FEATURES

? Ultralow RMS Noise: 1.2μVRMS (10Hz to 100kHz)

? Ultralow Spot Noise: 3.5nV/√Hz at 10kHz

? Ultralow 1/f Noise: 7μVP-P (0.1Hz to 10Hz)

? High PSRR at High Frequency: 52dB at 1MHz

? Ultrafast Transient Response

? Dropout Voltage: 45mV Typical

? 100μA Reference Current: ±0.5% Initial Accuracy

? Precision Current Monitor: ±3% Accuracy at 3A

? PMBus Capability Includes:

? VOUT, IOUT, VIN, VBIAS, and Temperature Reporting

? VOUT Margining

? IOUT Overcurrent and Undercurrent Warn Limits

? VOUT, VIN, and VBIAS Undervoltage and Overvoltage

Warn Limits

? Overtemperature Warn Limit

? Stable with Ceramic Output Capacitors (10μF

Minimum)

? Parallel Multiple Devices for Higher Current

? VIOC Pin to Control Upstream Switching Converter

? 22-Lead (3mm × 4mm) LQFN Package

APPLICATIONS

? RF Power Supplies: PLLs, VCOs, Mixers, LNAs, PAs

? High Speed/High Precision Data Converters

? Low Noise Instrumentation

? Post-Regulator for Switching Supplies

? FPGA and DSP Power Supplies

? Medical Applications