Very Low Quiescent Current, 150 mA, LDO Regulator Features: Very low quiescent current IQ = 590 nA with 0 µA load IQ = 890 nA with 1 µA load Maintains very low quiescent current in dropout (pass through mode): IQ_DROP = 720 nA with 0 µA load IQ_DROP = 1200 nA with 1 µA load Stable with 1 µF ± 30% ceramic input and output capacitors Maximum load current: ILOAD_MAX: 150 mA Input voltage range: 2.2 V to 5.5 V Low shutdown current: 50 nA typical Low dropout voltage: 120 mV at 150 mA load Initial output voltage accuracy: ±1% Accuracy over line, load, and temperature: ±3.5% 7 fixed output voltage options: 1.2 V to 3.3 V Adjustable output option can be set from 1.2 V to 4.2 V See data sheet for additional features

800 mA, Ultra Low Noise/High PSRR LDO Features: Input voltage range: 4.5 V to 16 V Maximum output current: 800 mA Low Noise: 1.0 μVRMS Total Integrated Noise from 100 Hz to 100 KHz 1.6 μVRMS Total Integrated Noise from 10 Hz to 100 KHz Noise Spectral Density <1.7nV√Hz above 10 KHz PSRR of >90 dB from 1 KHz to 100 KHz, >60dB @ 1 MHz, VOUT = 5V Dropout voltage: 600 mV @ VOUT = 5 V/800 mA load Initial accuracy: ±1% Accuracy over line, load, and temperature: ±2% Quiescent Current, IGND = 4.3 mA @ No Load Low shutdown current: 0.1 μA Stable with a 10 μF ceramic output capacitor Fixed output voltage options: 1.8 V, 2.8 V, 3.0 V, 3.3 V and 5.0 V (16 outputs between 1.5 V and 5.0 V are available) 8-lead LFCSP package and SOIC package

Cascadable Super Sequencer with Margin Control and Fault Recording Features: Complete supervisory and sequencing solution for up to 17 supplies Expandable to 257 supplies with additional ADM1266 ICs connected to the 2-wire interdevice bus Fully programmable sequencing engine 17 supply fault detectors enable real time supervision of supplies 0.4 V to 15 V on VH1 to VH4 (VHx) 0.4 V to 5 V on VP1 to VP13 (VPx) Device powered by the higher of VH1 and VH2 inputs for improved operating redundancy 12-bit ADC for readback of all supervised voltages Black box nonvolatile fault recording 16 PDIOs 9 GPIOs 9 voltage output 8-bit DACs allow voltage margining adjustment via dc-to-dc converter trim/feedback node Main and backup memory Industry standard PMBus interface compliant Available in a 9 mm × 9 mm, 64-lead package

Supervisory Circuit with Manual Reset, Active-Low Open-Drain and Active-High Push-Pull Reset Outputs Features: 27 reset threshold options 2.5 V to 5 V in 100 mV increments 4 reset timeout options 1 ms, 20 ms, 140 ms, and 1120 ms (minimum) 4 watchdog timeout options 6.3 ms, 102 ms, 1.6 sec, and 25.6 sec (typical) Manual reset input Multiple reset output options Low power consumption Specified over wide temperature range (−40°C to +125°C) Qualified for automotive applications 5-lead SOT-23 package

Isolated, Synchronous Forward Controller with Active Clamp and iCoupler Features: Current mode controller for active clamp forward topology Integrated 5 kV (wide body SOIC package) or 3.0 kV (LGA package) rated dielectric isolation voltage with Analog Devices, Inc., patented iCoupler technology Wide voltage supply range Primary VIN: up to 60 V Secondary VDD2: up to 36 V Integrated 1 A primary side MOSFET driver for power switch and active clamp reset switch Integrated 1 A secondary side MOSFET drivers for synchronous rectification Integrated error amplifier and <1% accurate reference voltage Programmable slope compensation Programmable frequency range: 50 kHz to 600 kHz typical Frequency synchronization Programmable maximum duty cycle limit Programmable soft start Smooth soft start from precharged load Programmable dead time Power saving light load mode using MODE pin Protection features such as short circuit, output overvoltage, and overtemperature protection Cycle-by-cycle input overcurrent protection Precision enable UVLO with hysteresis PGOOD pin for system flagging Tracking function from secondary side Remote (secondary side) shutdown/reset function Safety and regulatory approvals (pending) UL recognition 5000 V rms for 1 minute per UL 1577 (for wide body SOIC package) 3000 V rms for 1 minute per UL 1577 (for LGA package) CSA component acceptance notice 5A VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 849 V peak (for wide body SOIC package) VIORM = 560 V peak (for LGA package) CQC certification per GB4943.1-2011 Available in 24-lead SOIC_W package and 24-terminal LGA package AEC-Q100 Qualified for Automotive Applications

3 A, Low VIN, Low Noise, CMOS Linear Regulator Features: 3 A maximum output current Low input voltage supply range VIN = 1.10 V to 1.98 V, no external bias supply required Fixed output voltage range: VOUT_FIXED = 0.9 V to 1.5 V Adjustable output voltage range: VOUT_ADJ = 0.5 V to 1.5 V Ultralow noise: 2 μV rms, 100 Hz to 100 kHz Noise spectral density 4 nV/√Hz at 10 kHz 3 nV/√Hz at 100 kHz Low dropout voltage: 95 mV typical at 3 A load Operating supply current: 4.5 mA typical at no load ±1.5% fixed output voltage accuracy over line, load, and temperature Excellent power supply rejection ratio (PSRR) performance 59 dB typical at 10 kHz at 3 A load 43 dB typical at 100 kHz at 3 A load Excellent load/line transient response Soft start to reduce inrush current Optimized for small 10 μF ceramic capacitors Current-limit and thermal overload protection Power-good indicator Precision enable 16-lead, 3 mm × 3 mm LFCSP package AEC-Q100 qualified for automotive applications

4-PIN MICRO PROCESSOR VOLTAGE MONITOR;

LDO Voltage Regulators 500 mA CMOS LDO Vout 0.8V ETR

Switching Controllers Buck Regulator

High Performance 800 V Off-line Switcher with HV Startup and SenseFET 800V FET Switcher -8-Ohm/100 kHz - DIP-7