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BL9641

降壓型DC/DC轉(zhuǎn)換器：38V,0.7A,輕載高效; ·Wide Input Operating Range from 4V to 38V\n·Standoff Input Voltage: 42V\n·High Efficiency at 12V In 5V Out: Up to 92%:\n·High Efficiency PFM mode at light load\n·Capable of Delivering 0.7A\n·No External Compensation Needed\n·Current Mode control\n·Logic Control Shutdown\n·Thermal shutdown and UVLO\n·Available in SOT23-6 Package;

The BL9641 is a wide input range, high-efficiency,and high frequency DC-to-DC step-downswitching regulator, capable of delivering up to0.7A of output current. With a fixed switchingfrequency of 660KHz, this current mode PWMcontrolled converter allows the use of smallexternal components, such as ceramic input and output caps, as well as small inductors.BL9641 also employs a proprietary control scheme that switches the device into a power save mode during light load, thereby extending the range of high efficiency operation. An OVP function protects the IC itself and its downstream system against input voltage surges. With this OVP function, the IC can stand off input voltage as high as 42V, making it an ideal solution for industrial applications such as smart meters as well as automotive applications. In automotive systems, power comes from the battery, with its voltage typically between 9V and 24V. Including cold crank and double battery jump-starts, the minimum input voltage may be as low as 4V and the maximum up to 36V, with even higher transient voltages. With these high input voltages, linear regulators cannot be used for high supply currents without overheating the regulator. Instead, high efficiency switching regulators such as BL9641 must be used to minimize thermal dissipation. BL9641 is available SOT23-6 Packages.

BL9641

絲?。?a target="_blank" title="Marking" href="/aa/marking.html">AA**；Package：SOT-26；42V Input Standoff Voltage, 0.7A Step-Down Converter

BL9641B

42V Input Standoff Voltage, 0.4A Step-Down Converter

IRF9641

P-CHANNELPOWERMOSFETS

FEATURES ?LowRDS(on) ?ImprovedInductiveruggedness ?Fastswitchingtimes ?Ruggedpolysllicongatecellstructure ?LowInputcapacitance ?Extendedsafeoperatingarea ?Improvedhightemperaturereliability

IRF9641

P-CHANNELPOWERMOSFETS

FEATURES ?LowRDS(on) ?ImprovedInductiveruggedness ?Fastswitchingtimes ?Ruggedpolysllicongatecellstructure ?LowInputcapacitance ?Extendedsafeoperatingarea ?Improvedhightemperaturereliability

IRF9641

P-CHANNELPOWERMOSFETS

FEATURES ?LowRDS(on) ?Improvedinductiveruggedness ?Fsatswitchingtimes ?Ruggedpolysilicongatecellstructure ?Lowinputcapacitance ?Extendedsafeoperatingarea ?Improvedhightemperaturereliability

LR9641

42VInputStandoffVoltage,0.7AStep-DownConverter

PE9641

PrecisionSMAMaletoSMAFemaleRadiusRightAngleAdapter

RT9641A

TRIPLELINEARREGULATORCONTROLLERSUPPORT

GeneralDescription TheRT9641A/B,pairedwitheithertheRT9230orRT9231simplifiestheimplementationofACPI-compliantdesignsinmicroprocessorandcomputerapplications.TheICintegratestwolinearcontrollersandalow-currentpasstransistor,aswellasthemonitoringandcontrolfunctio

RT9641A

TripleLinearRegulatorControllerSupportACPIControlInterface