Features
Wide 5V to 32V Input Voltage Range
Output Adjustable from 0.8V to 30V
Maximum Duty Cycle 100%
Minimum Drop Out 0.6V
Fixed 300KHz Switching Frequency
5A Constant Output Current Capability
Internal Optimize Power MOSFET
High efficiency
Excellent line and load regulation
TTL shutdown capability
EN pin with hysteresis function
Built in thermal shutdown function
Built in current limit function
Built in output short protection function
Available in TO-263 package
Applications
LCD Monitor and LCD TV
Digital Photo Frame
Set-up Box
ADSL Modem
Telecom / Networking Equipment
降压型直流电源变换器芯片(大功率型) | |||||
产品型号 | 输入电压 | 输出电流 | 开关频率 | 电压版本 | 封装类型 |
XL4003 | 5V ~ 32V | 4A | 300KHz | Adj (0.8V) | TO252-5L |
XL4005 | 5V ~ 32V | 5A | 300KHz | Adj (0.8V) | TO263-5L |
XL4012 | 5V ~ 32V | 12A | 300KHz | Adj (0.8V) | TO220-5L |
Features Wide 5V to 32V Input Voltage Range Output Adjustable from 0.8V to 30V Maximum Duty Cycle 100% Minimum Drop Out 0.6V Fixed 300KHz Switching Frequency 4A Constant Output Current Capability Internal Optimize Power MOSFET High efficiency Excellent line and load regulation TTL shutdown capability EN pin with hysteresis function Built in thermal shutdown function Built in current limit function Built in output short protection function Available in TO-252 packageApplications LCD Monitor and LCD TV Digital Photo Frame Set-up Box ADSL Modem Telecom / Networking EquipmentGeneral DescriptionThe XL4003 is a 300KHz fixed frequencyPWM buck (step-down) DC/DC converter,capable of driving a 4A load with highefficiency, low ripple and excellent line andload regulation. Requiring a minimumnumbe...
Featuresn Operate from a rectified 85V~265V ACmains supply.n 0.1V current sense voltage reference.n Directly drive 1~5 series 1W LED.n Excellent line and load regulation.n Internal optimize power HV-MOSFET.n Built in thermal shutdown function.n Built in UVLO function.n Built in current limiting function.n Built in LED open & short protection.n Built in soft-start circuit.n Support without electrolytic capacitorSystem solution.n Available in SOIC-8 package.n PF > 0.9 (Power Factor) with suitableExternal components.Applicationsn E27, GU10, GU5.3, B22 lamp devicen LED Lighting & LED LAMPn General purpose lightingGeneral DescriptionThe XL5002 is a monolithic high voltageswitching regulator with PFM that isspecifically designed to operate from arectified 85V~265V AC mains supply.The XL5002 is a high efficiency LED driverswitching regulator. The LED string is drivenat DC constant current rather than constantvoltage, thus providing constant currentoutput and enhanced reliabilit...