LTC4413

LTC4419 : LTC4419 18V Dual Input Micropower PowerPath Prioritizer FEATURES DESCRIPTION nn Selects Highest Priority Valid Supply from Two Inputs nn Wide 1.8V to 18V Operating Range nn Internal Dual 2Ω, 0.5A Switches nn Low 3.6µA Operating Current nn Low 320nA V2 Current When V1 Connected to OUT nn Blocks Reverse and Cross Conduction Currents nn Reverse Supply Protection to –15V nn V2 Freshness Seal/Ship Mode nn ±1.5% Accurate Adjustable Switchover Threshold nn Two Auxiliary ±2.3% Accurate Voltage Comparators nn Overcurrent and Thermal Protection nn Thermally Enhanced 10-Pin 3mm × 3mm DFN and 12-Lead Exposed Pad MSOP Packages APPLICATIONS nn Low Power Battery Backup nn Portable Equipment nn Point-of-.

LTC4418 : LTC4418 Dual Channel Prioritized PowerPath Controller FEATURES nn Selects Highest Priority Supply from Two Inputs nn Blocks Reverse and Cross Conduction Currents nn Wide Operating Voltage Range: 2.5V to 40V nn –42V Protection Against Reverse Connection nn 60V Tolerant V1, V2 Inputs nn Adjustable Input Validation Time nn Fast Switchover Minimizes Output Voltage Droop nn Low 26µA Operating Current nn ±1.5% Input Overvoltage/Undervoltage Protection nn Adjustable Overvoltage/Undervoltage Hysteresis nn Cascadable for Additional Input Supplies nn 20-Lead 4mm × 4mm QFN Package APPLICATIONS nn Industrial Handheld Instruments nn High Availability Systems nn Battery Backup Systems nn Servers and Comp.

LTC4417 : FEATURES n Selects Highest Priority Supply from Three Inputs n Blocks Reverse and Cross Conduction Currents n Wide Operating Voltage Range: 2.5V to 36V n –42V Protection Against Reverse Battery Connection n Fast Switchover Minimizes Output Voltage Droop n Low 28µA Operating Current n 1µA Current Draw from Supplies Less than VOUT n 1.5% Input Overvoltage/Undervoltage Protection n Adjustable Overvoltage/Undervoltage Hysteresis n P-Channel MOSFET Gate Protection Clamp n Cascadable for Additional Input Supplies n 24-Lead Narrow SSOP and 4mm × 4mm QFN Packages APPLICATIONS n Industrial Handheld Instruments n High Availability Systems n Battery Backup Systems n Servers and Computer Peripherals L.

LTC4417 : Features n Selects Highest Priority Supply from Three Inputs n Blocks Reverse and Cross Conduction Currents n Wide Operating Voltage Range: 2.5V to 36V n –42V Protection Against Reverse Battery Connection n Fast Switchover Minimizes Output Voltage Droop n Low 28µA Operating Current n 1µA Current Draw from Supplies Less than VOUT n 1.5% Input Overvoltage/Undervoltage Protection n Adjustable Overvoltage/Undervoltage Hysteresis n P-Channel MOSFET Gate Protection Clamp n Cascadable for Additional Input Supplies n 24-Lead Narrow SSOP and 4mm × 4mm QFN Packages Applications n Industrial Handheld Instruments n High Availability Systems n Battery Backup Systems n Servers and Computer P.

LTC4416-1 : U APPLICATIO S ■ ■ ■ ■ ■ ■ Designed Specifically to Drive Large and Small QG PFETs ■ Very Low Loss Replacement for Power Supply OR’ing Diodes ■ Wide Operating Voltage Range: 3.6V to 36V ■ –40°C to 125°C Operating Temperature Range ■ Reverse Battery Protection ■ Automatic Switching Between DC Sources ■ Low Quiescent Current: 35µA per Channel ■ Load Current Sharing ■ MOSFET Gate Protection Clamp ■ Precision Input Control Comparators for Setting Switchover Threshold Points ■ Open-Drain Feedback Points for Customer Specified Hysteresis Control ■ Minimal External Components ■ Space Saving 10-Lead MSOP Package ■ The LTC ®4416/LTC4416-1 control two sets of external P-channel.