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HT7465 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT7465 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 9 page  Rev. 1.10 1 April 18, 2014 Rev. 1.00 PB April 18, 2014 HT7465 Step-Down DC to DC Converter Feature • Inputvoltagerange:4.75Vto24V • Variableoutputvoltagerange:0.92Vto20V • 2Aoutputcurrent • Efficiencyupto92% • Fixed380kHzoperatingfrequency • 20mAshutdowncurrent • InternalpowerMOSFETswitch • StableoperationusinglowESRceramiccapacitors • Overtemperatureprotection • Cycle-by-cycleovercurrentprotection • Undervoltagelockoutprotection • 8-pinSOPpackage Applications • Batterychargers • Distributedpowersystems • LEDdriver • DSLmodems • Linearregulatorprepowerprocessing • Set-Top-Boxes,DVDplayers,LCDdisplays General Description TheHT7465isa2Ahighefficiencystep-downDC- DCconverterwhichincludesafullyintegratedMOS powertransistor.Thedeviceusesacurrent-mode controloperatingmethodologyandcanoperateovera wideinputvoltagerangeof4.75Vto24Vforwhichit canprovideastableadjustableoutputvoltage. Thedeviceincludesovertemperatureprotection, overcurrentprotectionandundervoltagelockout protection,featureswhichcombinetopreventdevice damageduetooverloadconditions.Initsshutdown modetheregulatordrawsamere20uAofsupply current. Thedeviceisavailablein8-pinSOPpackagetype andprovidesaverycompactsystemsolutionwitha minimumofexternalcomponents. Application Circuits B230A VIN EN GND COMP HT7465 BS SW FB 22uF 10 F L 10nF R2 R1 VIN VOUT 2 2 1 R R R V V FB OUT 4.75~24V C4 C1 C2 R3 C6 C5 10/15 H Efficiency vs Output Current |
Similar Part No. - HT7465_14 |
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Similar Description - HT7465_14 |
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