World’s lowest voltage single supply LDOs maximum dropout of 140-mV
The XRP6274 and XRP6275 ultra low dropout voltage regulators can operate with industry standard low voltage rails of 1.1 V to 2.5 V providing a single supply solution for convenient point-of-load voltage regulation. The new LDOs are targeted at a wide range of markets including communications, enterprise solutions, industrial systems and space constrained consumer devices.
Exar achieves the ultra low dropout performance of its XRP6274 and XRP6275 regulators without requiring either an external bias voltage or an internal charge pump, which can often generate unwanted noise and affect system operation. The new ultra LDOs use a single supply and reduce board layout complexity by avoiding the need to route a secondary bias rail to the LDO. The start up is guaranteed from an input voltage as low as 1.045 V. The XRP6274/75 devices provide output voltages down to 0.6 V with an accuracy of 0.5% using ceramic capacitors. In addition, precision enable and power good functions allow for easy sequencing and control of these LDOs.
Availability and Pricing
The XRP6274 and XRP6275 are available now in RoHS compliant, green/halogen free space-saving 10-pin 3×3 mm DFN packages and are priced from $3.20 and $3.60 respectively in 1000 piece quantities.
Visit Exar at www.exar.com
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