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.
●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
●• Cbypassfor 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 300mΩESR
●• 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