Ultralow Power, 3-Lead, SOT-23, Microprocessor Reset Circuit, Active-Low Open-Drain Output, 1 A Supply Current Features: Ultralow supply current of 1 μA maximum (ADM6326/ADM6328) Accurate monitoring of 2.5 V, 3 V, 3.3 V, and 5 V rails Reset thresholds available in increments from 2.2 V to 4.63 V Glitch immunity from negative-going VCC transients 2 reset output options Push-pull RESET (ADM6326/ADM6346) Open-drain RESET (ADM6328/ADM6348) Minimum reset timeout of 100 ms Operating temperature range of −40°C to +85°C 3-lead SOT-23 package

Integrated Circuit True RMS-to-DC Converter

Hot Swap Controller and I2C Power Monitor Features: Allows safe board insertion and removal from a live backplane  Controls supply voltages from 3.15 V to 16.5 V  Precision current sense amplifier  Precision voltage input  12-bit ADC for current and voltage readback  Charge pumped gate drive for external N-channel FET  I2C fast mode-compliant interface (400 kHz maximum) Adjustable analog current limit with circuit breaker  ±3% accurate hot swap current limit level  Fast response limits peak fault current  Automatic retry or latch-off on current fault  Programmable hot swap timing via TIMER pin  Active-high ON pin  2 address pins allow 16 devices on the same bus 10-lead MSOP

0.8% Accurate Quad UV/OV Positive/Negative Voltage Supervisor Features: Chinese data sheet availableQuad undervoltage/overvoltage (UV/OV) positive/negative supervisorSupervises up to two negative railsAdjustable UV and OV input thresholdsIndustry leading threshold accuracy over the extended temperature range: 0.8%1 V buffered reference outputOpen-drain UV and OV reset outputsAdjustable reset timeout with disable optionOutputs guaranteed down to VCC of 1 VPlease see data sheet for additional features

Low Noise Micropower Precision Voltage Reference (2.5 V) Features: Supply Range 2.8 V to 15 V, ADR291 4.4 V to 15 V, ADR292 Supply Current 12 µA Max Low-Noise 8 µV and 12 µVP-P (0.1 Hz to 10 Hz) High Output Current 5 mA Temperature Range -40ºC to +125ºC Pin Compatible with REF02 / REF191

High Accuracy Ultralow Quiescent Current, 1A, anyCAP Dropout Regulator Features: High Accuracy Over Line and Load: ±0.8% @ 25°C, ±1.4% Over Temperature Ultralow Dropout Voltage: 190 mV (Typ) @ 1 A Requires Only CO = 1 µF for Stability anyCAP = Stable with Any Type of Capacitor (Including MLCC) Current and Thermal Limiting Low Noise 2.7 V to 8 V Supply Range –40°C to +85°C Ambient Temperature Range SOT-223 Package

4.0 Gbps Dual Driver

Compact, 800 mA, 3 MHz, Step-Down DC-to-DC Converter Features: Input voltage: 2.3 V to 5.5 V Peak efficiency: 95% 3 MHz fixed frequency operation Typical quiescent current: 24 μA Very small solution size 6-lead, 1 mm × 1.5 mm WLCSP package Fast load and line transient response 100% duty cycle low dropout mode Internal synchronous rectifier, compensation, and soft start Current overload and thermal shutdown protections Ultralow shutdown current: 0.2 μA (typical) Forced PWM and automatic PWM/PSM modes Supported by ADIsimPower™ design tool

Compact, 800 mA, 3 MHz, Step-Down DC-to-DC Converter with an Internal Discharge Switch Features: Input voltage: 2.3 V to 5.5 V Peak efficiency: 95% 3 MHz fixed frequency operation Typical quiescent current: 24 μA Very small solution size 6-lead, 1 mm × 1.5 mm WLCSP package Fast load and line transient response 100% duty cycle low dropout mode Internal synchronous rectifier, compensation, and soft start Current overload and thermal shutdown protections Ultralow shutdown current: 0.2 μA (typical) Forced PWM and automatic PWM/PSM modes Supported by ADIsimPower™ design tool

Ultralow Noise, LDO XFET 3.0V Voltage Reference w/Current Sink and Source Features: Ultralow noise (0.1 Hz to 10 Hz) ADR440: 1 μV p-p ADR441: 1.2 μV p-p ADR443: 1.4 μV p-p ADR444: 1.8 μV p-p ADR445: 2.25 μV p-p Superb temperature coefficient A Grade: 10 ppm/°C B Grade: 3 ppm/°C Low dropout operation (supply voltage headroom): 500 mV Input range: (VOUT + 500 mV) to 18 V High output source and sink current +10 mA and −5 mA, respectively Wide temperature range: −40°C to +125°C