Analog Devices LT3073 | Demoboard EVAL-LT3073-AZ

Description

The EVAL-LT3073-AZ evaluation board features the LT3073, a 3 A, ultra-low noise, high power-supply rejection ratio (PSRR), 45 mV dropout ultra-fast linear regulator. The input voltage (VIN) range for the VIN power is from 0.6 V to 5.5 V. There are jumpers to set a 3-bit trilevel code that determines the output voltage (VOUT) at preprogrammed levels that range from 0.5 V to 4.2 V. The maximum output current is 3 A. The EVAL-LT3073-AZ requires an external BIAS voltage (VBIAS) that is at least 1.2 V higher than VOUT and is between 2.375 V and 5.5 V.

Features

• Ultra-low RMS Noise: 1.2μVRMS (10Hz to 100kHz)
• Ultra-low Spot Noise: 3nV/√Hz at 10kHz
• Ultra-low 1/f Noise: 7μVP-P from 0.1Hz to 10Hz
• High-Frequency PSRR: 52dB at 1MHz
• Ultra-fast Transient Response
• Dropout Voltage: 45mV Typical
• Digitally Programmable VOUT: 0.5V to 4.2V
• Output Tolerance: ±1.5% Over Line, Load, and Temperature
• Precision Current Monitor: ±3% accuracy at 3A
• Programmable Current Limit: ±3% at 3A
• Input Range: 0.6V to 5.5V
• Digital Output Margining: ±2.5%
• Stable with Ceramic Output Capacitors (10μF Minimum)
• Parallel Multiple Devices for Higher Current
• VIOC Pin to Control Upstream Switching Converter
• Precision Enable/Under Voltage Lock Out (UVLO)
• Power Good (PG) Flag
• Temperature Monitor
• 22-Lead (3mm x 4mm) LQFN Package

Typical applications

More information

• Datasheet
• IC product information