Datasheet Summary
19-1655; Rev 1; 2/01
NUAL KIT MA ATION U L A E V E BL AVAILA
CDMA Cellular/PCS System Power Supplies
Features o One 300mA Low-Noise LDO o Four 150mA Low-Noise LDOs o 45µVRMS Noise from 10Hz to 100kHz o >60dB Crosstalk Isolation Below 10kHz o >60dB PSRR Below 10kHz o 125mV (max) Dropout (OUT1 at 200mA) o 100mV (max) Dropout (OUT2- 5 at 100mA) o Programmable Output Voltages 1.8V to 3.3V in 32 Steps o 140ms (min) Reset Timer o SPI- or I2C-patible Serial Interface o Push-On/Push-Off Control Logic o Two 150mA General Purpose Open-Drain Outputs o Overcurrent and Thermal Protection (all LDOs) o 1µA Shutdown Current o 20-Pin Thermally-Enhanced TSSOP or QFN Packages
General Description
The...
