2-Phase Dual Output Non-Synchronous Boost Controller with Hiccup Mode Features: Wide VIN Range: 5.5V to 60V Configurable for Dual Phase Single/Dual Output Operation Peak Current Mode Control with Smooth Quadratic Slope Compensation and Dynamic Slope Recovery Adjustable Max Duty Cycle Adjustable Min On-Time Hiccup Mode for Overcurrent Protection Adjustable Current Sense Limit Output Overvoltage Protection Programmable and Phase-Lockable Operating Frequency (from 50kHz to 425kHz) Adjustable Soft-Start Current Ramping ±1% Internal Voltage Reference Internal 10V LDO Regulator for Gate Driver Two RUN Pins and Dual Power Good Monitors Flexible Topology for Boost, SEPIC and Flyback

PolyPhase Synchronous BoostController with PMBus Interface Features: Wide VIN Range: 4.5V to 60V 1% Total Output Voltage Accuracy Over Temperature at VIN = 12V PMBus Compliant Serial Interface: Programmable VOUT: Up to 60V with 0.2% Resolution Read Back of Average and Peak Temperature, Current, and Voltage (25Hz Refresh Rate) Fault Status Phase-Lockable Frequency: 75kHz to 850kHz Less than 1ms Power-Up Time Power Good Output Voltage Monitor Internal LDO Powers Gate Driver from VBIAS or EXTVCC Low Shutdown Current: IQ < 10μA Clock Out for 4-Phase Operation (40A Output Current) Available in a Thermally-Enhanced 5mm × 6mm QFN AEC-Q100 Qualification In Progress

PolyPhase Synchronous BoostController with PMBus Interface Features: Wide VIN Range: 4.5V to 60V 1% Total Output Voltage Accuracy Over Temperature at VIN = 12V PMBus Compliant Serial Interface: Programmable VOUT: Up to 60V with 0.2% Resolution Read Back of Average and Peak Temperature, Current, and Voltage (25Hz Refresh Rate) Fault Status Phase-Lockable Frequency: 75kHz to 850kHz Less than 1ms Power-Up Time Power Good Output Voltage Monitor Internal LDO Powers Gate Driver from VBIAS or EXTVCC Low Shutdown Current: IQ < 10μA Clock Out for 4-Phase Operation (40A Output Current) Available in a Thermally-Enhanced 5mm × 6mm QFN AEC-Q100 Qualification In Progress

High Efficiency Switching Surge Stopper Features:High Efficiency VOUT Clamp Stops High Voltage Input SurgesSWITCH-ON Mode 100% Duty Cycle for Normal OperationPROTECTIVE PWM Mode for Transients and FaultsVIN Pin to SGND Range: 3.5V to 60VExternal Input Voltage is Extendable to 200V+Adjustable Output Voltage ClampAdjustable Output Overcurrent ProtectionPower Inductor Improves Input EMI in Normal OperationProgrammable Fault TimerAdjustable Soft-Start for Input Inrush Current Limiting4.5% Retry Duty Cycle During FaultsAdjustable Switching Frequency: 50kHz to 850kHzOptional Reverse Input Voltage ProtectionAvailable in Thermally Enhanced 12-lead MSOP Package

140V High Efficiency Switching Surge Stopper Features: VOUT Clamp Stops High Voltage Input Surges 100% Duty Cycle Pass-Through Mode During Normal Operation Switches During Overvoltage or Overcurrent Transients and Faults and During Startup High Efficiency Switching Enables Long Duration Surge Protection and High Output Currents Wide VIN Range: 4V to 140V (150V Abs Max) Adjustable Output Voltage Clamp Up to 60V Adjustable Output Overcurrent Protection RSENSE or Inductor DCR Current Sensing Power Inductor Reduces Input EMI in Normal Mode Adjustable Soft-Start for Inrush Current Limiting Programmable Fault Timer Open-Drain Fault Warning Indicator 2.7% Retry Duty Cycle During Faults Adjustable Switching Frequency: 50kHz to to 900kHz Adjustable Input Voltage Turn-On Threshold Adjustable Input Overvoltage Lockout Threshold 20-Pin 4mm × 5mm QFN and TSSOP Packages

140V High Efficiency Switching Surge Stopper Features: VOUT Clamp Stops High Voltage Input Surges 100% Duty Cycle Pass-Through Mode During Normal Operation Switches During Overvoltage or Overcurrent Transients and Faults and During Startup High Efficiency Switching Enables Long Duration Surge Protection and High Output Currents Wide VIN Range: 4V to 140V (150V Abs Max) Adjustable Output Voltage Clamp Up to 60V Adjustable Output Overcurrent Protection RSENSE or Inductor DCR Current Sensing Power Inductor Reduces Input EMI in Normal Mode Adjustable Soft-Start for Inrush Current Limiting Programmable Fault Timer Open-Drain Fault Warning Indicator 2.7% Retry Duty Cycle During Faults Adjustable Switching Frequency: 50kHz to to 900kHz Adjustable Input Voltage Turn-On Threshold Adjustable Input Overvoltage Lockout Threshold 20-Pin 4mm × 5mm QFN and TSSOP Packages

Six-Phase, Synchronous Bidirectional Buck or Boost Controller Features: Unique Architecture Allows Dynamic Regulation of Input Voltage, Output Voltage or Current Operates with External Gate Drivers and MOSFETs VHIGH Voltages Up to 100V; VLOW Voltages Up to 60V Synchronous Rectification: Up to 98% Efficiency ADI-Proprietary Advanced Current Mode Control ±1% Voltage Regulation Accuracy Overtemperature Accurate, Programmable Inductor Current Monitoring and Bidirectional Regulation SPI Compliant Serial Interface Operation Status and Fault Report Programmable VHIGH, VLOW Margining Phase-Lockable Frequency: 60kHz to 750kHz Optional Spread Spectrum Modulation Multiphase/Multi-ICs Operation Up to 24 Phases Selectable CCM/DCM/Burst Mode Operation Thermally Enhanced 64-Lead LQFP Package AEC-Q100 Qualification in Progress

Six-Phase, Synchronous Bidirectional Buck or Boost Controller Features: Unique Architecture Allows Dynamic Regulation of Input Voltage, Output Voltage or Current Operates with External Gate Drivers and MOSFETs VHIGH Voltages Up to 100V; VLOW Voltages Up to 60V Synchronous Rectification: Up to 98% Efficiency ADI-Proprietary Advanced Current Mode Control ±1% Voltage Regulation Accuracy Overtemperature Accurate, Programmable Inductor Current Monitoring and Bidirectional Regulation SPI Compliant Serial Interface Operation Status and Fault Report Programmable VHIGH, VLOW Margining Phase-Lockable Frequency: 60kHz to 750kHz Optional Spread Spectrum Modulation Multiphase/Multi-ICs Operation Up to 24 Phases Selectable CCM/DCM/Burst Mode Operation Thermally Enhanced 64-Lead LQFP Package AEC-Q100 Qualification in Progress

Six-Phase, Synchronous Bidirectional Buck or Boost Controller Features: Unique Architecture Allows Dynamic Regulation of Input Voltage, Output Voltage or Current Operates with External Gate Drivers and MOSFETs VHIGH Voltages Up to 100V; VLOW Voltages Up to 60V Synchronous Rectification: Up to 98% Efficiency ADI-Proprietary Advanced Current Mode Control ±1% Voltage Regulation Accuracy Overtemperature Accurate, Programmable Inductor Current Monitoring and Bidirectional Regulation SPI Compliant Serial Interface Operation Status and Fault Report Programmable VHIGH, VLOW Margining Phase-Lockable Frequency: 60kHz to 750kHz Optional Spread Spectrum Modulation Multiphase/Multi-ICs Operation Up to 24 Phases Selectable CCM/DCM/Burst Mode Operation Thermally Enhanced 64-Lead LQFP Package AEC-Q100 Qualification in Progress

Quad-Phase, Synchronous Bidirectional Buck or Boost Controller Features: Unique Architecture Allows Dynamic Regulation of Input Voltage, Output Voltage or Current Operates with External Gate Drivers and MOSFETs VHIGH Voltages Up to 100V; VLOW Voltages Up to 60V Synchronous Rectification: Up to 98% Efficiency ADI-Proprietary Advanced Current Mode Control ±1% Voltage Regulation Accuracy Overtemperature Accurate, Programmable Inductor Current Monitoring and Bidirectional Regulation SPI Compliant Serial Interface Operation Status and Fault Report Programmable VHIGH, VLOW Margining Phase-Lockable Frequency: 60kHz to 750kHz Optional Spread Spectrum Modulation Multiphase/Multi-ICs Operation Up to 24 Phases Selectable CCM/DCM/Burst Mode Operation Thermally Enhanced 48-Lead LQFP Package AEC-Q100 Qualification in Progress

60V Dual OutputStep-Up Controller with DigitalPower System Management Features: PMBus/I2C Compliant Serial Interface Telemetry Read-Back Includes Input and Output Voltage and Current, Temperature and Faults Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV/OC, Frequency, and Control Loop Compensation Output Error Less Than ±0.5% Over Temperature Integrated 16-Bit ADC and 12-Bit DAC Internal EEPROM with ECC and Fault Logging Integrated N-Channel MOSFET Gate DriversPower Conversion Wide Input Voltage Range: 5V to 40V Operates Down to 2.5V After Start-Up VOUT0, VOUT1 Range: Up to 60V Analog Current Mode Control Accurate PolyPhase® Current Sharing for Up to 6 Phases (50kHz to 500kHz) Available in a 52-Lead (7mm × 8mm) QFN Package

60V Dual OutputStep-Up Controller with DigitalPower System Management Features: PMBus/I2C Compliant Serial Interface Telemetry Read-Back Includes Input and Output Voltage and Current, Temperature and Faults Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV/OC, Frequency, and Control Loop Compensation Output Error Less Than ±0.5% Over Temperature Integrated 16-Bit ADC and 12-Bit DAC Internal EEPROM with ECC and Fault Logging Integrated N-Channel MOSFET Gate DriversPower Conversion Wide Input Voltage Range: 5V to 40V Operates Down to 2.5V After Start-Up VOUT0, VOUT1 Range: Up to 60V Analog Current Mode Control Accurate PolyPhase® Current Sharing for Up to 6 Phases (50kHz to 500kHz) Available in a 52-Lead (7mm × 8mm) QFN Package

Quad Output PolyPhase Step-Down DC/DC Voltage Mode Controller with Digital Power System Management Features: PMBus/I2C Compliant Serial Interface Monitor Voltage, Current, Temperature and Faults Program Voltage, Soft-Start/Stop, Sequencing, Margining, AVP and UV/OV/OC Limits 3V ≤ VINSNS ≤ 38V, 0.1V (Limited by DrMOS tON_MIN) ≤ VOUT ≤ 5.25V ±0.5% Output Voltage Error Programmable PWM Frequency or External Clock Synchronization from 250kHz to 2.5MHz Accurate PolyPhase® Current Sharing Internal EEPROM with Fault Logging and ECC IC Supply Range: 3V to 13.2V Resistor or Inductor DCR Current Sensing Power Good Output Voltage Monitor Supports Start-Up Into a Prebiased Load Optional Resistor Programming for Key Parameters 99-Lead BGA Package (9mm × 7.5mm)

Serial 12-Bit Multiplying DAC in SO-8 Features: Improved Direct Replacement for DAC-8043 and MAX543 SO-8 Package with Standard Pinout DNL and INL Over Temperature: ±0.5LSB Easy, Fast and Flexible Serial Interface ±1LSB Maximum Gain Error 4-Quadrant Multiplication Low Power Consumption Low Cost

Improved Industry Standard Serial 12-Bit Multiplying DACs Features: Improved Direct Replacement for AD7543 and DAC-8143 Low Cost DNL and INL Over Temperature: ±0.5LSB Easy, Fast and Flexible Serial Interface Daisy-Chain 3-Wire Interface for Multiple DAC Systems (LTC8143) 1LSB Maximum Gain Error Over Temperature Eliminates Adjustment Asynchronous Clear Input for Initialization Four-Quadrant Multiplication Low Power Consumption 16-Pin PDIP and SO Packages

48-Port IEEE802.3bt (PoE 2) PSE Digital Controller Features: Fully Compliant IEEE 802.3bt Type 3 and 4 PSE Fully Compliant IEEE 802.3at Type 2 PSE Software-Compatible with LTC4291-1/LTC4292 Up to 48 PSE Ports with One Power Channel per Port Up to 24 PSE Ports with Two Power Channels per Port ECC-Protected eFlash and Data RAMs Low Power Path Dissipation per Channel 100mΩ Sense Resistance 30mΩ or Lower MOSFET RDS(ON) Chipset Provides Electrical Isolation Eliminates Optos and Isolated 3.3V Supply Very High Reliability Multipoint PD Detection Connection Check Distinguishes Single-Signature and Dual-Signature PDs Continuous Per-Port Power and Current Monitoring 1MHz I2C Compatible Serial Control Interface Pin or I2C Programmable PD Power Available in 24-Lead 4mm × 4mm (LTC91011) and a 64-Lead 7mm × 11mm (LTC9102/LTC9103) QFN Packages

12-Channel IEEE802.3bt (PoE 2) PSE Analog Controller Features: Fully Compliant IEEE 802.3bt Type 3 and 4 PSE Fully Compliant IEEE 802.3at Type 2 PSE Software-Compatible with LTC4291-1/LTC4292 Up to 48 PSE Ports with One Power Channel per Port Up to 24 PSE Ports with Two Power Channels per Port ECC-Protected eFlash and Data RAMs Low Power Path Dissipation per Channel 100mΩ Sense Resistance 30mΩ or Lower MOSFET RDS(ON) Chipset Provides Electrical Isolation Eliminates Optos and Isolated 3.3V Supply Very High Reliability Multipoint PD Detection Connection Check Distinguishes Single-Signature and Dual-Signature PDs Continuous Per-Port Power and Current Monitoring 1MHz I2C Compatible Serial Control Interface Pin or I2C Programmable PD Power Available in 24-Lead 4mm × 4mm (LTC91011) and a 64-Lead 7mm × 11mm (LTC9102/LTC9103) QFN Packages

Software-Selectable Multiprotocol Transceiver Features: Software-Selectable Transceiver Supports: RS232, RS449, EIA530, EIA530-A, V.35, V.36, X.21 TUV/Detecon Inc. Certified NET1 and NET2 Compliant (Test Report No. NET2/102201/97) TBR2 Compliant (Test Report No. CTR2/022701/98) Software-Selectable Cable Termination Using the LTC1344A Complete DTE or DCE Port with LTC1543, LTC1344A or LTC1546 with Integrated Termination Operates from Single 5V Supply with LTC1543

Software-Selectable Multiprotocol Transceiver with Termination Features: Software-Selectable Transceiver Supports: RS232, RS449, EIA530, EIA530-A, V.35, V.36, X.21 TUV Telecom Services Inc. Certified NET1, NET2 and TBR2 Compliant On-Chip Cable Termination Pin Compatible with LTC1543 Complete DTE or DCE Port with LTC1544 Operates from Single 5V Supply Small Footprint

7.5kVRMS SPI/Digital or I2C Module Isolator with Transformer Driver Features: 6-Channel Logic Isolator: 7500VRMS for 1 Minute 16.2mm Creepage CSA (IEC/UL) Approved, File #255632 3V to 5.5V Supply Operation Transformer Driver with Integrated Isolated Side LDO SPI/Digital (LTM2810-S) or I2C (LTM2810-I) Options High Common Mode Transient Immunity: 50kV/μs High Speed Operation: 10MHz Digital Isolation 4MHz/8MHz SPI Isolation 400kHz I2C Isolation Operation Up to 125°C (H-Grade) 1.62V to 5.5V Logic Supplies for Flexible Digital Interfacing ±25kV ESD HBM Across the Isolation Barrier Maximum Continuous Working Voltage: 1kVRMS, 1.6kVDC Low Current Shutdown Mode (<10µA) 22mm × 6.25mm × 2.06mm BGA Package