3A, 4MHz, Monolithic Synchronous Step-Down Regulator Features: High Efficiency: Up to 95% 3A Output Current Low Quiescent Current: 64μA Low RDS(ON) Internal Switch: 77mΩ 2.25V to 5.5V Input Voltage Range Programmable Frequency: 300kHz to 4MHz ±2% Output Voltage Accuracy 0.8V Reference Allows Low Output Voltage Selectable Forced Continuous/Burst Mode® Operation with Adjustable Burst Clamp Synchronizable Switching Frequency Low Dropout Operation: 100% Duty Cycle Power Good Output Voltage Monitor Overtemperature Protected Available in 16-Lead Exposed Pad TSSOP and QFN Packages

Dual 550kHz Synchronous 2-Phase DC/DC Controller with Programmable Up/Down Tracking Features: Wide VIN Range: 3V to 30V Operation with Line Feedforward Compensation Leading Edge Modulation Architecture for Extremely Low Duty Cycle Operation Phase-Lockable Fixed Frequency: 330kHz to 750kHz Two 180° Out-of-Phase Controllers Fast Programmable Power-Up/-Down Tracking Programmable Current Limit Without External Current Sense Resistor Optional Burst Mode® Operation at Light Load ±1% 0.6V Voltage Reference External N-Channel MOSFET Architecture Low Shutdown Current: <100µA Overvoltage Protection and PGOOD Flag Small 28-Lead SSOP and 32-Lead QFN Packages

Photoflash Capacitor Chargers with Automatic Refresh Features: Charges 220µF to 320V in 3.7 Seconds from 5V (LT3420) Charges 100µF to 320V in 3.5 Seconds from 5V (LT3420-1) Charges Any Size Photoflash Capacitor Supports Operation from Two AA Cells or Any Supply from 1.8V to 16V Controlled Peak Switch Current: 1.4A (LT3420) 1.0A (LT3420-1) Controlled Input Current: 840mA (LT3420) 450mA (LT3420-1) Uses Standard Transformers Efficient Flyback Operation (>75% Typical) Adjustable Output Automatic Refresh Charge Complete Indicator No High Voltage Zener Diode Required No Output Voltage Divider Required Small 10-Lead MSOP Package Small 10-Lead (3mm × 3mm) DFN Package

4A, 2MHz Dual Phase Step-Up DC/DC Converter in 3mm 3mm DFN Features: High Efficiency: Up to 92% 2-Phase Control Reduces Output Voltage Ripple 5V at 2A from 3.3V Input 3.3V at 1.5A from 1.8V Input 1.6V to 5.25V Adjustable Output Voltage 1.6V to 4.5V Input Range Internal Soft-Start Operation Low Shutdown Current: <1µA Uses Small Surface Mount Components 10-Pin 3mm × 3mm DFN Package

IC Multidisplay LED Controller Features: Step-Up/Direct-Connect Fractional Charge Pump Provides Up to 92% Efficiency Up to 400mA Continuous Output Current Independent Current and Dimming Control for 1-6 LED MAIN, 1-4 LED SUB and RGB LED Displays LED Currents Programmable Using 2-Wire I2C™ Serial Interface 1% LED Current Matching Low Noise Constant Frequency Operation* Minimal Component Count Automatic Soft-Start Limits Inrush Current 16 Exponentially Spaced Dimming States Provides 128:1 Brightness Range for MAIN and SUB Displays Up to 4096 Color Combinations for RGB Display Low Operating Current: IVIN = 180µA Tiny, Low Profile 24-Lead (4mm × 4mm × 0.75mm) QFN Package

12-Bit, 170Msps ADCs Features: Sample Rate: 170Msps/135Msps 67.5dB SNR up to 140MHz Input 80dB SFDR up to 170MHz Input 775MHz Full Power Bandwidth S/H Single 3.3V Supply Low Power Dissipation: 890mW/660mW 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 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

5.7 kV RMS/1.5 kV RMS, Quad-Channel LVDS 2.5 Gigabit Isolator (0 Reverse Channels) Features: 5.7 kV rms and 1.5 kV rms LVDS isolators Complies with TIA/EIA-644-A LVDS signal levels Quad-channel configuration Any data rate up to 2.5 Gbps switching with low jitter 10 Gbps total bandwidth across four channels 2.15 ns typical propagation delay Typical jitter: 0.82 ps rms random, 40 ps total peak Lower power 1.8 V supplies ±8 kV IEC 61000-4-2 ESD protection across isolation barrier High common-mode transient immunity: 100 kV/μs typical Safety and regulatory approvals (28-lead SOIC_W_FP package) UL (pending): 5700 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A (pending) VDE certificate of conformity (pending) DIN V VDE V 0884-11 (VDE V 0884-11):2017-01 VIORM = 849 VPEAK (working voltage) Enable or disable refresh (low speed output correctness check) Operating temperature range: −40°C to +125°C 28-lead, wide-body, finer pitch SOIC_W_FP package with 8.3 mm creepage and clearance or 6 mm × 6 mm LFCSP package with 1.27 mm creepage and clearance

5 kV RMS/3.75 kV RMS, Dual LVDS Gigabit Isolator (Second Channel Reversed) Features: 5 kV rms and 3.75 kV rms LVDS isolators Complies with TIA/EIA-644-A LVDS standard Multiple dual-channel configurations Any data rate up to 1.1 Gbps switching with low jitter 4 ns typical propagation delay 2.6 ps rms typical random jitter, rms 90 ps typical peak-to-peak total jitter at 1.1 Gbps 2.5 V or 3.3 V supplies −75 dBc power supply ripple rejection, phase spur level Glitch immunity ±8 kV IEC 61000-4-2 ESD protection across isolation barrier High common-mode transient immunity: >25 kV/μs Passes EN 55022 Class B radiated emissions limits with 1.1 Gbps PRBS Safety and regulatory approvals (20-lead SOIC_W package) UL (pending): 5000 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice 5A (pending) VDE certificate of conformity (pending) DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 424 VPEAK Fail-safe output high for open, short, and terminated input conditions (ADN4655/ADN4656) Operating temperature range: −40°C to +125°C 7.8 mm minimum creepage and clearance

250 Mbps, Half Duplex, Quad M-LVDS Transceivers Features: Four M-LVDS transceivers (driver and receiver pairs) Switching rate: 250 Mbps (125 MHz) Independent pin select for each receiver, two modes: Type 1: input hysteresis of 15 mV typical Type 2: differential input threshold voltage offset by 100 mV to support open-circuit, short-circuit, and bus idle fail-safe Compatible with the TIA/EIA-899 standard for M-LVDS Glitch free power-up/power-down on the M-LVDS bus Controlled transition times on the driver output Common-mode range: −1 V to +3.4 V, allowing communication with ±2 V of ground noise Driver outputs high-Z when disabled or powered off Independent enable pins for each driver and receiver Enhanced ESD protection on bus pins ≥±15 kV HBM, air discharge ≥±8 kV HBM, contact discharge ≥±10 kV IEC 61000-4-2, air discharge ≥±8 kV IEC 61000-4-2, contact discharge Enhanced ±8 kV HBM ESD protection for all pins, contact discharge Operating temperature range: −40°C to +105°C Available in 48-lead, 7 mm x 7 mm LFCSP

Ultracompact, 1 A Thermoelectric Cooler (TEC) Driver for Digital Control Systems Features: Patented high efficiency single inductor architecture Integrated low RDSON MOSFETs for TEC driver TEC voltage and current operation monitoring No external sense resistor required Programmable maximum TEC voltage External synchronization  Independent TEC heating and cooling current limit settings 2 MHz PWM switching frequency Digital thermal control loop compatible 2.50 V reference output with 1% accuracy Available in a 25-ball, 2.5 mm x 2.5 mm WLCSP or in a 24-lead, 4 mm x 4 mm LFCSP