Dual Monolithic Buck Regulator with Power-On Reset and Watchdog Timer Features: High Voltage Buck Regulator: 4V to 42V Operating Range 1.3A Output Current Input Transient Protection to 55V Low Voltage Synchronous Buck Regulator: 2.5V to 5.5V Input Voltage Range 1.1A Output Current Synchronizable, Adjustable 350kHz to 2.5MHz Switching Frequency Programmable Power-On Reset Timer Programmable Window Mode Watchdog Timer Typical Quiescent Current: 290μA Short-Circuit Robust Programmable Soft-Start Low Shutdown Current: IQ < 1μA Thermal Shutdown Available in Thermally Enhanced 28-Lead (4mm × 5mm) QFN and 28-Lead TSSOP Packages

2.7 V to 16 V Hot Swap Controller with Current Sense Output Features: Allows Safe Board Insertion and Removal from a Live Backplane Controls Supply Voltages from 2.7 V to 16.5V Current Sense Output Voltage Adjustable Analog Current Limit with Circuit Breaker Fast Response Limits Peak Fault Current Automatic Retry or Latch-Off On Current Fault Charge Pumped Gate Drive for External N-FET Switch True Soft Start Control of Initial Current Profile Undervoltage Lockout 8-pin TSOT Package

Isolated, Precision Gate Driver with 2 A Output Features: 2.3 A peak output current (<2 Ω RDSON_x) 2.5 V to 6.5 V VDD1 input 4.5V to 35 V VDD2 output  UVLO at 2.3 V VDD1 Multiple UVLO options on VDD2 Grade A—4.4 V (typical) positive going threshold Grade B—7.3 V (typical) positive going threshold Grade C—11.3 V (typical) positive going threshold Precise timing characteristics  79 ns maximum isolator and driver propagation delay falling edge (ADuM4120) CMOS input logic levels  High common-mode transient immunity: 150 kV/μs High junction temperature operation: 125°C  Default low output Safety and regulatory approvals (pending) UL recognition per UL 1577  5 kV rms for 1 minute SOIC long package CSA Component Acceptance Notice 5A  VDE certificate of conformity (pending) DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 849 V peak  8 mm creepage Wide body, 6-lead SOIC with increased creepage

Dual Channel 4A, 42V, Synchronous Step-Down Silent Switcher 2 with 6.2A Quiescent Current Features: Silent Switcher®2 Architecture: Ultralow EMI on Any PCB Eliminates PCB Layout Sensitivity Internal Bypass Capacitors Reduce Radiated EMI Optional Spread Spectrum Modulation 4A DC from Each Channel Simultaneously Up to 6A on Either Channel Ultralow Quiescent Current Burst Mode® Operation: 6.2μA IQ Regulating 12VIN to 5VOUT1 and 3.3VOUT2 Output Ripple <10mVP-P Forced Continuous Mode Optional External VC Pin: Fast Transient Response and Current Sharing (Extra 50µA IQ/Channel) High Efficiency at High Frequency 94.6% Efficiency at 2A, 5VOUT from 12VIN at 2MHz 93.3% Efficiency at 4A, 5VOUT from 12VIN at 2MHz Fast Minimum Switch-On Time: 40ns Wide Input Voltage Range: 3.0V to 42V Adjustable and Synchronizable: 300kHz to 3MHz Small 4mm × 6mm 32-Pin LQFN Package AEC-Q100 Qualified for Automotive Applications

140V High Efficiency Switching Surge Stopper Features: VOUT Clamp Stops High Voltage Input Surges 100% Duty Cycle Pass-Through Mode During Normal Operation Switches During Overvoltage or Overcurrent Transients and Faults and During Startup High Efficiency Switching Enables Long Duration Surge Protection and High Output Currents Wide VIN Range: 4V to 140V (150V Abs Max) Adjustable Output Voltage Clamp Up to 60V Adjustable Output Overcurrent Protection RSENSE or Inductor DCR Current Sensing Power Inductor Reduces Input EMI in Normal Mode Adjustable Soft-Start for Inrush Current Limiting Programmable Fault Timer Open-Drain Fault Warning Indicator 2.7% Retry Duty Cycle During Faults Adjustable Switching Frequency: 50kHz to to 900kHz Adjustable Input Voltage Turn-On Threshold Adjustable Input Overvoltage Lockout Threshold 20-Pin 4mm × 5mm QFN and TSSOP Packages

Anyside High Voltage Isolated Switch Controller with I2C Command and Telemetry Features: CSA (IEC/UL) Approved, File #255632 Reinforced Insulation Integrated Isolated Power Supply Adjustable Turn-On Ramp Rate and Current Limit I2C/SMBus Interface 10-Bit ADC Monitors Current and Two Uncommitted Channels High Common Mode Transient Immunity: ≥ 30kV/μs Fault Status Alert and Power Good Outputs Independent 3V to 5.5V Logic Supply ±20kV ESD Across the Isolation Barrier Maximum Continuous Working Voltage: 690VRMS 14.6mm Creepage Distance Low Current Shutdown Mode (<10μA) 22mm × 9mm × 5.16mm BGA Package

Ultralow Noise 1A Switching Regulator Features: Greatly Reduced Conducted and Radiated EMI (<100µVP-P in Typical Application) Low Switching Harmonic Content Independent Control of Switch Voltage and Current Slew Rates Two 1A Current Limited Power Switches Regulates Positive and Negative Voltages 20kHz to 250kHz Oscillator Frequency Easily Synchronized to External Clock Wide Input Voltage Range: 2.7V to 23V Low Shutdown Current: 12µA Typical Easier Layout than with Conventional Switchers Outputs Can Be Forced to 50% Duty Cycle for Unregulated Applications

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

Dual 25A or Single 50A DC/DC Module Regulator Features: Dual 25A or Single 50A Output Input Voltage Range: 4.5V to 15V Output Voltage Range: 0.6V to 1.8V ±1.5% Maximum Total DC Output Error Over Line, Load and Temperature Differential Remote Sense Amplifier Current Mode Control/Fast Transient Response Adjustable Switching Frequency Frequency Synchronization Overcurrent Foldback Protection Multiphase Parallel Current Sharing with Multiple LTM4650s Up to 300A Internal Temperature Monitor Pin Compatible with the LTM4620 (Dual 13A, Single 26A) and LTM4630 (Dual 18A, Single 36A) Selectable Burst Mode® Operation Soft-Start/Voltage Tracking Output Overvoltage Protection 16mm × 16mm × 5.01mm BGA Package

Low Cost, Low Power, True RMS-to-DC Converter Features: Converts an ac voltage waveform to a dc voltage and then converts to the true rms, average rectified, or absolute value 200 mV rms full-scale input range (larger inputs with input attenuator) High input impedance: 1012 Ω  Low input bias current: 25 pA maximum High accuracy: ±0.3 mV ± 0.3% of reading RMS conversion with signal crest factors up to 5 Wide power supply range: +2.8 V, −3.2 V to ±16.5 V Low power: 200 μA maximum supply current Buffered voltage output No external trims needed for specified accuracy Related device: the AD737 features a power-down control with standby current of only 25 μA; the dc output voltage is negative and the output impedance is 8 kΩ