Wide Input Operating Range from 4.5V to 45V420mΩ internal NMOSUp to 95% Efficiency at 16V in 12V out L=47uH with 300mA loadingInternal compensationCapable of Delivering 600mA continuous output currentFixed 1.6MHz PWM operationInternal soft startOutput voltage adjustable down to 0.795VCycle-by-cycle current limitCurrent Mode controlShort-circuit protectionLogic Control Shutdown EN can be short to VINThermal shutdown and UVLOAvailable in SOT23-6 Package产品简介The BL9352A is a wide input range, highefficiency, and high frequency DC-to-DC stepdown switching regulator, capable of delivering up to 0.6A of output current. With a fixed switching frequency of 1.6MHz, this current mode PWM controlled converter allows the use of small external components, such as ceramic input and output caps, as well as small inductors. Including cold crank and double battery jumpstarts, the minimum input voltage may be as low as 4.5V and the maximum up to 45V, 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 BL9352A must be used to minimize thermal dissipation. BL9352A is available SOT23-6 Packages.

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