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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	Grade	VIN(V)	Dimming	Topology	IOUT(mA) MAX	Power Switch	Pkg-Pin	Key Features Show	Key Features	Status
	AutomotiveIndustrial	Min (0) Max (0)	AnalogPulse CountPWM	BoostBuckBuck-BoostCharge PumpHysteretic BuckSEPIC	10001200130015002020002503000750External FETExternalFET	ExternalInternal	DFN-8eTSSOP-16eTSSOP-20eTSSOP-28MSOP-10SOP-8SOP-8-EPSOT23-5SOT23-6SOT89-5TSOT23-6UTQFN-12WFCQFN-14WFQFN-32	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±2.8% output 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 dimmingEach channel supports either analogEMI reduction via spread spectrum and freq sync with ext. clockExtend Temp RangeExternal clock syncFault reportFault reportingFault reporting and sharingFixed UVLOfull fault(OVP/SC/RT short/VDD short/OTP) with FAULTBxHigh 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 PWM dimming or external PWM dimmingInternal 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 detectsoft‑start for fade‑onSpread spectrumspread spectrum and robust fault protectionSupper low shutdown currentSupport BuckThermal shutdowntwo analog dimming inputs	4-bitChannelCurrent8-bitPWMClock SyncCurrent LimitDual ChannelFault DetectionFault ReportForce Continuous Conduction ModeInternal PWMLow Quiescent CurrentLow Shutdown CurrentMulti-Channelphase shiftSingle LED Short DetectionSoft StartSpread SpectrumThermal ShutdownVDD OutputVDD/VREF Output
IS31BL3228A-B	Industrial	2.8~5.5	Pulse Count	Charge Pump	20	Internal	UTQFN-12	Prog current set, 0.5μA shutdown current	Prog current set, 0.5μA shutdown current	Prod
IS31BL3506A	Industrial	2.7~5.5	Analog, PWM	Boost	250	Internal	TSOT23-6, SOT23-6, DFN-8	300mV feedback voltage, Over temperature protection, Over voltage protection, 1.5μA shutdown current	300mV feedback voltage, Over temperature protection, Over voltage protection, 1.5μA shutdown current	Prod
IS31BL3506B	Industrial	2.7~5.5	Analog, PWM	Boost	250	Internal	SOT23-6, TSOT23-6	200mV feedback voltage, Over temperature protection, Over voltage protection, 1.5μA shutdown current, PWM dimming	200mV feedback voltage, Over temperature protection, Over voltage protection, 1.5μA shutdown current, PWM dimming	Prod
IS31BL3508A	Industrial	2.7~5.5	Analog, PWM	Boost	250	Internal	SOT23-6, TSOT23-6	300mV feedback voltage, Over temperature protection, Over voltage protection, Low shutdown current	300mV feedback voltage, Over temperature protection, Over voltage protection, Low shutdown current	Prod
IS31BL3508B	Industrial	2.7~5.5	Analog, PWM	Boost	250	Internal	SOT23-6	200mV feedback voltage, Over temperature protection, Over voltage protection, Low shutdown current	200mV feedback voltage, Over temperature protection, Over voltage protection, Low shutdown current	Prod
IS31LT3350	Industrial	6~40	Analog, PWM	Hysteretic Buck	750	Internal	SOT23-5, SOT89-5	Led Driver With Internal Switch	Led Driver With Internal Switch	Prod
IS31LT3353	Industrial	6~40	Analog, PWM	Hysteretic Buck	1000	Internal	SOT23-5, SOT89-5	Led Driver With Internal Switch,-40°C ~ +125°C	Led Driver With Internal Switch,-40°C ~ +125°C	Prod
IS31LT3354	Industrial	6~40	Analog, PWM	Hysteretic Buck	External FET	External	SOT23-5	Led Driver With External Switch	Led Driver With External Switch	Prod
IS31LT3360	Industrial	6~40	Analog, PWM	Hysteretic Buck	1200	Internal	SOT89-5	Led Driver With Internal Switch,Extend Temp Range	Led Driver With Internal Switch,Extend Temp Range	Prod
IS31LT3361	Industrial	6~40	Analog, PWM	Hysteretic Buck	1300	Internal	SOT89-5	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	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	Prod
IS31LT3505	Industrial	6~30	PWM	Boost	750	Internal	MSOP-10	1.0MHZ Boost Converter With 35V Internal FET	1.0MHZ Boost Converter With 35V Internal FET	Prod
IS31LT3948	Industrial	5~100	PWM	Boost	External FET	External	SOP-8	PFM Mode Boost Led Driver With The External FET	PFM Mode Boost Led Driver With The External FET	Prod
IS31LT3952	Industrial	4.5~38	PWM	Buck	1500	Internal	SOP-8-EP	Led Driver With Fault Protection and Spread Spectrum	Led Driver With Fault Protection and Spread Spectrum	Prod
IS31LT3953	Industrial	4.5~38	PWM	Buck	3000	Internal	SOP-8-EP	Led Driver With Fault Protection and Spread Spectrum	Led Driver With Fault Protection and Spread Spectrum	Prod
IS31LT3954	Industrial	4.5~38	PWM	Buck	3000	Internal	SOP-8-EP	Led Driver With Output Fault Reporting and Spread Spectrum	Led Driver With Output Fault Reporting and Spread Spectrum	Prod
IS31LT3954A	Industrial	4.5~38	PWM	Buck	3000	Internal	SOP-8-EP	Led Driver With Shared Output Fault Reporting and Spread Spectrum	Led Driver With Shared Output Fault Reporting and Spread Spectrum	Prod
IS31LT3957A	Industrial	5~75	Analog, PWM	Buck, Boost, Buck-Boost, SEPIC	External FET	External	eTSSOP-16	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%	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%	Prod
IS32LT3361	Automotive	6~40	Analog, PWM	Hysteretic Buck	1300	Internal	SOP-8-EP	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	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	Prod
IS32LT3951	Automotive	4.5~38	PWM	Buck	1500	Internal	SOP-8-EP	Prog UVLO, Over temperature protection, Low shutdown current, Spread spectrum, LED string open/short detect, AEC-Q100	Prog UVLO, Over temperature protection, Low shutdown current, Spread spectrum, LED string open/short detect, AEC-Q100	Prod
IS32LT3952	Automotive	4.5~38	PWM	Buck	1500	Internal	SOP-8-EP	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,	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,	Prod

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1623 Buckeye Dr.Milpitas, California 95035

analog@lumissil.com

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