4A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter Features:4A Output Current2.25V to 5.5V Input Voltage RangeLow Output Ripple Burst Mode® Operation: IQ = 75μA±1% Output Voltage AccuracyOutput Voltage Down to 0.6VHigh Efficiency: Up to 95%Low Dropout Operation: 100% Duty CycleProgrammable Slew Rate on SW Node Reduces Noise and EMIAdjustable Switching Frequency: Up to 4MHzOptional Active Voltage Positioning (AVP) with Internal CompensationSelectable Pulse-Skipping/Forced Continuous/Burst Mode Operation with Adjustable Burst ClampProgrammable Soft-StartInputs for Start-Up Tracking or External ReferenceDDR Memory Mode, IOUT = ±3AAvailable in a 24-Pin 3mm × 5mm QFN Thermally Enhanced Package

Independent Multicell Battery Stack Fault Monitor Features: Qualified for Automotive Applications Monitors Up to 12 Li-Ion Cells in Series (60V Max) Stackable Architecture Enables > 1000V Systems 1% Maximum Overvoltage Detection Level Error Adjustable Overvoltage and Undervoltage Detection Self Test Features Guarantee Accuracy Robust Fault Detection Using Differential Signals Simple Pin-Strapped Configuration Allows Battery Monitoring without a Microcontroller 15.5ms to Monitor All Cells in a System Programmable Response Time Two Temperature Monitor Inputs Low Power Idle Mode 36-Lead SSOP Package

Dual 13A or Single 26A DC/DC Module (Power Module) Regulator Features: Complete Standalone Dual Output Power Supply Dual 13A or Single 26A Output Wide Input Voltage Range: 4.5V to 16V Output Voltage Range: 0.6V to 2.5V ±1.5% Maximum Total DC Output Error Multiphase Current Sharing with Multiple LTM4620s Up to 100A Differential Remote Sense Amplifier Current Mode Control/Fast Transient Response Adjustable Switching Frequency Overcurrent Foldback Protection Frequency Synchronization Internal Temperature Monitor Output Overvoltage Protection SnPb or RoHS Compliant Finish Thermally Enhanced (15mm × 15mm × 4.41mm) LGA Package and (15mm × 15mm × 5.01mm) BGA Package

Low IQ, Dual 2-Phase Synchronous Step-Down Controller Features: Low Operating IQ: 170μA (One Channel On) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V Wide VIN Range: 4V to 38V RSENSE or DCR Current Sensing Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise OPTI-LOOP® Compensation Minimizes COUT Phase-Lockable Frequency (75kHz-850kHz) Programmable Fixed Frequency (50kHz-900kHz) Selectable Continuous, Pulse-Skipping or Burst Mode® Operation at Light Loads Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start Power Good Output Voltage Monitor Output Overvoltage Protection Output Latch-Off Protection During Short Circuit Low Shutdown IQ: 8μA Internal LDO Powers Gate Drive from VIN or EXTVCC No Current Foldback During Start-Up Small 5mm × 5mm QFN Package

High Efficiency, Synchronous, 4-Switch Buck-Boost Controller Features: Single Inductor Architecture Allows VIN Above, Below or Equal to the Regulated VOUT Programmable Input or Output Current Wide VIN Range: 4V to 38V 1% Output Voltage Accuracy: 0.8V < VOUT < 38V Synchronous Rectification: Up to 98% Efficiency Current Mode Control Phase-Lockable Fixed Frequency: 200kHz to 600kHz No Reverse Current During Start-Up Power Good Output Voltage Monitor Internal 5.5V LDO Quad N-Channel MOSFET Synchronous Drive VOUT Disconnected from VIN During Shutdown True Soft-Start and VOUT Short Protection, Even in Boost Mode Available in 28-Lead QFN (4mm × 5mm) and 28-Lead SSOP Packages

Monolithic Dual Tracking 3A Step-Down Switching Regulator Features: Wide Input Range: – Operation from 3V to 60V Independent Supply, Shutdown, Soft-Start, UVLO, Programmable Current Limit and Programmable Power Good for Each 3A Regulator Die Temperature Monitor Adjustable/Synchronizable Fixed Frequency Operation from 250kHz to 2MHz with Synchronized Clock Output Independent Synchronized Switching Frequencies Optimize Component Size Antiphase Switching Outputs Can Be Paralleled Flexible Output Voltage Tracking Low Dropout: 95% Maximum Duty Cycle 5mm × 5mm QFN Package FMEA Compliant 38-Pin Exposed Pad TSSOP Package

10 Volt Precision Reference Series Features:Very High Accuracy: 10,000 Volts 2.5mV (L and U)Low Temperature Coefficient: 3ppm/CPerformance Guaranteed -55C to +125C10mA Output Current CapabilityLow NoiseShort Circuit ProtectedAvailable as /883B

Ultracompact 1.5 A Thermoelectric Cooler (TEC) Controller Features: Patented high efficiency single inductor architecture Integrated low RDSON MOSFETs for the TEC controller TEC voltage and current operation monitoring No external sense resistor required Independent TEC heating and cooling current limits settings Programmable maximum TEC voltage 2.0 MHz PWM driver switching frequency External synchronization Two integrated zero drift, rail-to-rail chopper amplifiers Capable of NTC or RTD thermal sensors 2.50 V reference output with 1% accuracy Temperature lock indicator Available in a 25-ball, 2.5 mm × 2.5 mm WLCSP or in a 24-lead, 4 mm × 4 mm LFCSP AEC-Q100 qualified for automotive applications

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

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