Open-Drain Microprocessor Supervisory Circuit in 4-Lead SOT-143

6.5V, 4 A, High Efficiency, Step-Down DC-to-DC Regulator Features: 4 A continuous output current 43 mΩ and 29 mΩ integrated FET ±1.5% output accuracy Input voltage range: 2.7 V to 6.5 V Output voltage: 0.6 V to VIN Switching frequency Fixed frequency: 600 kHz or 1.2 MHz Adjustable frequency: 500 kHz to 1.4 MHz Synchronizable from 500 kHz to 1.4 MHzSelectable synchronize phase shift: 0° or 180° Current mode architecture Precision enable input Power-good output Voltage tracking input Integrated soft start Internal compensation Starts up into a precharged output UVLO, OVP, OCP, and thermal shutdown Available in 16-lead, 4 mm × 4 mm LFCSP package Supported by ADIsimPower™ design tool

20 V, 500 mA, Low Noise, CMOS LDO Features: Input voltage range: 3.3 V to 20 V Maximum output current: 500 mA Low Noise: 15 μV rms for fixed output versions PSRR Performance of 60 dB at 10 kHz, VOUT = 3.3 V Reverse current protection Low dropout voltage: 350 mV at 500 mA Initial accuracy: ±0.8% Accuracy over line, load, and temperature −2% to +1%, TJ = −40°C to +125°C −1.25% to +1%, TJ = 0°C to +85°C Low quiescent current (VIN = 5 V), IGND = 900 μA with 500 mA load Low shutdown current: <40 μA at VIN = 12 V, stable with small 1 μF ceramic output capacitor 7 fixed output voltage options: 1.5 V, 1.8 V, 2.5 V, 3 V, 3.3 V, 5 V, and 9 V Adjustable output from 1.22 V to VIN − VDO Foldback current limit and thermal overload protection User programmable precision UVLO/enable Power-good indicator 8-lead LFCSP and 8-lead SOIC packages

Non-Isolated PoL Module DC DC Converter 3 Output 0.8 ~ 5.5V 0.8 ~ 5.5V 0.8 ~ 13.5V 5A, 5A, 4A 4.75V - 28V Input

Secondary-Side Controller with Current Share and Housekeeping Features:Power Supply Control and Housekeeping FunctionsDigital Calibration via Internal EEPROMI2C Communications and Programming InterfaceComprehensive Fault Detection and Protection Reduced Component Count on Secondary Side Standalone or Microcontroller Control Supports Server System Infrastructure Specification Generates Error Signal for Primary-side PWMOutput Voltage Adjustment and MarginingAnalog Current SharingCurrent-limit AdjustmentOrFET ControlProgrammable Soft-Start Slew Rate

High Accuracy Ultralow IQ, 300 mA, anyCAP Low Dropout Regulator Features:High Accuracy over line and load: 0.8% @ 25C, 1.8% over temperatureUltralow dropout voltage: 230 mV (Max) @ 300 mARequires only COUT = 1.0 F for stabilityanyCAP is stable with any type of capacitor (including MLCC)Current and thermal limitingLow noiseLow shutdown current: 2.6 V to 12 V supply range40C to +85C ambient temperature rangeUltrasmall 8-Lead MSOP package

28 V, 200 mA, Low Noise, Linear Regulator Features: Low noise: 18 μV rms Power supply rejection ratio (PSRR): 66 dB at 10 kHz at VOUT = −3 V Positive or negative enable logic Stable with small 2.2 μF ceramic output capacitor Input voltage range: −2.7 V to −28 V Maximum output current: −200 mA Low dropout voltage: −185 mV at −200 mA load Initial accuracy: ±1% Accuracy over line, load, and temperature +2% maximum/−3% minimum Low quiescent current, IGND = −650 μA with −200 mA load Low shutdown current: −2 μA Adjustable output from −1.22 V to −VIN + VDO Current-limit and thermal overload protection 6- and 8-lead LFCSP and 5-lead TSOT Supported by ADIsimPower tool

Ultracompact, Precision 10.0 V Voltage Reference Features: Ultracompact SC70 and TSOT packages Low temperature coefficient 8-lead SOIC: 3 ppm/°C typical 5-lead SC70: 9 ppm/°C maximum 5-lead TSOT: 9 ppm/°C maximum Initial accuracy ±0.1% No external capacitor required Low noise 10 μV p-p, 0.1 Hz to 10.0 Hz (ADR02) Wide operating range ADR01: 12.0 V to 36.0 V ADR02: 7.0 V to 36.0 V ADR03: 4.5 V to 36.0 V ADR06: 5.0 V to 36.0 V High output current 10 mA Wide temperature range: –40°C to +125°C ADR01/ADR02/ADR03 pin compatible to industry-standard REF01/REF02/REF03 ADR01, ADR02, ADR03 and ADR06 SOIC (A grade) qualified for automotive applicationsADR01-EP supports defense and aerospace applications (AQEC standard) Download ADR01-EP data sheet (pdf) Military temperate range (−55°C to +125°C) Controlled manufacturing baseline One assembly/test site One fabrication site Enhanced product change notification Qualification data available on request V62/12658 DSCC Drawing Number

LT4276B, LT4321 Power over Ethernet (PoE) Power Management Evaluation Board

36VIN, 5A CVCC Step-Down Module (Power Module) Regulator Features: Complete Step-Down Switch Mode Power Supply Constant-Voltage Constant-Current Operation Selectable Output Current Up to 5A Parallelable for Increased Output Current, Even from Different Voltage Sources Wide Input Voltage Range: 6V to 36V 1.2V to 24V Output Voltage Selectable Switching Frequency: 100kHz to 1MHz SnPb or RoHS Compliant Finish Programmable Soft-Start (11.25mm × 15mm × 2.82mm) LGA and (11.25mm × 15mm × 3.42mm BGA Packages