The Infineon OptiMOS IPOL 20 A is an easy to use, fully integrated DC-DC buck regulator with patented fast Constant-On-Time (COT) control scheme, it simplifies the design effort, while enable an enhanced transient response and improved Vout regulation also the on-board PWM controller and OptiMOS 5 MOSFETs with integrated bootstrap diode make the IR3888A a small footprint, high efficiency solution for various point of load applications requiring.

Single 4.3 V to 17 V application or wide input voltage range from 2 V to 17 V with an external VCC
Precision reference voltage 0.6 V, +/- 0.5 percent
Enhanced fast COT engine stable with ceramic output capacitors and no external compensation
Forced continuous conduction mode
The switching frequency is set at 800 kHz internally
Monotonic start-up with an internal soft-start time and enhanced pre-bias start-up
Thermally compensated internal over current protection
Enable input with voltage monitoring capability and power good output
Thermal shut down
Small size 6 mm x 5 mm PQFN
Halogen-free and RoHS2 compliant with exemption 7a