FAN2559

www.fairchildsemi.com FAN2558/FAN2559 180mA Low Voltage CMOS LDO Features Fixed 1.0V, 1.2V, 1.3V, 1.5V, 1.8V, 2.5V, 3.3V, 3.5V, 3.6V, 3.8V and Adjustable Output Power Good Indicator with Open Drain Output 180mA Output Current 100µA Ground Current Cbypass for Low Noise Operation Fast Enable for CDMA Applications High Ripple Rejection Current Limit Thermal Shutdown Excellent Line and Load Regulation Requires Only 1µF Output Capacitor Stable with 0 to 300mΩ ESR TTL-level Compatible Enable Input Active Output Discharge Applications Processor Power-up sequencing PDAs, Cell Phones Portable Electronic Equipment PCMCIA Vcc and Vpp regulation/switching General Description The FAN2558/9 low voltage CMOS LDOs feature fixed or adjustable output voltage, 180mA load current, delayed power good output (open drain) and 1% output accuracy with excellent line and load regulation. An external bypass capacitor provides ultra-low noise operation. The FAN2558/9 low voltage LDOs incorporate both thermal shutdown and short circuit protection. Output is stable with a 1µF, low ESR capacitor. The FAN2558/9 family is available in 5-Lead SOT-23, 6-Lead SOT-23 and 2x2mm MLP-6 packages. FAN2558: Fixed Output LDO with Power Good output FAN2558ADJ: Adjustable Output LDO with Power Good output FAN2559: Fixed Output LDO with Power Good output, Low Noise Available standard output voltages are 1.0, 1.2V, 1.3V, 1.5V, 1.8V, 2.5V, 3.3V, 3.5V, 3.6V, and 3.8V. Custom output volta...