Switching Voltage Regulators 15V 2x 3A Mono Buck Reg for DDR Pwr

Telecom Interface ICs

Audio DSPs

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

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

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

High Current Supercapacitor Backup Controller and System Monitor Features: High Efficiency Synchronous Step-Down CC/CV Charging of One to Four Series Supercapacitors Step-Up Mode in Backup Provides Greater Utilization of Stored Energy in Supercapacitors 14-Bit ADC for Monitoring System Voltages/Currents, Capacitance and ESR Active Overvoltage Protection Shunts Internal Active Balancers—No Balance Resistors VIN: 4.5V to 35V, VCAP(n): Up to 5V per Capacitor, Charge/Backup Current: 10+A Programmable Input Current Limit Prioritizes System Load Over Capacitor Charge Current Dual Ideal Diode PowerPath™ Controller All N-FET Charger Controller and PowerPath Controller Compact 38-Lead 5mm × 7mm QFN Package AEC-Q100 Qualified for Automotive Applications

100kHz to 1GHz RF Power Detector Features: Temperature Compensated Internal Schottky Diode RF Detector Wide Input Power Range: -34dBm to 14dBm Ultra Wide Input Frequency Range: 100kHz to 1000MHz Buffered Output Wide VCC Range of 2.7V to 6V Low Operating Current: 550µA Low Shutdown Current: <2µA Low Profile (1mm) ThinSOT™ Package

Precision 300MHz to 7GHz RF Detector with Gain and Offset Adjustment Features: Temperature Compensated Internal Schottky Diode RF Detector Wide Input Frequency Range: 300MHz to 7GHz* Wide Input Power Range: –32dBm to 10dBm Buffered Detector Output with External Gain Control Precision VOUT Offset Control Low Starting Voltage: 120mV ±35mV for Gain = 2x Wide VCC Range of 2.7V to 6V Low Operating Current: 500µA Available in a Low Profile (1mm) SOT-23 Package and Tiny 6-Lead (2mm x 2mm) DFN Package

isoSPI Isolated Communications Interface Features: AEC-Q100 Qualified for Automotive Applications 1Mbps Isolated SPI Data Communications Simple Galvanic Isolation Using Standard Transformers Bidirectional Interface Over a Single Twisted Pair Supports Cable Lengths Up to 100 Meters Very Low EMI Susceptibility and Emissions Configurable for High Noise Immunity or Low Power Engineered for ISO26262 Compliant Systems Requires No Software Changes in Most SPI Systems Ultralow, 2µA Idle Current Automatic Wake-Up Detection Operating Temperature Range: –40°C to 125°C 2.7V to 5.5V Power Supply Interfaces to All Logic from 1.7V to 5.5V Available in 16-Lead QFN and MSOP Packages