Single Switch Synchronous Forward Controller Features: Synchronous Rectifier Control for High Efficiency Programmable Volt-Second Clamp Output Power Levels from 25W to 500W Low Current Start-Up (LT1952: 460µA; VIN On/Off = 14.25V/8.75V) (LT1952-1: 400µA; VIN On/Off = 7.75V/6.5V) True PWM Soft-Start Low Stress Short Circuit Protection Precision 107mV Current Limit Threshold Adjustable Delay for Synchronous Timing Accurate Shutdown Threshold with Programmable Hysteresis Programmable Slope Compensation Programmable Leading Edge Blanking Programmable Frequency (100kHz to 500kHz) Synchronizable to an External Clock up to 1.5 • fOSC Internal 1.23V Reference 2.5V External Reference Current Mode Control Small 16-Pin SSOP Package

Multiple Supply Hot Swap Controller with I2C Compatible Monitoring Features: Allows Safe Insertion into Live CompactPCI™ or PCI Express™ Backplane 8-Bit ADC Monitors Current and Voltage I2C™/SMBus Interface dI/dt Controlled Soft Start Simultaneous or Sequenced Turn-On ±20V Absolute Maximum Rating for ±12V Supplies No External Gate Capacitor Required Dual-Level Circuit Breaker and Current Limit Bus Precharge Output Power Good Input with Timeout Optional Latch-off or Autoretry After Faults Alerts Host After Faults Integrated LOCAL_PCI_RST# Logic 36-Pin SSOP and 38-Pin (5mm × 7mm) QFN Packages

Photoflash Charger with Adjustable Input Current and IGBT Driver Features: Adjustable Input Current Integrated IGBT Driver No Output Voltage Divider Needed Uses Small Transformers: 5.8mm × 5.8mm × 3mm Fast Photoflash Charge Times Charges Any Size Photoflash Capacitor Supports Operation from Single Li-Ion Cell, Two AA Cells or any Supply from 1.5V Up to 16V Small 10-Lead (3mm × 2mm) DFN Package

12-Bit, 210Msps ADC Features: Sample Rate: 210Msps 65.5dB SNR 78dB SFDR 1.2GHz Full Power Bandwidth S/H Single 2.5V Supply Low Power Dissipation: 585mW LVDS, CMOS, or Demultiplexed CMOS Outputs Selectable Input Ranges: ±0.5V or ±1V No Missing Codes Optional Clock Duty Cycle Stabilizer Shutdown and Nap Modes Data Ready Output Clock Pin Compatible Family 250Msps: LTC2242-12 (12-Bit), LTC2242-10 (10-Bit) 210Msps: LTC2241-12 (12-Bit), LTC2241-10 (10-Bit) 170Msps: LTC2240-12 (12-Bit), LTC2240-10 (10-Bit) 185Msps: LTC2220-1 (12-Bit) 170Msps: LTC2220 (12-Bit), LTC2230 (10-Bit) 135Msps: LTC2221 (12-Bit), LTC2231 (10-Bit) 64-Pin 9mm × 9mm QFN Package

>10 W (42 dBm), 2.7 GHz to 3.8 GHz, GaN Power Amplifier Features: High small signal gain: 34.5 dB typical High output power: 42 dBm typical at PIN = 18 dBm High PAE: 55% typical at PIN = 18 dBm Frequency range: 2.7 GHz to 3.8 GHz Supply voltage: VDD = 28 V at a quiescent current of 150 mA 5 mm × 5 mm, 32-lead LFCSP_CAV package

1 dB LSB Silicon MMIC 4-Bit Digital Positive Control Attenuator, 0.1 - 8 GHz Features: 1 dB LSB Steps to 15 dB ±0.2 dB Typical Step Error Low Insertion Loss: 1 dB High IP3: +50 dBm Single Control Line Per Bit TTL/CMOS Compatible Control Single +5V Supply 3x3 mm SMT Package

Low Noise Amplifier, 0.4 GHz to 11 GHz Features: Low noise figure: 1.4 dB typical Single positive supply (self biased) High gain: ≤15.5 dB typical High OIP3: ≤33 dBm typical RoHS-compliant, 2 mm × 2 mm, 6-lead LFCSPHMC8412TCPZ-EP Supports defense and aerospace applications (AQEC standard) Download the HMC8412TCPZ-EP data sheet (pdf) Military temperature range (−55°C to +125°C) Controlled manufacturing baseline 1 assembly/test site 1 fabrication site Product change notification Qualification data available on request V62/21602 DSCC Drawing Number

5.6 GHz to 8.6 GHz, GaAs, MMIC, I/Q Downconverter Features: Conversion gain: 13 dB typical Image rejection: 32 dBc typical Input P1dB compression: −6 dBm typical Input IP3: 3 dBm typical, 6.0 GHz to 8.6 GHz Noise figure: 2 dB typical LO to RF isolation: 48 dBm typical LO to IF isolation: 13 dBm typical RF to IF isolation: 10 dBm typical Amplitude balance: 0.2 dB typical Phase balance: −2° typical RF return loss: 10 dB typical LO return loss: 15 dB typical IF return loss: 15 dB typical Exposed paddle, 4 mm × 4 mm, 24-lead, LFCSP

Quad-Channel, Software Configurable Input and Output Features: Quad-channel software configurable input/output circuit Screw terminals tolerant to ±40 V dc Line protectors to block power from the screw terminals to supplies User configurable modes Voltage input Current input Voltage output Current output Digital input RTD measurement Internal 16-bit, Σ- ADC with optional 50 Hz and 60 Hz rejection 13-bit monotonic DACs Charge pump for true zero voltage output HART-compatible Internal temperature sensor, ±5°C accuracy On-chip diagnostics including open circuit and short-circuit detection SPI-compatible Temperature range: −40°C to +105°C 64-lead LFCSP

High Performance, Multiphase Energy, and Power Quality Measurement IC Features: 7 high performance ADCs 101 dB SNR Wide input voltage range: ±1 V, 707 mV rms FS 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 Power quality measurements Enables implementation of IEC 61000-4-30 Class S VRMS ½, IRMS ½ rms voltage refreshed each half cycle 10 cycle rms/12 cycle rms Dip and swell monitors Line frequency—one per phase Zero crossing, zero-crossing timeout Phase angle measurements Supports CTs and Rogowski coil (di/dt) sensors Multiple range phase/gain compensation for CTs Digital integrator for Rogowski coils Flexible waveform buffer Able to resample waveform to ensure 128 points per line cycle for ease of external harmonic analysis Events, such as dip and swell, can trigger waveform storage Simplifies data collection for IEC 61000-4-7 harmonic analysis 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, VRMS Total harmonic distortion 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, IEC 62053-24 High speed communication port: 20 MHz serial port interface (SPI) Integrated temperature sensor with 12-bit successive approximation register (SAR) ADC ±3°C accuracy from −40°C to +85°C