LTC2970

Features n Less Than ±0.5% Total Unadjusted Error 14-Bit DS ADC with On-Chip Reference n Dual, 8-Bit IDACs with 1x Voltage Buffers n Linear, Voltage Servo Adjusts Supply Voltages by Ramping IDAC Outputs Up/Down n I2C Bus Interface (SMBus Compatible) n Extensive, User Configurable Fault Monitoring n On-Chip Temperature Sensor n Available in 24-Pin 4mm × 5mm QFN Package Applications n Dual Power Supply Voltage Servo n Monitoring Supply Voltage and Current n Programmable Power Supplies n Programmable Reference LTC2970/LTC2970-1 Dual I2C Power Supply Monitor and Margining Controller Description The LTC®2970 is a dual power supply monitor and margining controller with an SMBus compatible I2C bus interface. A low-drift, on-chip reference and 14-bit ΔΣ A/D converter allow precise measurements of supply voltages, load currents or internal die temperature. Fault management allows ALERT to be asserted for configurable overvoltage and undervoltage fault conditions. Two voltage bu...