Power Management IC Development Tools LT4276C/LT4321 Demo Board PoE (13W, 5V/2.3A) PD with Flyback DC/DC and Ideal Diode Bridge

PolyPhase, High Efficiency, Synchronous Step-Down Switching Regulator Features: Dual Controller Operates from One to Twelve Phases Reduces Required Input Capacitance and Power Supply Induced Noise Current Mode Control Ensures Current Sharing Phase-Lockable Fixed Frequency: 150kHz to 300kHz 1.8MHz Effective Switching Frequency True Remote Sensing Differential Amplifier OPTI-LOOP™ Compensation Reduces COUT ±1% Output Voltage Accuracy Power Good Output Voltage Monitor (LTC1629-PG) Wide VIN Range: 4V to 36V Operation Very Low Dropout Operation: 99% Duty Cycle Adjustable Soft-Start Current Ramping Internal Current Foldback Plus Shutdown Timer Overvoltage Soft-Latch Eliminates Nuisance Trips Micropower Shutdown Available in 28-Lead SSOP Package

25V, 600mA Buck-Boost DC/DC Converter with 1.6A Quiescent Current Features: Regulates VOUT Above, Below or Equal to VIN Wide VIN Range: 2.4V to 25V, <1V to 25V (Using EXTVCC Input) VOUT Range: 1V to 25V Adjustable Output Voltage (LTC3130) Four Selectable Fixed Output Voltages (LTC3130-1) 1.2µA No-Load Input Current in Burst Mode® Operation (VIN = 12V, VOUT = 5V) 600mA Output Current in Buck Mode Pin-Selectable 850mA/450mA Current Limit (LTC3130) Up to 95% Efficiency Pin-Selectable Burst Mode Operation 1.2MHz Ultralow Noise PWM Frequency Accurate RUN Pin Threshold n Power Good Indicator Programmable Maximum Power Point Control IQ = 500nA in Shutdown Thermally-Enhanced 20-Lead 3mm × 4mm QFN and 16-Lead MSOP Packages

Switching Voltage Regulators 800mA Buck AdjVoutt

Isolated Module DC DC Converter 2 Output 2.5 ~ 13V 1.2 ~ 12V 440mA, 300mA 3.1V - 32V Input

High Performance, Polyphase Energy, and Class S Power Quality Monitoring IC Features: 7 high performance, 24-bit Σ-Δ ADCs 101 dB SNR at 8 kSPS with PGA = 1 Wide input voltage range: ±1 V, 707 mV rms full scale at gain = 1 Differential inputs ±25 ppm/°C maximum channel drift (including ADC, internal VREF, PGA drift) enabling 10000:1 dynamic input range, Class 0.2 metrology with standard external components With the optional ADSW-PQ-CLS Power Quality Library, the complete IEC 61000-4-30 Class S power quality standard is implemented including: Power frequency 10 sec average Magnitude of the supply Dips and swells Interruptions Rapid voltage change Flicker Mains signaling voltage Underdeviation and overdeviation Voltage and current Magnitude Harmonics Interharmonics Unbalance THD Waveform recording Optional ADSW-PQ-CLS Power Quality Library compatible with ARM® Cortex microcontrollers VRMS one-cycle and IRMS one-cycle refreshed each cycle VRMS and IRMS filtered and updated every sample 10 cycle rms/12 cycle rms Period registers to calculate line frequency, one per phase Zero crossing and zero-crossing timeout Phase angle measurements Supports CTs Multipoint phase and gain compensations for CTs Rogowski coils with the addition of an external analog integrator Continuous resampled data available Waveform buffer Advanced metrology feature set Total and fundamental active power, volt amperes reactive (VAR), volt amperes (VA), watthour, VAR hour, and VA hour Total and fundamental IRMS and VRMS Power factor Supports active energy standards: IEC 62053-21 and IEC 62053-22, EN50470-3, OIML R46, and ANSI C12.20 Supports reactive energy standards: IEC 62053-23 and IEC 62053-24 High speed communication port: 20 MHz SPI Integrated temperature sensor with 12-bit successive approximation register (SAR) ADC ±3°C accuracy from −40°C to +85°C

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

High Voltage Input Protection Device Features: Controls supply voltages from 4 V to 60 V Gate drive for low voltage drop reverse supply protection Gate drive for P-channel FETs Inrush current limiting control Adjustable current limit Foldback current limiting Automatic retry or latch-off on current fault Programmable current-limit timer for safe operating area (SOA) Power-good and fault outputs Analog undervoltage (UV) and overvoltage (OV) protection 16-lead, 3 mm × 3 mm LFCSP 16-lead QSOP

High Voltage Input Protection Device Features: Controls supply voltages from 4 V to 60 V Gate drive for low voltage drop reverse supply protection Gate drive for P-channel FETs Inrush current limiting control Adjustable current limit Foldback current limiting Automatic retry or latch-off on current fault Programmable current-limit timer for safe operating area (SOA) Power-good and fault outputs Analog undervoltage (UV) and overvoltage (OV) protection 16-lead, 3 mm × 3 mm LFCSP 16-lead QSOP

High Voltage Input Protection Device Features: Controls supply voltages from 4 V to 60 V Gate drive for low voltage drop reverse supply protection Gate drive for P-channel FETs Inrush current limiting control Adjustable current limit Foldback current limiting Automatic retry or latch-off on current fault Programmable current-limit timer for safe operating area (SOA) Power-good and fault outputs Analog undervoltage (UV) and overvoltage (OV) protection 16-lead, 3 mm × 3 mm LFCSP 16-lead QSOP