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ISL78214

4A Low Quiescent Current High Efficiency Synchronous Buck Regulator

TheISL78214isahighefficiency,monolithic,synchronous step-downDC/DCconverterthatcandeliverupto4A continuousoutputcurrentfroma2.8Vto5.5Vinputsupply.It usesacurrentcontrolarchitecturetodeliververylowduty cycleoperationathighfrequencywithfasttransientrespo

ISL78214

4A Low Quiescent Current High Efficiency Synchronous Buck Regulator; ? High efficiency synchronous buck regulator with up to 97% efficiency\n? Power-good (PG) output with a 1ms delay\n? 2.8V to 5.5V supply voltage\n? 2% output accuracy over-temperature/load/line\n? 4A output current\n? Pin compatible to ISL78213\n? Start-up with prebiased output\n? Internal soft-start - 1ms\n? Soft-stop output discharge during disable\n? 35μA quiescent supply current in PFM mode\n? Selectable forced PWM mode and PFM mode\n? External synchronization up to 4MHz\n? Less than 1μA logic controlled shutdown current\n? 100% maximum duty cycle\n? Internal current mode compensation\n? Peak current limiting and hiccup mode short circuit protection\n? Over-temperature protection\n? Small 16 Ld 4mmx4mm QFN\n? Pb-free (RoHS compliant)\n? AEC-Q100 qualified\n;

The ISL78214 is a high efficiency, monolithic, synchronous step-down DC/DC converter that can deliver up to 4A continuous output current from a 2. 8V to 5. 5V input supply. It uses a current control architecture to deliver very low duty cycle operation at high frequency with fast transient response and excellent loop stability. The ISL78214 integrates a pair of low ON-resistance P-Channel and N-Channel internal MOSFETs to maximize efficiency and minimize external component count. The 100% duty-cycle operation allows less than 400mV dropout voltage at 4A output current. High 1MHz Pulse-width Modulation (PWM) switching frequency, that can be synchronization up to 4MHz with an external clock, allows the use of small external components and SYNC input enables multiple ICs to synchronize out of phase to reduce ripple and eliminate beat frequencies. The ISL78214 can be configured for discontinuous or forced continuous operation at light load. Forced continuous operation reduces noise and RF interference while discontinuous mode provides high efficiency by reducing switching losses at light loads. Fault protection is provided by internal hiccup mode current limiting during short circuit and overcurrent conditions, an output overvoltage comparator and over-temperature monitor circuit. A power-good output voltage monitor indicates when the output is in regulation. The ISL78214 is offered in a space saving 4x4 QFN lead free package with exposed pad lead frames for low thermal. The ISL78214 offers a 1ms Power-good (PG) timer at power-up. When shutdown, ISL78214 discharges the output capacitor. Other features include internal soft-start, internal compensation, overcurrent protection and thermal shutdown. The ISL78214 is offered in a 16 Ld 4mmx4mm QFN package with 1mm maximum height. The complete converter occupies less than 0. 4in2 area. The ISL78214 is AEC-Q100 qualified. The ISL78214 is rated for the automotive temperature range -40°C to +105°C.

ISL78214

4A Low Quiescent Current High Efficiency Synchronous Buck Regulator

ISL78214

4A Low Quiescent Current High Efficiency Synchronous Buck Regulator

ISL78214ARZ

4A Low Quiescent Current High Efficiency Synchronous Buck Regulator

TheISL78214isahighefficiency,monolithic,synchronous step-downDC/DCconverterthatcandeliverupto4A continuousoutputcurrentfroma2.8Vto5.5Vinputsupply.It usesacurrentcontrolarchitecturetodeliververylowduty cycleoperationathighfrequencywithfasttransientrespo

ISL78214ARZ

絲印：78214ARZ；Package：16Ld4x4QFN；4A Low Quiescent Current High Efficiency Synchronous Buck Regulator

ISL78214ARZ

4A Low Quiescent Current High Efficiency Synchronous Buck Regulator

ISL78214ARZ

Package：16-VQFN 裸露焊盤；包裝：卷帶（TR）剪切帶（CT）Digi-Reel? 得捷定制卷帶 功能：降壓 類別：集成電路（IC） 穩(wěn)壓器 - DC-DC 開關穩(wěn)壓器 描述：IC REG BUCK ADJUSTABLE 4A 16QFN

ETC

ISL78214ARZ-T

Package：16-VQFN 裸露焊盤；包裝：卷帶（TR） 功能：降壓 類別：集成電路（IC） 穩(wěn)壓器 - DC-DC 開關穩(wěn)壓器 描述：IC REG BUCK ADJUSTABLE 4A 16QFN

ETC

ISL78214ARZ-T

Package：16-VQFN 裸露焊盤；包裝：卷帶（TR） 功能：降壓 類別：集成電路（IC） DC DC 開關穩(wěn)壓器 描述：IC REG BUCK ADJUSTABLE 4A 16QFN

ETC