Negative Voltage Hot Swap Controllers with ADC and IC Monitoring Features:Allows Safe Insertion into Live –48V Backplanes10-Bit ADC Monitors Current and VoltagesI2C/SMBus Interface or Single-Wire Broadcast ModeFloating Topology Allows Very High Voltage OperationIndependently Adjustable Inrush and Overcurrent LimitsControlled Soft-Start InrushAdjustable UV/OV Thresholds and HysteresisSequenced Power Good Outputs with DelaysAdjustable Power Good Input TimeoutProgrammable Latchoff or Auto-Retry After FaultsAlerts Host After FaultsAvailable in 28-Lead Narrow SSOP and 24-Lead (4mm × 5mm) QFN Packages

High Current Hot Swap Controller with I2C Compatible Monitoring Features: Allows Safe Board Insertion Into Live Backplane 12-/16-Bit ADC with ±0.9% Total Unadjusted Error Monitors Current, Voltage, Power and Energy Controls Two Parallel N-Channel MOSFETs for SOA Sharing in High Current Applications Internal EEPROM for Nonvolatile Configuration Wide Operating Voltage Range: 2.9V to 33V I2C/SMBus Digital Interface (Coexists with PMBus Devices) 12V Gate Drive for Lower MOSFET RDS(ON) Programmable Current Limit with 2% Accuracy MOSFET Power Limiting with Current Foldback Continuously Monitors MOSFET Health Stores Minimum and Maximum Measurements Alerts When Alarm Thresholds Exceeded Input Overvoltage and Undervoltage Protection Internal ±5% or External Timebases 32-Pin 5mm × 5mm QFN Package AEC-Q100 Qualified for Automotive Applications

High Power Negative Voltage Hot Swap Controller with Energy Monitor Features: Drives Two Gates for High Power Applications Configurable Parallel, Staged Start or Single Modes Protects MOSFET with SOA Timer Programmable 15mV to 30mV Current Limit Sense Voltage with 8-Bit to 16-Bit Gear-Shift ADC with 0.7% Accuracy Monitors Voltages, Currents, Power and Energy Nonvolatile Configuration and Fault Recording Floating Topology for Rugged High Voltage Operation Selectable Inrush Control: dV/dt or Current Limit I2C/SMBus or Single-Wire Broadcast Interfaces Min/Max ADC Measurement Logging with Alerts Reboots on I2C Command with Programmable Delay Adjustable Input UV/OV Thresholds and Hysteresis 44-Pin 5mm × 8mm QFN Package

High Power Negative Voltage Hot Swap Controller with Energy Monitor Features: Drives Two Gates for High Power Applications Configurable Parallel, Staged Start or Single Modes Protects MOSFET with SOA Timer Programmable 15mV to 30mV Current Limit Sense Voltage with 8-Bit to 16-Bit Gear-Shift ADC with 0.7% Accuracy Monitors Voltages, Currents, Power and Energy Nonvolatile Configuration and Fault Recording Floating Topology for Rugged High Voltage Operation Selectable Inrush Control: dV/dt or Current Limit I2C/SMBus or Single-Wire Broadcast Interfaces Min/Max ADC Measurement Logging with Alerts Reboots on I2C Command with Programmable Delay Adjustable Input UV/OV Thresholds and Hysteresis 44-Pin 5mm × 8mm QFN Package

100mA CMOS Voltage Converter Features: Simple Conversion of 5V to -5V Supply Output Drive: 100mA ROUT: 6.5Ω (0.65V Loss at 100mA) Boost Pin (Pin 1) for Higher Switching Frequency Inverting and Doubling Modes Minimum Open Circuit Voltage Conversion Efficiency: 99% Typical Power Conversion Efficiency with a 100mA Load: 88% Easy to Use

Precision Low Drift Low Noise Buffered Reference Features: Low Drift: A-Grade 5ppm/°C Max B-Grade 10ppm/°C Max (MSOP8) B-Grade 8ppm/°C Max (LS8) High Accuracy: A-Grade ±0.05% Max B-Grade ±0.1% Max Low Noise: 2.1ppmP-P (0.1Hz to 10Hz) 100% Tested at –40°C, 25°C and 125°C Sinks and Sources Current: ±5mA Low Power Shutdown: <2μA Maximum Thermal Hysteresis (LS8): 45ppm (–40°C to 125°C) Long-Term Drift (LS8): 20ppm/√kHr Low Dropout: 300mV Available Output Voltage Options: 1.25V, 2.048V, 2.5V, 3V, 3.3V, 4.096V, 5V 8-Lead MSOP and 5mm × 5mm Surface Mount Hermetic Packages

Precision Low Drift Low Noise Buffered Reference Features: Low Drift: A-Grade 5ppm/°C Max B-Grade 10ppm/°C Max (MSOP8) B-Grade 8ppm/°C Max (LS8) High Accuracy: A-Grade ±0.05% Max B-Grade ±0.1% Max Low Noise: 2.1ppmP-P (0.1Hz to 10Hz) 100% Tested at –40°C, 25°C and 125°C Sinks and Sources Current: ±5mA Low Power Shutdown: <2μA Maximum Thermal Hysteresis (LS8): 45ppm (–40°C to 125°C) Long-Term Drift (LS8): 20ppm/√kHr Low Dropout: 300mV Available Output Voltage Options: 1.25V, 2.048V, 2.5V, 3V, 3.3V, 4.096V, 5V 8-Lead MSOP and 5mm × 5mm Surface Mount Hermetic Packages

Precision Low Drift Low Noise Buffered Reference Features: Low Drift: A-Grade 5ppm/°C Max B-Grade 10ppm/°C Max (MSOP8) B-Grade 8ppm/°C Max (LS8) High Accuracy: A-Grade ±0.05% Max B-Grade ±0.1% Max Low Noise: 2.1ppmP-P (0.1Hz to 10Hz) 100% Tested at –40°C, 25°C and 125°C Sinks and Sources Current: ±5mA Low Power Shutdown: <2μA Maximum Thermal Hysteresis (LS8): 45ppm (–40°C to 125°C) Long-Term Drift (LS8): 20ppm/√kHr Low Dropout: 300mV Available Output Voltage Options: 1.25V, 2.048V, 2.5V, 3V, 3.3V, 4.096V, 5V 8-Lead MSOP and 5mm × 5mm Surface Mount Hermetic Packages

Precision Low Drift Low Noise Buffered Reference Features: Low Drift: A-Grade 5ppm/°C Max B-Grade 10ppm/°C Max (MSOP8) B-Grade 8ppm/°C Max (LS8) High Accuracy: A-Grade ±0.05% Max B-Grade ±0.1% Max Low Noise: 2.1ppmP-P (0.1Hz to 10Hz) 100% Tested at –40°C, 25°C and 125°C Sinks and Sources Current: ±5mA Low Power Shutdown: <2μA Maximum Thermal Hysteresis (LS8): 45ppm (–40°C to 125°C) Long-Term Drift (LS8): 20ppm/√kHr Low Dropout: 300mV Available Output Voltage Options: 1.25V, 2.048V, 2.5V, 3V, 3.3V, 4.096V, 5V 8-Lead MSOP and 5mm × 5mm Surface Mount Hermetic Packages

0.25ppm Noise, Low Drift Precision References Features: Low Noise: 0.25ppmP-P (0.1Hz to 10Hz) 625nVP-P for the LTC6655-2.5 0.21ppmRMS (10Hz to 1kHz) for the LTC6655LN CNR = 100µF Low Drift: 2ppm/°C Max High Accuracy: ±0.025% Max No Humidity Sensitivity (LS8 Package) Thermal Hysteresis (LS8): 30ppm (–40°C to 85°C) Long-Term Drift (LS8): 20ppm/√kHr 100% Tested at –40°C, 25°C and 125°C Load Regulation: <10ppm/mA Sinks and Sources Current: ±5mA Low Dropout: 500mV Maximum Supply Voltage: 13.2V Low Power Shutdown: <20µA Max Available Output Voltages: 1.25V, 2.048V, 2.5V, 3V, 3.3V, 4.096V, 5V Available in an 8-Lead MSOP and High Stability Hermetic 5mm × 5mm LS8 Packages