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Home / Procucts / LED Drivers / HBLED (>100mA) / Switching

HBLED(High Current) Switching

Matching Parts: 0 | Total Parts: 34

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Products

Part Number	Key Features Show	Pkg-Pin	Power Switch	IOUT(mA) MAX	Topology	Dimming	Grade	VIN(V)	Key Features	Status
	0.5μA shutdown current1.0MHZ Boost Converter With 35V Internal FET1.5A PWM dimmable constant-current buck LED driver with robust protection1.5A sync buck LED driver with up to 2.2MHz forced CCM operation1.5μA shutdown current150KHz-650KHz Adjustable operating frequency1MHz switching frequency1uA shutdown current and robust protections with fault reporting output.200mV feedback voltage2μA shutdown current300mV feedback voltage3A PWM dimmable constant current buck LED driver with spread spectrum3A PWM dimmable constant-current buck LED driver with robust protection3A sync buck LED driver with up to 2.2MHz forced CCM operation3v-5.5v4.5V to 55V5V linear regulator output (VDD) to bias an external circuit8-bitPWMandglobalcurrent-40°C ~ +125°C+/-2.8% current accuracy±5% output current accuracy over the operating temp.adjust operating freq rangeAEC-Q100analog dimmingAnalog dimming down to 10%boost and Buck-Boost with LED string to GNDContinuous mode inductive step-down converterCurrent Monitor PinCycle-by-cycle current limitdimming ratio can upto 2000:1 at 100Hz PWM dimmingDual brightness by internal PWM dimmingEMI reduction via spread spectrum and freq sync with ext. clockExtend Temp RangeExternal clock syncFault reportFault reportingFault reporting and sharingFixed UVLOHigh side PMOS PWM/protection switch driverHigh voltage LED lighting driverHigh-side current sense with LED string cathode connected directly to GNDImproved current sense accuracyImproved soft startInternal soft start to avoid inrush currentLED binning with over-temp current rolloffLed Driver With External SwitchLed Driver With Fault Protection and Spread SpectrumLed Driver With Internal SwitchLed Driver With Output Fault Reporting and Spread SpectrumLed Driver With Shared Output Fault Reporting and Spread SpectrumLED over temperature thermal roll offLED string open/short detectLED String short detectLow Duty Cycle PWM DimmingLow shutdown currentNo fault reportingOpen drain fault signal outputoptimized over current protection (OCP)Output current monitorOver temperature protectionOver voltage protectionPFM Mode Boost Led Driver With The External FETProg current setProg UVLOprogram soft startprogram UVLOProgrammable Integrated PWM generatorprogrammable internal PWM generatorprogrammable UVLOPWM dimmingrobust fault reportingRobust protectionRobust protection and Fault reporting and sharingSingle LED short detectSpread spectrumspread spectrum and robust fault protectionSupper low shutdown currentSupport BuckThermal shutdowntwo analog dimming inputs	DFN-8eTSSOP-16eTSSOP-20eTSSOP-28MSOP-10SOP-8SOP-8-EPSOT23-5SOT23-6SOT89-5TSOT23-6UTQFN-12WFCQFN-14WFQFN-32	ExternalInternal	10001200130015002020002503000750External FETExternalFET	BoostBuckBuck-BoostCharge PumpHysteretic BuckSEPIC	AnalogPulse CountPWM	AutomotiveIndustrial	Min (0) Max (0)	4-bitChannelCurrent8-bitPWMClock SyncCurrent LimitFault DetectionFault ReportForce Continuous Conduction ModeInternal PWMLow Quiescent CurrentLow Shutdown CurrentMulti-ChannelSingle LED Short DetectionSoft StartSpread SpectrumThermal ShutdownVDD Output
IS31BL3228A-B	Prog current set, 0.5μA shutdown current	UTQFN-12	Internal	20	Charge Pump	Pulse Count	Industrial	2.8~5.5	Soft Start, Multi-Channel	Prod
IS31BL3506A	300mV feedback voltage, Over temperature protection, Over voltage protection, 1.5μA shutdown current	TSOT23-6, SOT23-6, DFN-8	Internal	250	Boost	Analog, PWM	Industrial	2.7~5.5	Soft Start, Fault Detection, Low Quiescent Current, Low Shutdown Current	Prod
IS31BL3506B	200mV feedback voltage, Over temperature protection, Over voltage protection, 1.5μA shutdown current, PWM dimming	SOT23-6, TSOT23-6	Internal	250	Boost	Analog, PWM	Industrial	2.7~5.5	Soft Start, Fault Detection, Low Quiescent Current	Prod
IS31BL3508A	300mV feedback voltage, Over temperature protection, Over voltage protection, Low shutdown current	SOT23-6, TSOT23-6	Internal	250	Boost	Analog, PWM	Industrial	2.7~5.5	Soft Start, Fault Detection, Low Quiescent Current, Low Shutdown Current	Prod
IS31BL3508B	200mV feedback voltage, Over temperature protection, Over voltage protection, Low shutdown current	SOT23-6	Internal	250	Boost	Analog, PWM	Industrial	2.7~5.5	Soft Start, Fault Detection, Low Quiescent Current, Low Shutdown Current	Prod
IS31LT3350	Led Driver With Internal Switch	SOT23-5, SOT89-5	Internal	750	Hysteretic Buck	Analog, PWM	Industrial	6~40	Fault Detection	Prod
IS31LT3353	Led Driver With Internal Switch,-40°C ~ +125°C	SOT23-5, SOT89-5	Internal	1000	Hysteretic Buck	Analog, PWM	Industrial	6~40	Fault Detection	Prod
IS31LT3354	Led Driver With External Switch	SOT23-5	External	External FET	Hysteretic Buck	Analog, PWM	Industrial	6~40	Fault Detection	Prod
IS31LT3360	Led Driver With Internal Switch,Extend Temp Range	SOT89-5	Internal	1200	Hysteretic Buck	Analog, PWM	Industrial	6~40	Fault Detection	Prod
IS31LT3361	Continuous mode inductive step-down converter, ±5% output current accuracy over the operating temp., 1MHz switching frequency, dimming ratio can upto 2000:1 at 100Hz PWM dimming, Robust protection, LED string open/short detect	SOT89-5	Internal	1300	Hysteretic Buck	Analog, PWM	Industrial	6~40	Fault Detection	Prod
IS31LT3505	1.0MHZ Boost Converter With 35V Internal FET	MSOP-10	Internal	750	Boost	PWM	Industrial	6~30	Fault Detection, Soft Start	Prod
IS31LT3948	PFM Mode Boost Led Driver With The External FET	SOP-8	External	External FET	Boost	PWM	Industrial	5~100	Fault Detection	Prod
IS31LT3952	Led Driver With Fault Protection and Spread Spectrum	SOP-8-EP	Internal	1500	Buck	PWM	Industrial	4.5~38	Fault Detection, Spread Spectrum, Current Limit, Low Shutdown Current	Prod
IS31LT3953	Led Driver With Fault Protection and Spread Spectrum	SOP-8-EP	Internal	3000	Buck	PWM	Industrial	4.5~38	Fault Detection, Spread Spectrum, Current Limit, Low Shutdown Current	Prod
IS31LT3954	Led Driver With Output Fault Reporting and Spread Spectrum	SOP-8-EP	Internal	3000	Buck	PWM	Industrial	4.5~38	Fault Detection, Fault Report, Spread Spectrum, Current Limit, Low Shutdown Current	Prod
IS31LT3954A	Led Driver With Shared Output Fault Reporting and Spread Spectrum	SOP-8-EP	Internal	3000	Buck	PWM	Industrial	4.5~38	Fault Detection, Fault Report, Spread Spectrum, Current Limit, Low Shutdown Current	Prod
IS31LT3957A	High voltage LED lighting driver, Fixed UVLO, Spread spectrum, External clock sync, Fault reporting, Over voltage protection, LED String short detect, AEC-Q100, Analog dimming down to 10%	eTSSOP-16	External	External FET	Buck, Boost, Buck-Boost, SEPIC	Analog, PWM	Industrial	5~75	Spread Spectrum, Fault Detection, Fault Report, Clock Sync, Soft Start	Prod
IS32LT3361	Continuous mode inductive step-down converter, ±5% output current accuracy over the operating temp., 1MHz switching frequency, dimming ratio can upto 2000:1 at 100Hz PWM dimming, Robust protection and Fault reporting and sharing, LED string open/short detect, AEC-Q100	SOP-8-EP	Internal	1300	Hysteretic Buck	Analog, PWM	Automotive	6~40	Fault Detection, Fault Report	Prod
IS32LT3951	Prog UVLO, Over temperature protection, Low shutdown current, Spread spectrum, LED string open/short detect, AEC-Q100	SOP-8-EP	Internal	1500	Buck	PWM	Automotive	4.5~38	Fault Detection, Fault Report, Spread Spectrum, Current Limit, Low Shutdown Current	Prod
IS32LT3952	1.5A PWM dimmable constant-current buck LED driver with robust protection, spread spectrum, Prog UVLO, Low shutdown current, LED string open/short detect, AEC-Q100,	SOP-8-EP	Internal	1500	Buck	PWM	Automotive	4.5~38	Fault Detection, Spread Spectrum, Low Shutdown Current	Prod

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1623 Buckeye Dr.Milpitas, California 95035

analog@lumissil.com

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