Precision Triple Supply Monitor with Power-Fail Comparator Features: Ultralow Voltage Reset: VCC = 0.5V Guaranteed Monitors Three Inputs Simultaneously: 3.3V, 5V, ADJ (LTC2911-1) 3.3V, 2.5V, ADJ (LTC2911-2) 3.3V, 1.8V, ADJ (LTC2911-3) 3.3V, 1.2V, ADJ (LTC2911-4) 3.3V, ADJ, ADJ (LTC2911-5) ±1.5% Threshold Accuracy Power-Fail Monitor RST State Can Be Held for Margining Low Supply Current: 30μA Typical Input Glitch Immunity Adjustable Reset Timeout Period Selectable Internal Timeout Saves Components Space Saving 8-Lead TSOT-23 and 3mm × 2mm DFN Packages 

Precision Triple Supply Monitor with Power-Fail Comparator Features: Ultralow Voltage Reset: VCC = 0.5V Guaranteed Monitors Three Inputs Simultaneously: 3.3V, 5V, ADJ (LTC2911-1) 3.3V, 2.5V, ADJ (LTC2911-2) 3.3V, 1.8V, ADJ (LTC2911-3) 3.3V, 1.2V, ADJ (LTC2911-4) 3.3V, ADJ, ADJ (LTC2911-5) ±1.5% Threshold Accuracy Power-Fail Monitor RST State Can Be Held for Margining Low Supply Current: 30μA Typical Input Glitch Immunity Adjustable Reset Timeout Period Selectable Internal Timeout Saves Components Space Saving 8-Lead TSOT-23 and 3mm × 2mm DFN Packages 

Single UV/OV Voltage Monitor Features: Monitors Single Voltage Adjustable UV and OV Trip Values Guaranteed Threshold Accuracy: ±1.5% Power Supply Glitch Immunity Adjustable Reset Timeout with Timeout Disable 29µA Quiescent Current Open-Drain OV and UV Outputs Guaranteed OV and UV for VCC ≥ 1V Available in 8-Lead ThinSOT™ and (3mm × 2mm) DFN Packages

Single UV/OV Voltage Monitor Features: Monitors Single Voltage Adjustable UV and OV Trip Values Guaranteed Threshold Accuracy: ±1.5% Power Supply Glitch Immunity Adjustable Reset Timeout with Timeout Disable 29µA Quiescent Current Open-Drain OV and UV Outputs Guaranteed OV and UV for VCC ≥ 1V Available in 8-Lead ThinSOT™ and (3mm × 2mm) DFN Packages

Single UV/OV Voltage Monitor Features: Monitors Single Voltage Adjustable UV and OV Trip Values Guaranteed Threshold Accuracy: ±1.5% Power Supply Glitch Immunity Adjustable Reset Timeout with Timeout Disable 29µA Quiescent Current Open-Drain OV and UV Outputs Guaranteed OV and UV for VCC ≥ 1V Available in 8-Lead ThinSOT™ and (3mm × 2mm) DFN Packages

Single UV/OV Voltage Monitor Features: Monitors Single Voltage Adjustable UV and OV Trip Values Guaranteed Threshold Accuracy: ±1.5% Power Supply Glitch Immunity Adjustable Reset Timeout with Timeout Disable 29µA Quiescent Current Open-Drain OV and UV Outputs Guaranteed OV and UV for VCC ≥ 1V Available in 8-Lead ThinSOT™ and (3mm × 2mm) DFN Packages

Single UV/OV Voltage Monitor Features: Monitors Single Voltage Adjustable UV and OV Trip Values Guaranteed Threshold Accuracy: ±1.5% Power Supply Glitch Immunity Adjustable Reset Timeout with Timeout Disable 29µA Quiescent Current Open-Drain OV and UV Outputs Guaranteed OV and UV for VCC ≥ 1V Available in 8-Lead ThinSOT™ and (3mm × 2mm) DFN Packages

Single UV/OV Voltage Monitor Features: Monitors Single Voltage Adjustable UV and OV Trip Values Guaranteed Threshold Accuracy: ±1.5% Power Supply Glitch Immunity Adjustable Reset Timeout with Timeout Disable 29µA Quiescent Current Open-Drain OV and UV Outputs Guaranteed OV and UV for VCC ≥ 1V Available in 8-Lead ThinSOT™ and (3mm × 2mm) DFN Packages

Single UV/OV Voltage Monitor Features: Monitors Single Voltage Adjustable UV and OV Trip Values Guaranteed Threshold Accuracy: ±1.5% Power Supply Glitch Immunity Adjustable Reset Timeout with Timeout Disable 29µA Quiescent Current Open-Drain OV and UV Outputs Guaranteed OV and UV for VCC ≥ 1V Available in 8-Lead ThinSOT™ and (3mm × 2mm) DFN Packages

Dual UV/OV Voltage Monitor Features: Monitors Two Voltages Simultaneously Adjustable UV and OV Trip Values Guaranteed Threshold Accuracy: ±1.5% Input Glitch Rejection Adjustable Reset Timeout with Disable 44µA Quiescent Current Open-Drain OV and UV Outputs Guaranteed OV and UV for VCC ≥ 1V Available in 10-Lead MSOP and (3mm × 3mm) DFN Packages

Voltage Supervisor with 27 Selectable Thresholds and Watchdog Timer Features: 9 Selectable Supply Voltages 12V, 5V, 3.3V, 2.5V, 1.8V, 1.5V, 1.2V, 1V, +ADJ (0.5V) 3 Selectable Tolerances –5%, –10%, –15% (LTC2917) Manual Reset Input (LTC2918) 1.5V to 5.5V Supply Operation Adjustable Watchdog Timeout Windowed Watchdog Timeout for Higher Reliability Applications (LTC2917-B, LTC2918-B) 6.2V Shunt Regulator for High Voltage Operation Guaranteed Operation to 125°C Guaranteed Threshold Accuracy: ±1.5% Low Quiescent Current: 30µA Typical Power Supply Glitch Immunity Guaranteed RST for VCC ≥ 0.8V 10-Lead MSOP Packages and (3mm × 2mm) DFN Packages

Voltage Supervisor with 27 Selectable Thresholds and Watchdog Timer Features: 9 Selectable Supply Voltages 12V, 5V, 3.3V, 2.5V, 1.8V, 1.5V, 1.2V, 1V, +ADJ (0.5V) 3 Selectable Tolerances –5%, –10%, –15% (LTC2917) Manual Reset Input (LTC2918) 1.5V to 5.5V Supply Operation Adjustable Watchdog Timeout Windowed Watchdog Timeout for Higher Reliability Applications (LTC2917-B, LTC2918-B) 6.2V Shunt Regulator for High Voltage Operation Guaranteed Operation to 125°C Guaranteed Threshold Accuracy: ±1.5% Low Quiescent Current: 30µA Typical Power Supply Glitch Immunity Guaranteed RST for VCC ≥ 0.8V 10-Lead MSOP Packages and (3mm × 2mm) DFN Packages

Voltage Supervisor with 27 Selectable Thresholds and Watchdog Timer Features: 9 Selectable Supply Voltages 12V, 5V, 3.3V, 2.5V, 1.8V, 1.5V, 1.2V, 1V, +ADJ (0.5V) 3 Selectable Tolerances –5%, –10%, –15% (LTC2917) Manual Reset Input (LTC2918) 1.5V to 5.5V Supply Operation Adjustable Watchdog Timeout Windowed Watchdog Timeout for Higher Reliability Applications (LTC2917-B, LTC2918-B) 6.2V Shunt Regulator for High Voltage Operation Guaranteed Operation to 125°C Guaranteed Threshold Accuracy: ±1.5% Low Quiescent Current: 30µA Typical Power Supply Glitch Immunity Guaranteed RST for VCC ≥ 0.8V 10-Lead MSOP Packages and (3mm × 2mm) DFN Packages

Voltage Supervisor with 27 Selectable Thresholds and Watchdog Timer Features: 9 Selectable Supply Voltages 12V, 5V, 3.3V, 2.5V, 1.8V, 1.5V, 1.2V, 1V, +ADJ (0.5V) 3 Selectable Tolerances –5%, –10%, –15% (LTC2917) Manual Reset Input (LTC2918) 1.5V to 5.5V Supply Operation Adjustable Watchdog Timeout Windowed Watchdog Timeout for Higher Reliability Applications (LTC2917-B, LTC2918-B) 6.2V Shunt Regulator for High Voltage Operation Guaranteed Operation to 125°C Guaranteed Threshold Accuracy: ±1.5% Low Quiescent Current: 30µA Typical Power Supply Glitch Immunity Guaranteed RST for VCC ≥ 0.8V 10-Lead MSOP Packages and (3mm × 2mm) DFN Packages

Precision Triple/Dual Input UV, OV and Negative Voltage Monitor Features: Two Low Voltage Adjustable Inputs (0.5V) Accurate UVLO Provides a Third Monitor Input Open-Drain RST, OUT1 and OUT2 Outputs Pin Selectable Input Polarity Allows Negative, UV and OV Monitoring Guaranteed Threshold Accuracy: ±1.5% 6.5V Shunt Regulator for High Voltage Operation Low 50µA Quiescent Current Buffered 1V Reference for Negative Supply Offset Input Glitch Rejection Adjustable Reset Timeout Period Selectable Internal Timeout Saves Components Outputs Guaranteed Low with VCC = 0.5V Space Saving 10-Lead 3mm × 2mm DFN and MSOP Packages AEC-Q100 Qualified for Automotive Applications

Precision Triple/Dual Input UV, OV and Negative Voltage Monitor Features: Two Low Voltage Adjustable Inputs (0.5V) Accurate UVLO Provides a Third Monitor Input Open-Drain RST, OUT1 and OUT2 Outputs Pin Selectable Input Polarity Allows Negative, UV and OV Monitoring Guaranteed Threshold Accuracy: ±1.5% 6.5V Shunt Regulator for High Voltage Operation Low 50µA Quiescent Current Buffered 1V Reference for Negative Supply Offset Input Glitch Rejection Adjustable Reset Timeout Period Selectable Internal Timeout Saves Components Outputs Guaranteed Low with VCC = 0.5V Space Saving 10-Lead 3mm × 2mm DFN and MSOP Packages AEC-Q100 Qualified for Automotive Applications

Power Supply Tracker with Input Monitors Features: Tracks Multiple Supplies with MOSFET Switches Monitors 5 Input Voltages Including VCC Guaranteed Threshold Accuracy: ±1% at 0.5V Automatic Remote Sense Switching Adjustable Supply Ramp Rate Overvoltage Monitor Adjustable Electronic Circuit Breaker Adjustable Power-Good Delay Available for VCC Supply Voltages of 5V, 3.3V and 2.5V Available in 16-Pin Narrow SSOP (LTC2921 Series) and 20-Pin TSSOP (LTC2922 Series)

Power Supply Tracker with Input Monitors Features: Tracks Multiple Supplies with MOSFET Switches Monitors 5 Input Voltages Including VCC Guaranteed Threshold Accuracy: ±1% at 0.5V Automatic Remote Sense Switching Adjustable Supply Ramp Rate Overvoltage Monitor Adjustable Electronic Circuit Breaker Adjustable Power-Good Delay Available for VCC Supply Voltages of 5V, 3.3V and 2.5V Available in 16-Pin Narrow SSOP (LTC2921 Series) and 20-Pin TSSOP (LTC2922 Series)

Power Supply Tracking Controller Features: Flexible Power Supply Tracking Tracks Both Up and Down Power Supply Sequencing Supply Stability is Not Affected Controls Two Supplies Without Series FETs Controls a Third Supply With a Series FET Adjustable Ramp Rates Electronic Circuit Breaker Available in 10-Lead MS and 12-Lead (4mm × 3mm) DFN Packages

Quad Power Supply Sequencer Features: Fully Sequence and Monitor Four Supplies Six with Minimal External Circuitry Cascadable for Additional Supplies Power Off in Reverse Order or Simultaneously Charge Pump Drives External MOSFETs Drives Power Supply Shutdown Pins with No External Pull-Up Resistors 10µA Output Current Allows Soft-Starting of Supplies Done Indicator for Both Power On and Power Off Adjustable Time Delay Between Power Supplies Power Good Timer Power Supply Voltage Monitoring and Power Sequence Error Detection and Reporting Available in a 16-Lead Narrow SSOP Package