Nanopower Buck-Boost DC/DC with Energy Harvesting Battery Life Extender Features: Dual Input, Single Output DC/DCs with Input Prioritizer Energy Harvesting Input: 3.0V to 19V Buck DC/DC Primary Cell Input: 1.8V to 5.5V Buck-Boost DC/DC Zero Battery IQ When Energy Harvesting Source is Available Ultralow Quiescent Current: 750nA at No-Load Low Noise LDO Post Regulator Integrated Supercapacitor Balancer Up to 50mA of Output Current Programmable DC/DC and LDO Output Voltages, Buck UVLO, and Buck-Boost Peak Input Current Integrated Low Loss Full-Wave Bridge Rectifier Input Protective Shunt: Up to 25mA at VIN ≥ 20V 5mm × 5mm QFN-32 Package

High Efficiency Bidirectional Multicell Battery Balancer Features: Bidirectional Synchronous Flyback Balancing of Up to 6 Li-Ion or LiFePO4 Cells in Series Up to 10A Balancing Current (Set by Externals) Integrates Seamlessly with the LTC680x Family of Multicell Battery Stack Monitors Bidirectional Architecture Minimizes Balancing Time and Power Dissipation Up to 92% Charge Transfer Efficiency Stackable Architecture Enables >1000V Systems Uses Simple 2-Winding Transformers 1MHz Daisy-Chainable Serial Interface with 4-Bit CRC Packet Error Checking High Noise Margin Serial Communication Numerous Fault Protection Features 48-Lead Exposed Pad QFN and LQFP Packages AEC-Q100 Qualified for Automotive Applications

15.1 GHz to 32 GHz, Tunable Band-Pass Filter Features:Amplitude settling time: 200 ns typicalWideband rejection: 30 dBSingle chip implementation40-lead, 6 mm 6 mm, RoHS compliant LFCSP

2 GHz to 18 GHz, Digitally Tunable, High-Pass and Low-Pass Filter Features: Digitally tunable, multioctave, high-pass and low-pass tuning Independent 3 dB frequency control for up to 4 GHz of bandwidth Optimal wideband rejection: 35 dB Single chip replacement for discrete filter banks Compact 9 mm × 9 mm, 56-terminal LGA packageENHANCED PRODUCT FEATURES Supports defense and aerospace applications (AQEC standard Military temperature range of −55°C to +105°C Controlled manufacturing baseline One assembly and test site One fabrication site Production change notification Qualification data available on request V62/21604

5.7 kV RMS/1.5 kV RMS, Quad-Channel LVDS 2.5 Gigabit Isolator (0 Reverse Channels) Features: 5.7 kV rms and 1.5 kV rms LVDS isolators Complies with TIA/EIA-644-A LVDS signal levels Quad-channel configuration Any data rate up to 2.5 Gbps switching with low jitter 10 Gbps total bandwidth across four channels 2.15 ns typical propagation delay Typical jitter: 0.82 ps rms random, 40 ps total peak Lower power 1.8 V supplies ±8 kV IEC 61000-4-2 ESD protection across isolation barrier High common-mode transient immunity: 100 kV/μs typical Safety and regulatory approvals (28-lead SOIC_W_FP package) UL (pending): 5700 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A (pending) VDE certificate of conformity (pending) DIN V VDE V 0884-11 (VDE V 0884-11):2017-01 VIORM = 849 VPEAK (working voltage) Enable or disable refresh (low speed output correctness check) Operating temperature range: −40°C to +125°C 28-lead, wide-body, finer pitch SOIC_W_FP package with 8.3 mm creepage and clearance or 6 mm × 6 mm LFCSP package with 1.27 mm creepage and clearance

5 kV RMS/3.75 kV RMS, Dual LVDS Gigabit Isolator (0 Reverse Channels) Features: 5 kV rms and 3.75 kV rms LVDS isolators Complies with TIA/EIA-644-A LVDS standard Multiple dual-channel configurations Any data rate up to 1.1 Gbps switching with low jitter 4 ns typical propagation delay 2.6 ps rms typical random jitter, rms 90 ps typical peak-to-peak total jitter at 1.1 Gbps 2.5 V or 3.3 V supplies −75 dBc power supply ripple rejection, phase spur level Glitch immunity ±8 kV IEC 61000-4-2 ESD protection across isolation barrier High common-mode transient immunity: >25 kV/μs Passes EN 55022 Class B radiated emissions limits with 1.1 Gbps PRBS Safety and regulatory approvals (20-lead SOIC_W package) UL (pending): 5000 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A (pending) VDE certificate of conformity (pending) DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 424 VPEAK Fail-safe output high for open, short, and terminated input conditions (ADN4655/ADN4656) Operating temperature range: −40°C to +125°C 7.8 mm minimum creepage and clearance

Dual, 3 V, CMOS, LVDS High Speed Differential Driver Features:15 kV ESD protection on output pins600 Mbps (300 MHz) switching ratesFlow-through pinout simplifies PCB layout300 ps typical differential skew700 ps maximum differential skew1.5 ns maximum propagation delay3.3 V power supply355 mV differential signalingLow power dissipation: 23 mW typicalInteroperable with existing 5 V LVDS receiversConforms to TIA/EIA-644 LVDS standardIndustrial operating temperature range (40C to +85C)

Three-Channel, Isolated Micropower Management Unit with Seven Digital Isolators Features: Wide input supply voltage range: 4.5 V to 60 V Integrated flyback power switch Generates isolated, independent bipolar outputs and factory programmable buck output VOUT1: 21 V, 24 V or 6 V to 28 V VOUT2: 5.15 V, 5.0 V, or 3.3 V VOUT3: −24 V to −5 V Uses a 1:1 ratio transformer for simplified transformer design Peak current limiting and OVP for flyback, buck, and inverting regulators Precision enable input and power-good output Adjustable switching frequency via SYNC input Internal compensation and soft start control per regulator High speed, low propagation delay, SPI signal isolation channels Three, 100 kbps general-purpose isolated data channels 9 mm × 7 mm LFCSP form factor enables small overall solution size −40°C to +125°C operating junction temperature range Conforms to CISPR11 Class B radiated emission limits Safety and regulatory approvals (pending) UL recognition: 2500 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A 300 V rms basic insulation between slave, master, and field power domains (IEC 61010-1, pending) VDE certificate of conformity DIN V VDE 0884-10 (VDE 0884-10):2006-12 VIORM = 565 VPEAK

Two-Channel, Isolated Micropower Management Unit with Seven Digital Isolators Features: Wide input supply voltage range: 4.5 V to 60 V Integrated flyback power switch Generates two isolated, well regulated independent outputs VOUT1: 24 V or 6 V to 28 V VOUT2: 3.3 V, 5.0 V, or 5.15 V Uses a 1:1 ratio transformer for simplified transformer design Peak current limiting and OVP for flyback and buck regulators Precision enable input and power-good output Adjustable switching frequency via SYNC input Internal compensation and soft start control per regulator High speed, low propagation delay, SPI signal isolation channels Three 100 kbps general-purpose isolated data channels 41-lead, 9 mm × 7 mm LFCSP form factor enables small overall solution size −40°C to +125°C operating junction temperature range Safety and regulatory approvals (pending) CISPR11 Class B radiated emission UL recognition: 2500 V rms for 1 minute duration per UL 1577 CSA Component Acceptance Notice 5A 300 V rms basic insulation between slave, master, and field power domains (IEC 61010-1, pending) VDE certificate of conformity DIN V VDE 0884-10 (VDE 0884-10):2006-12 VIORM = 565 VPEAK

Digital Controller for Power Supply Applications with PMBus Interface Features: −40°C to +125°C operation with EEPROM data retention of 15 years at 125°C PMBus Revision 1.2 compliant 32-bit password protection with command masking 64 address selections (16 base addresses, expandable to 64) 6 PWM control signals, 625 ps resolution Duty cycle double update rate Digital control loop (PID + additional pole or zero configurability) Programmable loop filters (CCM, DCM, low/normal temperature) Frequency synchronization Soft start and soft stop functionality Average and peak constant current mode External PN junction temperature sensing 4 GPIOs (2 GPIOs configurable as active clamp snubber PWMs) Fast line voltage feedforward Adaptive dead time compensation for improved efficiency Extended black box data recorder for fault recording See datasheet for additional features