Renesas Electronics RAA212421 Synchronous Buck Regulators
Renesas Electronics RAA212421 Synchronous Buck Regulators are dual-output regulators combining 3V to 40V input and synchronous buck converter with 500mA LDO. These regulators feature integrated high-side and low-side NMOS devices, 500mA low dropout linear regulator, internal or external soft-start, and current limit protection. The RAA212421 regulators consist of wide VIN buck regulator that helps in integrating both high-side and low-side nMOSFETs and use internal or external compensation. The LDO features state-of-the-art internal compensation that allows it to achieve very fast load transient response.
Features
3V to 40V wide input voltage rangeSynchronous operation for high efficiencyIntegrated high-side and low-side NMOS devices500kHz internal fixed frequency or 300kHz to 2MHz adjustable switching frequencyUp to 1.1A continuous output currentInternal or external soft-startPower-good and enable functions500mA low dropout linear regulator1.8V to 6V input0.8V to 5.5V output
Applications
Industrial controlMedical devicesPortable instrumentation
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