWM switching modes. It also provides a selectable switching frequency (f SW) and configurable soft start. Full protection features include over-current protection (OCP), over-voltage protection (OVP), under-voltage protection (UVP), and thermal shutdown. The MPM4730 is available in an ECLGA-18 (3mmx3mm) package. FEATURES - 2.8V to 22V Operating Input Voltage (VIN) Range - 0.08V to 1.637V Reference Voltage (VREF) Range with 0.8m V Resolution via the I2C (1) (Default 1V VREF) - Configurable Output Voltage (VOUT) via the FB Pin - 1A Max Output Current (IOUT) - 500k Hz/750k Hz Selectable Switching Frequency (f SW) - Output Over-Voltage Protection (OVP) and Short-Circuit Protection (SCP) with Hiccup Mode - Over-Temperature Warning (OTW) and Shutdown - I2C Interface with ALT Pin - One-Time Programmable (OTP) Non Volatile Memory (NVM) - I2C-Configurable Pulse-Frequency Modulation (PFM)/Pulse-Width Modulation (PWM) Mode, Soft Start, Over-Current Protection (OCP), and OVP - Configurable EN Shutdown Discharge - Available in an ECLGA-18 (3mmx3mmx1.86mm) Package APPLICATIONS - Server Power Supply Units (PSUs) - Buck-Boost Bus Supplies All MPS parts are lead-free, halogen-free, and adhere to the Ro HS directive. For MPS green status, please visit the MPS website under Quality Assurance. “MPS”, the MPS logo, and “Simple, Easy Solutions” are trademarks of Monolithic Power Systems, Inc. or its subsidiaries. Note: 1) For...