HE78MXX_V11规格书赫尔微(HEERMICR)
Features Output Current of 500mA Thermal Overload Protection Short Circuit Protection Output transistor safe area protection No external components Package:TO252 Output voltage accuracy: tolerance ±5%
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Features Output Current of 500mA Thermal Overload Protection Short Circuit Protection Output transistor safe area protection No external components Package:TO252 Output voltage accuracy: tolerance ±5%
Features Maximum output current is 1.1A Range of operation input voltage: Max 30V Line regulation: 0.03%/V (typ.) Standby current: 1.8mA (typ.) Load regulation: 0.2%/A (typ.) Environment Temperature: -20℃~85℃Applications Power Management for Computer MotherBoard, Graphic Card LCD Monitor and LCD TV DVD Decode Board ADSL Modem Post Regulators For Switching Supplies
20V/85mΩ@-4.5V P-Channel MOSFETFeatures VDS(max)=-20V ID(max)=-3.3A RDS(ON) =85mΩ(max)@VGS = -4.5V RDS(ON) =120mΩ(max)@VGS = -2.5V Improved dv/dt capability Green Device Available Fast switching
Features Hall effect Switch Sensor Wide operating voltagerange :3.5V~35V Open Collector Pre-Driver Maximum output sink current: 50mA Operating Temperature:-40℃~+125℃ Package:SOT23-3L N-pole inductionApplications Rotor Position Sensing Current Switch Brush-less DC Motor Revolution counting Encoder RPM Detection Brush-less DC Fan Speed measurement
Features Protection of battery cell reverse connection Programmable charge current up to 800mA No MOSFET sense resistor or blocking dioderequired Complete linear Charger for single CellLithium-Ion Batteries CC and CV operation with thermal regulationto maximize Rate without risk of overheating Preset 4.2V charge voltage with ±1%accuracy Automatic Recharge C/10 charge termination 2.9V trickle current charge threshold Soft-Start limits inrush current Available in SOT23-5 package
Features Output Current of 100mA Thermal Overload Protection Short Circuit Protection Output transistor safe area protection No external components Package:SOT89-3 and TO92 Output voltage accuracy: tolerance ±3%
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Features External parts: Coil, capacitor Output voltage: Settable to between2.1V to 5.5V in 0.1V steps Maximum Oscillationfrequency :300KHz Accuracy of ±2% High efficiency :95% Package: SOT23 and TO92Applications Digital cameras Electronic notebooks and PDAS Portable CD/MD players Cameras , video equipment Communications equipment Power supply for microcomputers
Features Protection of battery cell reverse connection Programmable charge current up to 1.1A No MOSFET sense resistor or blocking dioderequired Complete linear Charger for single Cell Lithium-IonBatteries CC and CV operation with thermal regulation tomaximize Rate without risk of overheating Preset 4.2V charge voltage with ±1% accuracy Automatic Recharge Two Status Indication for Charge status, no batteryand battery failure indicators C/10 charge termination 55μ A supply current in shutdown 2.9V trickle current charge threshold Soft-Start limits inrush current Battery Temperature Sensing Available in SOP-8 and ESOP-8 package
Features Low power consumption Low voltage drop Low temperature coefficient High input voltage (up to 18V) Output voltage accuracy: tolerance ±2% SOT89, SOT23 packageApplications Battery-powered equipment Communication equipment Audio/Video equipment
Features Low power consumption Low voltage drop Low temperature coefficient Ultra low quiescent current: 2μA(typ.) High input voltage (up to 15V) Maximum output current: 250mA Output voltage accuracy: tolerance ±2% TO92, SOT89 ,SOT23-3 and SOT23 package
Features Output Current of 1.5A Thermal Overload Protection Short Circuit Protection Output transistor safe area protection No external components Package:TO220 Output voltage accuracy: tolerance ±2%General DescriptionTX78XX is three-terminal positive regulators. Oneof these regulators can deliver up to 1.5A ofoutput current. The internal limiting and thermal-shutdown features of the regulator make themessentially immune to overload. When used as areplacement for a zener diode -resistorCombination, an effective improvement in outputimpedance can be obtained, together with
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