60V Synchronous Buck Multi-Chemistry Battery Charger Features: Wide Input Voltage Range: 4.5V to 60V Wide Battery Voltage Range: 2.4V to 60V Built-In Charge Algorithms for Lead-Acid and Li-Ion ±0.5% Float Voltage Accuracy ±5% Charge Current Accuracy Maximum Power Point Tracking Input Control NTC Temperature Compensated Float Voltage Two Open Drain Status Pins Thermally Enhanced 28-Lead 4mm × 5mm 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

25A, Dual PolyPhase Regulator 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 Sub-Milliohm DCR Current Sensing Digitally Adjustable Loop Compensation Parameters 0.5% Output Voltage Accuracy Over Temperature Integrated Input Current Sense Amplifier Internal EEPROM with ECC and Fault Logging Integrated N-Channel MOSFET Gate Drivers

3GHz to 20GHz Microwave Mixer with Wideband DC to 6GHz IF Features:Integrated LO Buffer: 0dBm LO Drive50 Wideband Matched RF and LO PortsWide IF Bandwidth: DC to 6GHzUpconversion or DownconversionHigh IIP3:+22.5dBm at 10GHz+18.3dBm at 17GHz+14.6dBm Input P1dB at 10GHz8dB Conversion Loss at 10GHz3.3V/132mA SupplyFast Turn ON/OFF for TDD Operation3mm × 2mm, 12-Lead QFN Package

Very Low Noise, Low Distortion Active RC Quad Universal Filter Features: Continuous Time—No Clock Four 2nd Order Filter Sections, 20kHz to 300kHz Center Frequency Butterworth, Chebyshev, Elliptic or Equiripple Delay Response Lowpass, Bandpass, Highpass Responses 99dB Typical S/N, ±5V Supply (Q = 1) 93dB Typical S/N, Single 5V Supply (Q = 1) Rail-to-Rail Input and Output Voltages DC Accurate to 3mV (Typ) ±0.5% Typical Center Frequency Accuracy “Zero-Power” Shutdown Mode Single or Dual Supply, 5V to 10V Total Resistor-Programmable fO, Q, Gain

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

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