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

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

Quad-Channel Digital Isolator (3/1 Channel Directionality) Features: Qualified for automotive applications Low power operation Bidirectional communication 3 V/5 V level translation High temperature operation: 125°C High data rate: dc to 90 Mbps (NRZ) Precise timing characteristics High common-mode transient immunity: >25 kV/μs See data sheet for additional features

Robust 5.0 kVrms Six Channel Digital Isolator w/ Fail-Safe & 2 Reverse Channels Features: High common-mode transient immunity: 100 kV/μs High robustness to radiated and conducted noise Low propagation delay 13 ns maximum for 5 V operation 15 ns maximum for 1.8 V operation 150 Mbps maximum guaranteed data rate Safety and regulatory approvals UL recognition: 5000 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A VDE certificate of conformity DIN V VDE V 0884-11:2017-01 VIORM = 849 V peak CQC certification per GB4943.1-2011 Low dynamic power consumption 1.8 V to 5 V level translation High temperature operation: 125°C Fail-safe high or low options 16-lead, RoHS-compliant, wide body SOIC_IC package

Robust 5.0 kVrms Six Channel Digital Isolator w/ Fail-Safe & 2 Reverse Channels Features: High common-mode transient immunity: 100 kV/μs High robustness to radiated and conducted noise Low propagation delay 13 ns maximum for 5 V operation 15 ns maximum for 1.8 V operation 150 Mbps maximum guaranteed data rate Safety and regulatory approvals UL recognition: 5000 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A VDE certificate of conformity DIN V VDE V 0884-11:2017-01 VIORM = 849 V peak CQC certification per GB4943.1-2011 Low dynamic power consumption 1.8 V to 5 V level translation High temperature operation: 125°C Fail-safe high or low options 16-lead, RoHS-compliant, wide body SOIC_IC package

3.75 kV RMS Digital Isolators for Isolated USB 2.0 High, Full, and Low Speed Features: USB 2.0 signaling with automatic detection of low, full, and high speed connections 1.5 Mbps, 12 Mbps, and 480 Mbps data rates Bidirectional USB isolator for upstream and downstream ports Redriving and high speed data retiming for input jitter removal and an open eye Flexible clock input options 4.5 V to 5.5 V VBUSx or 3 V to 3.6V operation on each side 21 mA typical idle, low or full speed mode supply current 48 mA typical idle, high speed mode supply current Ultra low power standby in USB 2.0 suspend (L2) or disconnect 1.7 mA typical low power standby, upstream supply current 20 μA typical low power standby, downstream supply current ±6000 V IEC 61000-4-2 ESD protection across the isolation barrier Passed CISPR32/EN55032 Class B emissions High common-mode transient immunity: 50 kV/μs typical Safety and regulatory approvals (pending) UL (pending): 3750 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A (pending) IEC 62368-1, IEC 61010-1, and IEC60601-1 VDE certificate of conformity (pending) DIN V VDE V 0884-11 (VDE V 0884-11):2017-01 VIORM = 849 VPEAK (working voltage) Operating temperature range: −55°C to +125°C Compact 20-lead SSOP with 5.3 mm creepage and clearance

Triple-Channel, Digital Isolator, Enhanced System-Level ESD Reliability (2/1 channel directionality) Features: Enhanced system-level ESD performance per IEC 61000-4-x Low power operation 5 V operation 2.0 mA per channel maximum at 0 Mbps to 2 Mbps 4.1 mA per channel maximum at 10 Mbps 36 mA per channel maximum at 90 Mbps 3.3 V operation 1.0 mA per channel maximum at 0 Mbps to 2 Mbps 2.8 mA per channel maximum at 10 Mbps 17 mA per channel maximum at 90 Mbps Bidirectional communication 3.3 V/5 V level translation High temperature operation: 105°C High data rate: dc to 90 Mbps (NRZ) Precise timing characteristics 2 ns maximum pulse width distortion 2 ns maximum channel-to-channel matching High common-mode transient immunity: >25 kV/μs Output enable function 16-lead SOIC wide body, RoHS-compliant package Safety and regulatory approvals UL recognition: 2500 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A VDE Certificate of Conformity DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12 VIORM = 560 V peak CQC Certification per GB4943.1-2011

Isolated Switching Regulators (3/1 Channel Directionality) Features: Isolated PWM Controller Integrated transformer driver Regulated adjustable output: 3.3 V to 24 V 2 W output power 70% efficiency at guaranteed load of 400 mA at 5.0 V output Quad dc-to-25 Mbps (NRZ) signal isolation channels 20-lead SSOP package High temperature operation: 105°C High common-mode transient immunity: >25 kV/μs 200 kHz to 1 MHz adjustable oscillator frequency Soft start function at power-up Pulse-by-pulse overcurrent protection Thermal shutdown 2500 V rms isolation Evaluation Board available Automotive Qualified