Quad IO-Link Master Hot Swap Controller and PHY Features:IO-Link® Compatible (COM1/COM2/COM3)8V to 34V OperationHot Swap™ Controller Protected Supply OutputsDiscrete Power MOSFETs for Ruggedness and FlexibilityConfigurable 100mA (4-Port), 200mA (2-Port), or 400mA (1-Port) CQ Drive CapabilityAutomatic Wake-Up Pulse GenerationAutomatic Cable SensingCQ Pins Protected to ±50VConfigurable L+ Current Limit with FoldbackShort Circuit, Input UV/OV and Thermal ProtectionOptional Interrupt and Auto-Retry after Faults2.9V to 5.5V Logic Supply for Flexible Digital InterfaceNo Damage or Latchup to ±8kV HBM ESD38-Lead (5mm × 7mm) QFN and TSSOP Packages

60V Rugged PROFIBUS RS485 Transceivers Features: PROFIBUS IEC 61158-2 Compliant Protected from Overvoltage Line Faults to ±60V ±52kV ESD Interface Pins, ±15kV All Other Pins ±2kV (Level 4) IEC61000-4-4 Fast Transient Burst ±25V Working Common Mode Range 20Mbps Maximum Baud Rate 1.65V to 5.5V Logic Supply Pin for Flexible Digital Interfacing (LTC2877) 5V Supply Can Operate Down to 3V for Low Power, Low Swing Applications Fully Balanced Differential Receiver Thresholds with 240mV Hysteresis for Superior Noise Tolerance and Low Duty Cycle Distortion Receiver Failsafe for Open, Shorted and Terminated Conditions Wide Operating Temperature Range: –40°C to 125°C Available in Small DFN and MSOP Packages

60V Rugged PROFIBUS RS485 Transceivers Features: PROFIBUS IEC 61158-2 Compliant Protected from Overvoltage Line Faults to ±60V ±52kV ESD Interface Pins, ±15kV All Other Pins ±2kV (Level 4) IEC61000-4-4 Fast Transient Burst ±25V Working Common Mode Range 20Mbps Maximum Baud Rate 1.65V to 5.5V Logic Supply Pin for Flexible Digital Interfacing (LTC2877) 5V Supply Can Operate Down to 3V for Low Power, Low Swing Applications Fully Balanced Differential Receiver Thresholds with 240mV Hysteresis for Superior Noise Tolerance and Low Duty Cycle Distortion Receiver Failsafe for Open, Shorted and Terminated Conditions Wide Operating Temperature Range: –40°C to 125°C Available in Small DFN and MSOP Packages

60V Rugged PROFIBUS RS485 Transceivers Features: PROFIBUS IEC 61158-2 Compliant Protected from Overvoltage Line Faults to ±60V ±52kV ESD Interface Pins, ±15kV All Other Pins ±2kV (Level 4) IEC61000-4-4 Fast Transient Burst ±25V Working Common Mode Range 20Mbps Maximum Baud Rate 1.65V to 5.5V Logic Supply Pin for Flexible Digital Interfacing (LTC2877) 5V Supply Can Operate Down to 3V for Low Power, Low Swing Applications Fully Balanced Differential Receiver Thresholds with 240mV Hysteresis for Superior Noise Tolerance and Low Duty Cycle Distortion Receiver Failsafe for Open, Shorted and Terminated Conditions Wide Operating Temperature Range: –40°C to 125°C Available in Small DFN and MSOP Packages

60V Rugged PROFIBUS RS485 Transceivers Features:PROFIBUS IEC 61158-2 CompliantProtected from Overvoltage Line Faults to ±60V±52kV ESD Interface Pins, ±15kV All Other Pins±2kV (Level 4) IEC61000-4-4 Fast Transient Burst±25V Working Common Mode Range20Mbps Maximum Baud Rate1.65V to 5.5V Logic Supply Pin for Flexible Digital Interfacing (LTC2877)5V Supply Can Operate Down to 3V for Low Power, Low Swing ApplicationsFully Balanced Differential Receiver Thresholds with240mV Hysteresis for Superior Noise Tolerance andLow Duty Cycle DistortionReceiver Failsafe for Open, Shorted and Terminated ConditionsWide Operating Temperature Range: –40°C to 125°CAvailable in Small DFN and MSOP Packages

60V Rugged PROFIBUS RS485 Transceivers Features:PROFIBUS IEC 61158-2 CompliantProtected from Overvoltage Line Faults to ±60V±52kV ESD Interface Pins, ±15kV All Other Pins±2kV (Level 4) IEC61000-4-4 Fast Transient Burst±25V Working Common Mode Range20Mbps Maximum Baud Rate1.65V to 5.5V Logic Supply Pin for Flexible Digital Interfacing (LTC2877)5V Supply Can Operate Down to 3V for Low Power, Low Swing ApplicationsFully Balanced Differential Receiver Thresholds with240mV Hysteresis for Superior Noise Tolerance andLow Duty Cycle DistortionReceiver Failsafe for Open, Shorted and Terminated ConditionsWide Operating Temperature Range: –40°C to 125°CAvailable in Small DFN and MSOP Packages

Programmable Quad Supply Monitor with Adjustable Reset Timer Features: Simultaneously Monitors Four Supplies 16 User Selectable Combinations of 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V and/or ±Adjustable Voltage Thresholds Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature Low Supply Current: 43µA Typ Adjustable Reset Time Small MSOP and 3mm × 3mm DFN Packages Manual Reset Pin Open-Drain RST Output (LTC2900-1) Push-Pull RST Output (LTC2900-2) Power Supply Glitch Immunity Guaranteed RST for VCC ≥ 1V

Programmable Quad Supply Monitor with Adjustable Reset and Watchdog Timers Features: Simultaneously Monitors Four Supplies 16 User Selectable Combinations of 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V and/or ±Adj Voltage Thresholds Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature Selectable Supply Tolerance: 5% and 10% Below Monitored Voltage (LTC2901-3/LTC2901-4) Low Supply Current: 43µA Typ Adjustable Reset Time Adjustable Watchdog Time Open-Drain RST Output (LTC2901-1/LTC2901-3) Push-Pull RST Output (LTC2901-2/LTC2901-4) Individual Nondelayed Monitor Output for Each Supply Power Supply Glitch Immunity Guaranteed RST for VCC ≥ 1V 16-Lead Narrow SSOP Package

Programmable Quad Supply Monitor with Adjustable Reset and Watchdog Timers Features: Simultaneously Monitors Four Supplies 16 User Selectable Combinations of 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V and/or ±Adj Voltage Thresholds Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature Selectable Supply Tolerance: 5% and 10% Below Monitored Voltage (LTC2901-3/LTC2901-4) Low Supply Current: 43µA Typ Adjustable Reset Time Adjustable Watchdog Time Open-Drain RST Output (LTC2901-1/LTC2901-3) Push-Pull RST Output (LTC2901-2/LTC2901-4) Individual Nondelayed Monitor Output for Each Supply Power Supply Glitch Immunity Guaranteed RST for VCC ≥ 1V 16-Lead Narrow SSOP Package

Programmable Quad Supply Monitor with Adjustable Reset and Watchdog Timers Features: Simultaneously Monitors Four Supplies 16 User Selectable Combinations of 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V and/or ±Adj Voltage Thresholds Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature Selectable Supply Tolerance: 5% and 10% Below Monitored Voltage (LTC2901-3/LTC2901-4) Low Supply Current: 43µA Typ Adjustable Reset Time Adjustable Watchdog Time Open-Drain RST Output (LTC2901-1/LTC2901-3) Push-Pull RST Output (LTC2901-2/LTC2901-4) Individual Nondelayed Monitor Output for Each Supply Power Supply Glitch Immunity Guaranteed RST for VCC ≥ 1V 16-Lead Narrow SSOP Package

Programmable Quad Supply Monitor with Adjustable Reset Timer and Supply Tolerance Features: Simultaneously Monitors Four Supplies 16 User Selectable Combinations of 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V and/or ±Adjustable Voltage Thresholds Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature Selectable Supply Tolerance: 5%, 7.5%, 10%, 12.5% Below Monitored Voltage Low Supply Current: 43µA Typ Adjustable Reset Time RESET Disable Pin for Margining Applications Open-Drain RST Output (LTC2902-1) Push-Pull RST Output (LTC2902-2) Individual Nondelayed Monitor Outputs for Each Supply Power Supply Glitch Immunity Guaranteed RESET for VCC ≥ 1V

Precision Quad Supply Monitor in 6-Lead SOT-23 Features: Ultralow Voltage Reset: VCC = 0.5V Guaranteed Monitor Four Inputs Simultaneously 3.3V, 2.5V, 1.8V, ADJ (LTC2903-A1) 5V, 3.3V, 2.5V, 1.8V (LTC2903-B1) 5V, 3.3V, 1.8V, –5.2V (LTC2903-C1) 3.3V, ADJ, ADJ, ADJ (LTC2903-D1) 5V, ADJ, ADJ, ADJ (LTC2903-E1) Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage over Temperature 10% (A1, B1, C1) and 5% (D1, E1) Undervoltage Monitoring Low Supply Current: 20µA Typical 200ms Reset Time Delay Active Low Open-Drain RST Output Power Supply Glitch Immunity Low Profile (1mm) SOT-23 (ThinSOT™) Package

Precision Quad Supply Monitor in 6-Lead SOT-23 Features: Ultralow Voltage Reset: VCC = 0.5V Guaranteed Monitor Four Inputs Simultaneously 3.3V, 2.5V, 1.8V, ADJ (LTC2903-A1) 5V, 3.3V, 2.5V, 1.8V (LTC2903-B1) 5V, 3.3V, 1.8V, –5.2V (LTC2903-C1) 3.3V, ADJ, ADJ, ADJ (LTC2903-D1) 5V, ADJ, ADJ, ADJ (LTC2903-E1) Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage over Temperature 10% (A1, B1, C1) and 5% (D1, E1) Undervoltage Monitoring Low Supply Current: 20µA Typical 200ms Reset Time Delay Active Low Open-Drain RST Output Power Supply Glitch Immunity Low Profile (1mm) SOT-23 (ThinSOT™) Package

Precision Quad Supply Monitor in 6-Lead SOT-23 Features: Ultralow Voltage Reset: VCC = 0.5V Guaranteed Monitor Four Inputs Simultaneously 3.3V, 2.5V, 1.8V, ADJ (LTC2903-A1) 5V, 3.3V, 2.5V, 1.8V (LTC2903-B1) 5V, 3.3V, 1.8V, –5.2V (LTC2903-C1) 3.3V, ADJ, ADJ, ADJ (LTC2903-D1) 5V, ADJ, ADJ, ADJ (LTC2903-E1) Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage over Temperature 10% (A1, B1, C1) and 5% (D1, E1) Undervoltage Monitoring Low Supply Current: 20µA Typical 200ms Reset Time Delay Active Low Open-Drain RST Output Power Supply Glitch Immunity Low Profile (1mm) SOT-23 (ThinSOT™) Package

Precision Dual Supply Monitor with Pin-Selectable Thresholds Features: Monitors Two Inputs Simultaneously Nine Threshold Combinations Three Supply Tolerances (5%, 7.5%, 10%) Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature Internal VCC Auto Select Power Supply Glitch Immunity 200ms Reset Time Delay (LTC2904 Only) Adjustable Reset Time Delay (LTC2905 Only) Open Drain RST Output Guaranteed RST for V1 ≥ 1V or V2 ≥ 1V Low Profile (1mm) SOT-23 (ThinSOT™) and Plastic (3mm × 2mm) DFN Packages

Precision Dual Supply Monitor with Pin-Selectable Thresholds Features: Monitors Two Inputs Simultaneously Nine Threshold Combinations Three Supply Tolerances (5%, 7.5%, 10%) Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature Internal VCC Auto Select Power Supply Glitch Immunity 200ms Reset Time Delay (LTC2904 Only) Adjustable Reset Time Delay (LTC2905 Only) Open Drain RST Output Guaranteed RST for V1 ≥ 1V or V2 ≥ 1V Low Profile (1mm) SOT-23 (ThinSOT™) and Plastic (3mm × 2mm) DFN Packages

100V Micropower Dual Voltage Monitor Features:Wide Operating Range: 3.5V to 100VWide Monitoring Range: 1.75V to 98VQuiescent Current: 7μAAdjustable Threshold RangeInternal High Value Resistive Dividers±1.4% (Max) Threshold Accuracy Over TemperaturePolarity Selection100V Rated OutputsSelectable Built-In Hysteresis20-Lead SW and 16-Lead 3mm × 3mm QFN Packages

4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement Features: Sequence, Trim, Margin and Supervise Four Power Supplies Manage Faults, Monitor Telemetry and Create Fault Logs PMBus™ Compliant Command Set Supported by LTpowerPlay® GUI Margin or Trim Supplies to within 0.25% of Target Fast OV/UV Supervisors Per Channel Fast Output Current Supervisors Per Channel Coordinate Sequencing and Fault Management Across Multiple LTC PSM Devices Automatic Fault Logging to Internal EEPROM Operate Autonomously without Additional Software External Temperature and Input Voltage Supervisors Accurate Monitoring of Four Output Voltages, Four Output Currents, Four External Temperatures, Input Voltage and Internal Die Temperature I2C/SMBus Serial Interface Can Be Powered from 3.3V, or 4.5V to 15V Available in 64-Lead 9mm × 9mm QFN Package AEC-Q100 Qualified for Automotive Applications

Octal I2C Voltage, Current, and Temperature Monitor Features: Measures Voltage, Current, Temperature Measures Four Remote Diode Temperatures 0.7°C (Typ) Accuracy, 0.06°C Resolution 1°C (Typ) Internal Temperature Sensor Series Resistance Cancellation 14-Bit ADC Measures Voltage/Current PWM Temperature Output 3V to 5.5V Supply Operating Voltage Eight Selectable Addresses Internal 10ppm/°C Voltage Reference V1 to V8 Inputs ESD Rated to 6kV HBM 16-Lead MSOP Package

60V Fault Protected 3V to 5.5V RS485/RS422 Transceivers Features: Protected from Overvoltage Line Faults to ±60V 3V to 5.5V Supply Voltage 20Mbps or Low EMI 250kbps Data Rate ±15kV ESD Interface Pins, ±8kV All Other Pins Extended Common Mode Range: ±25V Guaranteed Fail-safe Receiver Operation High Input Impedance Supports 256 Nodes 1.65V to 5.5V Logic Supply Pin (VL) for Flexible Digital Interface (LTC2865) MP-Grade Option Available (–55°C to 125°C) Fully Balanced Differential Receiver Thresholds for Low Duty Cycle Distortion Current Limited Drivers and Thermal Shutdown Pin Compatible with LT1785 and LT1791 Available in DFN and Leaded Packages