60V Dual Output Step-Down Controller with Digital Power System Management Features: PMBus/I2C Compliant Serial Interface Telemetry Read-Back Includes VIN, IIN, VOUT, IOUT, Temperature and Faults Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV/OC, Frequency, and Control Loop Compensation Output Error Less Than ±0.5% Over Temperature Integrated 16-Bit ADC and 12-Bit DAC Integrated High Side Current Sense Amplifier Internal EEPROM with ECC and Fault Logging Integrated N-Channel MOSFET Gate DriversPower Conversion Wide VIN Range: 5V to 60V VOUT0, VOUT1 Range: 1V to 40V Analog Current Mode Control Accurate PolyPhase® Current Sharing for Up to 6 Phases (85kHz to 500kHz) Available in a 52-Lead (7mm× 8mm) QFN Package

2.5A Supercapacitor Backup Power Manager Features: 2.5A Step-Down Supercapacitor Charger and 2.5A Step-Up Backup Supply 6.5A Switches for 2.5A Backup from One Supercapacitor or Two in Series Input Current Limit Prioritizes Load over Charge Current Input Disconnect Switch Isolates Input During Backup Automatic Seamless Switch-Over to Backup Mode Internal Supercapacitor Balancer (No External Resistors) Programmable Charge Current and Charge Voltage Input Power Fail Indicator System Power Good Indicator Optional OVP Circuitry Protects Device to >60V Constant Frequency Operation Thermally Enhanced 24-Lead 4mm × 5mm QFN Package

3GHz to 20GHz Microwave Mixer with Wideband DC to 6GHz IF Features:Integrated LO Buffer: 0dBm LO Drive50 Wideband Matched RF and LO PortsWide IF Bandwidth: DC to 6GHzUpconversion or DownconversionHigh IIP3:+22.5dBm at 10GHz+18.3dBm at 17GHz+14.6dBm Input P1dB at 10GHz8dB Conversion Loss at 10GHz3.3V/132mA SupplyFast Turn ON/OFF for TDD Operation3mm × 2mm, 12-Lead QFN Package

Very Low Noise, Low Distortion Active RC Quad Universal Filter Features: Continuous Time—No Clock Four 2nd Order Filter Sections, 20kHz to 300kHz Center Frequency Butterworth, Chebyshev, Elliptic or Equiripple Delay Response Lowpass, Bandpass, Highpass Responses 99dB Typical S/N, ±5V Supply (Q = 1) 93dB Typical S/N, Single 5V Supply (Q = 1) Rail-to-Rail Input and Output Voltages DC Accurate to 3mV (Typ) ±0.5% Typical Center Frequency Accuracy “Zero-Power” Shutdown Mode Single or Dual Supply, 5V to 10V Total Resistor-Programmable fO, Q, Gain

High Speed, Fast Settling Precision Operational Amplifier Features:FAST  Slew Rate: 50 V/µs Min Settling Time (0.01%): 1 µs Max Gain Bandwidth Product: 10 MHz Typ Excellent Radiation HardnessPRECISE Common Mode Rejection: 88 dB Min Open Loop Gain: 500 V/mV Min Offset Voltage: 750 µV Max Bias Current: 200 pA Max Available in Die Form

2.048V, Precision Micropower, Low Dropout, Low Voltage Reference Features: Initial Accuracy: ±2 mV Max Temperature Coefficient: 5 ppm/°C Max Low Supply Current: 45 µA Max Sleep Mode: 15 µA Max Low Dropout Voltage Load Regulation: 4 ppm/mA Line Regulation: 4 ppm/V High Output Current: 30 mA Short-Circuit Protection Download REF191-EP Data Sheet (pdf) Supports defense and aerospace applications (AQEC standard) Military temperature range (−55°C to +125°C) Controlled manufacturing baseline One assembly/test site One fabrication site Product change notification Qualification data available on request

Ultralow Noise, 150 mA CMOS Linear Regulator Features: Chinese data sheet available Ultralow noise: 9 μV rms, independent of VOUT No additional noise bypass capacitor required Stable with 1 μF ceramic input and output capacitors Maximum output current: 150 mA Input voltage range: 2.2 V to 5.5 V Low quiescent current IGND = 10 μA with zero load Low shutdown current: <1 μA Low dropout voltage: 105 mV at 150 mA load Initial output voltage accuracy: ±1% Up to 14 fixed output voltage options: 1.8 V to 3.3 V PSRR performance of 70 dB at 10 kHz Current limit and thermal overload protection Logic-controlled enable 5-lead TSOT package 4-ball, 0.8 mm × 0.8 mm, 0.4 mm pitch WLCSP AEC-Q100 qualified for automotive applications

High Voltage, 1.5A, 500kHz Step-Down Switching Regulators Features: Wide Input Range: 5.5V to 60V 1.5A Peak Switch Current Small 16-Pin SSOP Package or Thermally Enhanced TSSOP Package Saturating Switch Design: 0.2Ω Peak Switch Current Maintained Over Full Duty Cycle Range Constant 500kHz Switching Frequency Effective Supply Current: 2.5mA Shutdown Current: 25µA 1.2V Feedback Reference (LT1956) 5V Fixed Output (LT1956-5) Easily Synchronizable Cycle-by-Cycle Current Limiting

0.5C Accurate PWM Temperature Sensor in 5-Lead SC-70 Features: Modulated Serial Digital Output - Proportional to Temperature ±0.5°C typical accuracy at 25°C ±1.0°C accuracy from 0°C to 70°C Power consumption 70 μW maximum at 3.3 V Operation from −40°C to +150°C Operation from 3 V to 5.5 V See datasheet for additional features

POWER MANAGEMENT - DC / DC;