Microprocessor Supervisory Circuit with Watchdog Feature, 4.65V Threshold Voltage, Low Supply Current and Active Low Reset Output. Upgrade for ADM699 Features: Superior Upgrade for ADM698/ADM699, MAX698/MAX699 Guaranteed RESET Assertion with VCC = 1 V Low 70 µA Supply Current Precision 4.65 V Voltage Monitor Power OK/Reset Time Delay Power OK/Reset Time Delay Watchdog Timer Minimum Component Count Performance Specified over Temperature ADM8698 is obsolete

3.3 V 4.25 Gb/s Limiting Amplifier Features: Input sensitivity: 3.5 mV p-p  70 ps rise/fall times  CML outputs: 750 mV p-p differential  Bandwidth selectable for multirate 1×/2×/4× FC modules  Optional LOS output inversion  Programmable LOS detector: 3.5 mV to 35 mV  Rx signal strength indicator (RSSI)  SFF-8472-compliant average power measurement  Single-supply operation: 3.3 V  Low power dissipation: 160 mW  Available in space-saving, 3 mm × 3 mm, 16-lead LFCSP  Extended temperature range: −40°C to +95°C  SFP reference design available

Digital Controller for Isolated Power Supply Applications Features: Integrates all typical PWM controller functions 7 PWM control signals Digital control loop Integrated programmable loop filters Programmable voltage line feedforward Dedicated soft start filter Remote and local voltage sense Primary and secondary side current sense Synchronous rectifier control Current sharing OrFET control I2C interface Extensive fault detection and protection Extensive programming and telemetry Fast digital calibration User accessible EEPROM Qualified for automotive applications Download ADP1046AW Automotive Data Sheet (pdf)

Very Low Quiescent Current, 150 mA, with Output Discharge LDO Regulator Features: Very low quiescent current IQ = 590 nA with 0 µA load IQ = 890 nA with 1 µA load Maintains very low quiescent current in dropout (pass through mode): IQ_DROP = 720 nA with 0 µA load IQ_DROP = 1200 nA with 1 µA load Stable with 1 µF ± 30% ceramic input and output capacitors Maximum load current: ILOAD_MAX: 150 mA Input voltage range: 2.2 V to 5.5 V Low shutdown current: 50 nA typical Low dropout voltage: 120 mV at 150 mA load Initial output voltage accuracy: ±1% Accuracy over line, load, and temperature: ±3.5% 7 fixed output voltage options: 1.2 V to 3.3 V Adjustable output option can be set from 1.2 V to 4.2 V See data sheet for additional features

1 A, Low Dropout, CMOS Linear Regulator Features: Maximum output current: 1 A Input voltage range: 2.5 V to 5.5 V Low shutdown current: <1 μA Low dropout voltage: 345 mV @ 1 A load Initial accuracy: ±1% Accuracy over line, load, and temperature: ±2.5% 16 fixed output voltage options with soft start: 0.75 V to 3.3 V (ADP1706) 16 fixed output voltage options with tracking 0.75 V to 3.3 V (ADP1707) Adjustable output voltage option: 0.8 V to 5.0 V (ADP1708) Stable with small 4.7 μF ceramic output capacitor Excellent load/line transient response Current limit and thermal overload protection

1 A, Low Dropout, CMOS Linear Regulator with Tracking Features: Maximum output current: 1 A Input voltage range: 2.5 V to 5.5 V Low shutdown current: <1 μA Low dropout voltage: 345 mV @ 1 A load Initial accuracy: ±1% Accuracy over line, load, and temperature: ±2.5% 16 fixed output voltage options with soft start: 0.75 V to 3.3 V (ADP1706) 16 fixed output voltage options with tracking 0.75 V to 3.3 V (ADP1707) Adjustable output voltage option: 0.8 V to 5.0 V (ADP1708) Stable with small 4.7 μF ceramic output capacitor Excellent load/line transient response Current limit and thermal overload protection

5.5 V, 5 A, High Efficiency, Step-Down DC-to-DC Regulators with Output Tracking Features: Continuous output current: 5 A Integrated MOSFET High-side on resistance: 19 m Low-side on resistance: 15 m Reference voltage: 0.6 V ± 1% over temperature range Input voltage range: 2.7 V to 5.5 V Current mode architecture Switching frequency Fixed frequency: 620 kHz or 1.2 MHz Adjustable frequency: 250 kHz to 1.4 MHz Synchronizes to external clock: 250 kHz to 1.4 MHz Selectable synchronize phase shift: in phase or out of phase External compensation Programmable soft start Startup into a precharged output Voltage tracking input Power-good output and precision enable input Accurate current limit Available in 24-lead, 4 mm × 4 mm LFCSP package Supported by ADIsimPower™ design tool

1.2 A, 20 V, 700 kHz Nonsynchronous Step-down Switching Regulator Features: High efficiency, up to 91% 1.2 A maximum load current ±2% output accuracy over temperature range 700kHz (ADP2300) or 1.4MHz (ADP2301) switching frequency options Wide input voltage range: 3.0 V to 20 V Current-mode control architecture Output voltage from 0.8 V to 0.85×VIN See datasheet for additional features

Microprocessor Supervisory in SOT-23 with Active High and Low Push-Pull Output Features: Reliable Low Cost Voltage Monitor with Reset Output Suitable for Monitoring 2.5 V, 3 V, 3.3 V, and 5 V Power Supply Voltages Reset Threshold Levels: 4.62 V, 4.35 V, 3.06 V, 2.88 V, 2.55 V, 2.31 V, and 2.18 V (Typ)Initialize Microprocessor Systems with Added Safety Open-Drain Output Choices (ADM1811, ADM1813, ADM1816, and ADM1818) Can Be Used with a Manual Push-Button to Generate a Reset (ADM1813, ADM1818) Available in 3-Lead SOT-23 and SC70 Packages Active High and Low Push-Pull Output Choices (ADM1810, ADM1812, ADM1815, and ADM1817)

High Speed, 5 V, 0.1 F CMOS RS-232 Driver/Receiver Features: 120 kB transmission rate Small (0.1 µF) charge pump capacitors Single 5 V power supply Meets TIA/EIA-232-E and V.28 specifications 2 drivers and 2 receivers On-board dc-to-dc converters ±9 V output swing with 5 V supply Low power BiCMOS: 2.5 mA ICC ±30 V receiver input levels