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DataSheet4U.
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fairchildsemi.
com
FAN2534/FAN2535
150 mA CMOS LDO
Regulator with Fast Start, Enable
Features
• • • • • • • • • • • 70dB Ripple rejection ( 45dB up to 1MHz) 150µsec Power On Time 150µsec Enable Time Low noise - 50µVrms Enable optimized for CDMA time slices 180 mV dropout voltage at 150 mA Enable/Shutdown Control Enable time independent of noise bypass capacitor value SOT23-5 package Thermal limiting 300 mA trimmed current limit low dropout voltage, fast enable required in CDMA handset applications, exceptional loop stability to accommodate a wide variety of external capacitors, and a compact SOT23-5 surface-mount package.
These products offer significant improvements...