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

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

Microprocessor Supervisory Circuit Features:Pin-compatible with MAX1232 and Dallas DS1232Adjustable precision voltage monitor with 4.5 V and 4.75 V optionsAdjustable strobe monitor with 150 ms, 600 ms, or 1.2 sec optionsNo external componentsSpecified from 40C to +85C

Ultra-Low-Noise, High-Accuracy 4.096V Voltage Reference Features: Maximum temperature coefficient (TCVOUT): 0.8 ppm/°C (D grade 0°C to 70°C) 1 ppm/°C (C grade 0°C to 70°C) 2 ppm/°C (B grade −40°C to +125°C) 4 ppm/°C (A grade 40°C to +125°C) Output noise (0.1 Hz to 10 Hz): 1 μV p-p at VOUT of 2.048 V typical Initial output voltage error: B, C, D grade: ±0.02% (maximum) Input voltage range: 3 V to 15 V Operating temperature: A grade and B grade: −40°C to +125°C C grade: 0°C to +70°C Output current: +10 mA source/−10 mA sink Low quiescent current: 950 μA (maximum) Low dropout voltage: 300 mV at 2 mA (VOUT ≥ 3 V) 8-lead SOIC package and LCC package AEC-Q100 qualified for automotive applications Long-term drift: 8 ppm typical at 4500 hours

42V, 750mA Step-Down Regulator with 2.5A Quiescent Current and Integrated Diodes Features: Ultralow Quiescent Current 2.5μA IQ at 12VIN to 3.3VOUT Low Ripple Burst Mode® Operation Output Ripple < 10mVP-P Wide Input Voltage Range: 4.2V to 42V Operating Adjustable Switching Frequency: 200kHz to 2.2MHz Integrated Boost and Catch Diodes 750mA Output Current Excellent Start-Up and Dropout Performance Fixed Output Voltages: 3.3V, 5V 1.9μA IQ at 12VIN Accurate Programmable Undervoltage Lockout Low Shutdown Current: IQ = 0.75μA Internal Catch Diode Current Limit Power Good Flag Thermal Shutdown Small, Thermally Enhanced 10-Lead MSOP and (3mm × 3mm) DFN Packages

High Efficiency, Secondary-Side Synchronous Forward Controller Features: Direct Flux Limit™ Guarantees No Saturation Fast and Accurate Average Current Limit Clean Start-Up Into Pre-Biased Output Secondary-Side Control for Fast Transient Response Simple, Self-Starting Architecture Synchronous MOSFET Reverse Current Limit PolyPhase® Operation Eases High-Power Design True Remote Sense Differential Amplifier Remote Sense Reverse Protection High Voltage Linear Regulator Controller Internal LDO Powers Gate Drive from VOUT Overtemperature/Overvoltage Protection Low Profile 4mm × 5mm QFN and Narrow 28-Lead SSOP Packages

Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management Features: PMBus/I2C Compliant Serial Interface Telemetry Read Back includes VIN, IIN, VOUT, IOUT, Temperature and Faults Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV and Frequency Synchronization (250kHz to 1MHz) ±0.5% Output Voltage Accuracy Over Temperature Integrated 16-Bit ADC Internal EEPROM with ECC and Fault Logging Integrated Powerful N-Channel MOSFET Gate Drivers Power Conversion Wide VIN Range: 4.5V to 24V VOUT Range: 0.5V to 5.4V (4V on VOUT0) Analog Current Mode Control Loop Accurate PolyPhase® Current Sharing for Up to 6 Phases Available in a 40-Pin (6mm × 6mm) QFN Package AEC-Q100 Qualified for Automotive Applications

Dual, 2-Phase Synchronous Step-Down DC/DC Controllers Features: Dual, 180° Phased Controllers Reduce Required Input Capacitance and Power Supply Induced Noise Accurate Multiphase Current Matching RSENSE or DCR Current Sensing ±0.75% 0.6V Output Voltage Accuracy Phase-Lockable Fixed Frequency 250kHz to 780kHz High Efficiency: Up to 95% Dual N-channel MOSFET Synchronous Drive Wide VIN Range: 4V to 38V (40V Max) Operation Wide VOUT Range: 0.6V to 12.5V Operation Adjustable Soft-Start Current Ramping or Tracking Foldback Output Current Limiting Output Overvoltage Protection Power Good Output Voltage Monitor 5V Low Dropout Regulator Small 28-Lead QFN and Narrow SSOP Packages

100VIN Micropower Isolated Flyback Converter with 150V/260mA Switch Features: 6V to 100V Input Voltage Range 260mA, 150V Internal DMOS Power Switch Low Quiescent Current 70µA in Sleep Mode 330µA in Active Mode Boundary Mode Operation at Heavy Load Low-Ripple Burst Mode® Operation at Light Load Minimum Load <0.5% (Typ) of Full Output VOUT Set with a Single External Resistor No Transformer Third Winding or Opto-Isolator Required for Regulation Accurate EN/UVLO Threshold and Hysteresis Internal Compensation and Soft-Start 5-Lead TSOT-23 Package AEC-Q100 Qualified for Automotive Applications

SMBus Programmable CCFL Switching Regulator Features: Wide Battery Input Range: 4.5V to 30V Grounded Lamp or Floating Lamp Configurations Open Lamp Protection Precision 100µA Full-Scale DAC Programming Current 2-Wire SMBus Interface Two Selectable SMBus Addresses DAC Setting Is Retained in Shutdown