42V, Low IQ, Quad Output Triple Monolithic Buck Converter and Boost Controller Features: Flexible Power Supply System Capable of Four Regulated Outputs with VBATT << VOUT Two High Voltage Synchronous Buck Regulators 3V to 42V Input Voltage Range Output Currents Up to 2.5A and 1.5A One Low Voltage Synchronous Buck Regulator 2.6V to 5.5V Input Voltage Range Output Currents Up to 1.8A One Boost Controller Allows Buck Converters to Regulate with VBATT << VOUT Selectable Burst Mode® Operation Allows Low 28µA IQ with High Voltage Channels Active Programmable Power-On Reset Individual Channel Power Good Indicators Step-Down Switching Frequency: 250kHz to 2.2MHz Available in 40-Lead QFN (6mm × 6mm) Package AEC-Q100 Qualified for Automotive Applications

Dual 10GHz GBW, 1.1nV/Hz Differential Amplifier/ADC Driver Features: 10GHz Gain-Bandwidth Product 85dB SFDR at 100MHz, 2VP-P 1.1nV/√Hz Input Noise Density Channel Separation 95dB at 100MHz Input Range Includes Ground External Resistors Set Gain (Min 1V/V) 3300V/μs Differential Slew Rate 52mA Supply Current (Per Amplifier) 2.7V to 5.25V Supply Voltage Range Fully Differential Input and Output Adjustable Output Common Mode Voltage Low Power Shutdown Small 20-Lead 4mm × 3mm × 0.75mm LQFN Package

Dual 25A or Single 50A Module Regulator with 0.8% DC and 3% Transient Accuracy Features:±0.8% Maximum Total DC Output Error Over Line and Load (LTM4650-1A)±3% Transient Output Error with Minimum Output CapacitanceDual 25A or Single 50A Output4.5V to 15V Input, 0.6V to 1.8V Output Voltage RangeDifferential Remote Sense AmplifierCurrent Mode Control/Fast Transient ResponseCurrent Sharing Up to 300A16mm × 16mm × 5.01mm BGA Package

Doubler Charge Pumps with Low Noise Linear Regulator Features: Low Output Noise: 60µVRMS (100kHz BW) Adjustable or Fixed Boosted Output Adjustable Output Voltage Range: 2.5V to 5.5V Fixed Output Voltages: 3.3V, 5V Wide Input Voltage Range: 1.8V to 4.4V Uses Small Ceramic Capacitors No Inductors Required Output Current up to 50mA 550kHz Switching Frequency Low Operating Current: 150µA Low Shutdown Current: 1µA Internal Thermal Shutdown and Current Limiting Available in 8-Pin MSOP and SO Packages

IEEE 802.3bt PD Interface with Forward/Flyback Controller Features: IEEE 802.3af/at/bt Powered Device (PD) with Forward/Flyback Controller Supports Up to 71.3W PDs 5-Event Classification Sensing Superior Surge Protection (100V Absolute Maximum) Wide Junction Temperature Range (–40°C to 125°C) >94% End-to-End Efficiency with LT4321 Ideal Bridge External Hot Swap N-Channel MOSFET for Lowest Power Dissipation and Highest System Efficiency No-Opto Flyback Operation Auxiliary Power Support as Low as 9V Easy Migration of LTPoE++® PDs to IEEE 802.3bt PDs Pin Compatible with LT4276A/B/C 28-Lead 4mm × 5mm QFN Package

5W AutoResonant Wireless Power Transmitter Features: Monolithic 5W Wireless Power Transmitter AutoResonant™ Switching Frequency Adjusts to Resonant Capacitance and Transmit Coil Inductance* Transmit Power Automatically Adjusts to Receiver Load* Input Voltage Range: 3V to 5.5V Integrated 100mΩ Full Bridge Switches Multiple Foreign Object Detection Methods Programmable Average Input Current Limit and Monitor NTC Input for System/Component Temperature Qualified Power Transfer Wide Operating Switching Frequency Range: 50kHz to 250kHz Thermally Enhanced 4mm × 5mm QFN 20-Lead Package

36V Battery Charger and Power Backup Manager Features: Seamless Transition Between Primary Power Source and Li-Ion Battery 2A High Voltage Step-Down Regulator with Adaptive Output Control Internal 75mΩ Ideal Diode Plus Optional External Ideal Diode Controller Provides Low Loss PowerPath™ When Primary Supply Not Present Wide Input Voltage Range: 6V to 36V (60V Abs Max) 4.45V Max Output Voltage Full Featured Li-Ion Battery Charger Pin Selectable 4.1V and 4.2V Charge Voltage Options Thermally Enhanced Low Profile (0.75mm) 6mm × 3mm 22-Lead DFN Package

Dual, 16-Bit, 666ksps/ch Differential SoftSpan ADC with Wide Input Common Mode Range Features: 666ksps per Channel Throughput Two Simultaneous Sampling Channels ±1.25LSB INL (Maximum) Guaranteed 16-Bit, No Missing Codes Differential, Wide Common Mode Range Inputs Per-Channel SoftSpan Input Ranges: ±4.096V, 0V to 4.096V, ±2.048V, 0V to 2.048V ±5V, 0V to 5V, ±2.5V, 0V to 2.5V 93.4dB Single-Conversion SNR (Typical) −114dB THD (Typical) at fIN = 2kHz 105dB CMRR (Typical) at fIN = 200Hz Rail-to-Rail Input Overdrive Tolerance Guaranteed Operation to 125°C Integrated Reference and Buffer (4.096V) SPI CMOS (1.8V to 5V) and LVDS Serial I/O Internal Conversion Clock, No Cycle Latency 74mW Power Dissipation (Typical) 32-Lead (5mm × 5mm) QFN Package

60V Dual Output Step-Down Controller with Digital Power System Management Features: PMBus/I2C Compliant Serial Interface Telemetry Read-Back Includes VIN, IIN, VOUT, IOUT, 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 Integrated High Side Current Sense Amplifier Internal EEPROM with ECC and Fault Logging Integrated N-Channel MOSFET Gate DriversPower Conversion Wide VIN Range: 5V to 60V VOUT0, VOUT1 Range: 1V to 40V Analog Current Mode Control Accurate PolyPhase® Current Sharing for Up to 6 Phases (85kHz to 500kHz) Available in a 52-Lead (7mm× 8mm) QFN Package

20V, 15A Synchronous Step-Down Silent Switcher 2 Regulator Features:Silent Switcher®2 Architecture for Low EMI VIN Range: 3.1V to 20V VOUT Range: 0.5V to 5.5V Differential VOUT Remote Sense Adjustable Frequency: 400kHz to 3MHz PolyPhase® Operation: Up to 12 Phases Output Tracking and Soft-StartReference Accuracy: ±1% Overtemperature Current Mode Operation for Excellent Line and Load Transient Response Accurate 1.2V Run Pin Threshold Supports Forced Continuous/Discontinuous Modes 28-Lead Thermally Enhanced 4mm × 5mm × 0.74mm LQFN Package

Unity-Gain Stable, Ultralow Distortion, 1 nV/Hz Voltage Noise, High Speed Op Amp Features: Unity-gain stable Ultralow noise: 1 nV/√Hz, 2.6 pA/√Hz Ultralow distortion −117 dBc at 1 MHz High speed −3 dB bandwidth: 600 MHz (G = +1) Slew rate: 310 V/μs Offset voltage: 230 μV maximum Low input bias current: 100 nA Wide supply voltage range: 5 V to 12 V Supply current: 14.7 mA High performance pinout Disable mode

20V, 500mA, Ultralow Noise, Ultrahigh PSRR Negative Linear Regulator Features: Ultralow RMS Noise: 0.8µVRMS (10Hz to 100kHz) Ultralow Spot Noise: 2.2nV/√Hz at 10kHz Ultrahigh PSRR: 74dB at 1MHz Output Current: 500mA Wide Input Voltage Range: –1.8V to –20V Single Capacitor Improves Noise and PSRR 100µA SET Pin Current: ±1% Initial Accuracy Single Resistor Programs Output Voltage Programmable Current Limit Low Dropout Voltage: 235mV Output Voltage Range: 0V to –19.5V Programmable Power Good and Fast Start-Up Bipolar Precision Enable/UVLO Pin VIOC Pin Controls Upstream Regulator to Minimize Power Dissipation and Optimize PSRR Minimum Output Capacitor: 10µF Ceramic 12-Lead MSOP and 3mm × 3mm DFN Packages

2.5A Supercapacitor Backup Power Manager Features: 2.5A Step-Down Supercapacitor Charger and 2.5A Step-Up Backup Supply 6.5A Switches for 2.5A Backup from One Supercapacitor or Two in Series Input Current Limit Prioritizes Load over Charge Current Input Disconnect Switch Isolates Input During Backup Automatic Seamless Switch-Over to Backup Mode Internal Supercapacitor Balancer (No External Resistors) Programmable Charge Current and Charge Voltage Input Power Fail Indicator System Power Good Indicator Optional OVP Circuitry Protects Device to >60V Constant Frequency Operation Thermally Enhanced 24-Lead 4mm × 5mm QFN Package

65V, 8A Synchronous Step-Down Silent Switcher 2 with 2.5A Quiescent Current Features: Silent Switcher®2 Architecture Ultralow EMI Emissions on Any PCB Eliminates PCB Layout Sensitivity Internal Bypass Capacitors Reduce Radiated EMI Optional Spread Spectrum Modulation High Efficiency at High Frequency Up to 95% Efficiency at 1MHz, 12VIN to 5VOUT Up to 94% Efficiency at 2MHz, 12VIN to 5VOUT Wide Input Voltage Range: 3.4V to 65V Ultralow Quiescent Current Burst Mode Operation 2.5μA IQ Regulating 12VIN to 3.3VOUT (LT8645S) Output Ripple < 10mVP-P External Compensation: Fast Transient Response and Current Sharing (LT8646S) Fast Minimum Switch On-Time: 40ns Low Dropout Under All Conditions: 60mV at 1A Adjustable and Synchronizable: 200kHz to 2.2MHz Peak Current Mode Operation Output Soft-Start and Tracking Small 32-Lead 6mm × 4mm LQFN Package AEC-Q100 Qualified for Automotive Applications

Buffered 8-Channel, 16-Bit, 800ksps Differential 10.24V ADC with 30VP-P Common Mode Range Features: Eight Buffered Multiplexed Channels 800ksps Throughput 500pA/12nA Maximum Input Leakage at 85°C/125°C ±1LSB INL (Maximum ±10.24V Range) Guaranteed 16-Bit, No Missing Codes Differential, Wide Common Mode Range Inputs 8-Channel Multiplexer with SoftSpan Input Ranges: ±10.24V, 0V to 10.24V, ±5.12V, 0V to 5.12V ±12.5V, 0V to 12.5V, ±6.25V, 0V to 6.25V 94.2dB Single-Conversion SNR (Typical) −110dB THD (Typical) at fIN = 2kHz 128dB CMRR, –125dB Active Crosstalk (Typical) 420ns Step Response (Full-Scale, 0.005% Settling) Rail-to-Rail Input Overdrive Tolerance Programmable Sequencer with No-Latency Control Integrated Reference and Buffer (4.096V) SPI CMOS (1.8V to 5V) and LVDS Serial I/O 268mW Power Dissipation (Typical) 48-Lead (7mm × 7mm) LQFP Package

Buffered 8-Channel, 18-Bit, 800ksps Differential 10.24V ADC with 30VP-P Common Mode Range Features: Eight Buffered Multiplexed Channels 800ksps Throughput 500pA/12nA Maximum Input Leakage at 85°C/125°C ±3LSB INL (Maximum ±10.24V Range) Guaranteed 18-Bit, No Missing Codes Differential, Wide Common Mode Range Inputs 8-Channel Multiplexer with SoftSpan Input Ranges: ±10.24V, 0V to 10.24V, ±5.12V, 0V to 5.12V ±12.5V, 0V to 12.5V, ±6.25V, 0V to 6.25V 96.4dB Single-Conversion SNR (Typical) −110dB THD (Typical) at fIN = 2kHz 128dB CMRR, –125dB Active Crosstalk (Typical) 420ns Step Response (Full-Scale, 0.005% Settling) Rail-to-Rail Input Overdrive Tolerance Programmable Sequencer with No-Latency Control Integrated Reference and Buffer (4.096V) SPI CMOS (1.8V to 5V) and LVDS Serial I/O 268mW Power Dissipation (Typical) 48-Lead (7mm × 7mm) LQFP Package

18-Bit, 250ksps, 10.24V True Bipolar, Fully Differential Input ADC with 100dB SNR Features: 250ksps Throughput Rate ±4LSB INL (Max) Guaranteed 18-Bit No Missing Codes Fully Differential Inputs True Bipolar Input Ranges ±6.25V, ±10.24V, ±12.5V 100dB SNR (Typ) at fIN = 2kHz –115dB THD (Typ) at fIN = 2kHz Guaranteed Operation to 125°C Single 5V Supply Low Drift (20ppm/°C Max) 2.048V Internal Reference Onboard Single-Shot Capable Reference Buffer No Pipeline Delay, No Cycle Latency 1.8V to 5V I/O Voltages SPI-Compatible Serial I/O with Daisy-Chain Mode Internal Conversion Clock Power Dissipation 28mW (Typ) 16-Lead MSOP Package

18-Bit, 1Msps, 10.24V True Bipolar, Fully Differential Input ADC with 100dB SNR Features: 1Msps Throughput Rate ±4LSB INL (Max) Guaranteed 18-Bit No Missing Codes Fully Differential Inputs True Bipolar Input Ranges ±6.25V, ±10.24V, ±12.5V 100dB SNR (Typ) at fIN = 2kHz –115dB THD (Typ) at fIN = 2kHz Guaranteed Operation to 125°C Single 5V Supply Low Drift (20ppm/°C Max) 2.048V Internal Reference On-board Single-Shot Capable Reference Buffer No Pipeline Delay, No Cycle Latency 1.8V to 5V I/O Voltages SPI-Compatible Serial I/O with Daisy-Chain Mode Internal Conversion Clock Power Dissipation 50mW (Typ) 16-Lead MSOP Package

18-Bit, 1Msps, 10.24V True Bipolar, Fully Differential Input ADC with 100dB SNR Features: 1Msps Throughput Rate ±4LSB INL (Max) Guaranteed 18-Bit No Missing Codes Fully Differential Inputs True Bipolar Input Ranges ±6.25V, ±10.24V, ±12.5V 100dB SNR (Typ) at fIN = 2kHz –115dB THD (Typ) at fIN = 2kHz Guaranteed Operation to 125°C Single 5V Supply Low Drift (20ppm/°C Max) 2.048V Internal Reference On-board Single-Shot Capable Reference Buffer No Pipeline Delay, No Cycle Latency 1.8V to 5V I/O Voltages SPI-Compatible Serial I/O with Daisy-Chain Mode Internal Conversion Clock Power Dissipation 50mW (Typ) 16-Lead MSOP Package

14-Bit, 125Msps Ultra-Low Power 1.8V ADCs Features: 73.4dB SNR 85dB SFDR Low Power: 127mW/106mW/89mW Single 1.8V Supply CMOS, DDR CMOS or DDR LVDS Outputs Selectable Input Ranges: 1VP-P to 2VP-P 800MHz Full-Power Bandwidth S/H Optional Data Output Randomizer Optional Clock Duty Cycle Stabilizer Shutdown and Nap Modes Serial SPI Port for Configuration Pin Compatible 14-Bit and 12-Bit Versions 40-Pin (6mm × 6mm) QFN Package