40A DC/DC Module Regulator Features: Stacked Inductor Acts as Heat Sink Wide Input Voltage Range: 4.7V to 15V 0.6V to 3.3V Output Voltage Range ±1.3% Total DC Output Voltage Error Over Line, Load and Temperature (–40°C to 125°C) Differential Remote Sense Amplifier for Precision Regulation Current Mode Control/Fast Transient Response Frequency Synchronization Parallel Current Sharing (Up to 240A) Internal or External Compensation 88% Efficiency (12VIN, 1VOUT) at 40A Overcurrent Foldback Protection 16mm × 16mm × 7.07mm BGA 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

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

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

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