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PM8851 Datasheet(PDF) 1 Page - STMicroelectronics |
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PM8851 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 14 page This is information on a product in full production. October 2014 DocID027090 Rev 1 1/14 PM8851 1 A low-side gate driver with configurable asymmetric sink/source Datasheet - production data Features Low-side MOSFET driver 1 A sink and 0.8 A source capability Complementary outputs for source and sink driving Ext. reference for input threshold Wide supply voltage range (10 V ÷ 18 V) Input and output pull-down resistors Short propagation delays Input and output UVLO Wide operating temperature range: -40 °C to 125 °C SOT23-6L package Applications SMPS Digital lighting Wireless battery chargers Digitally controlled MOSFETs Description The PM8851 device is a high frequency single channel low-side MOSFET driver specifically designed to work with digital power conversion microcontrollers, such as the STMicroelectronics STLUX™ family of products. The PM8851 has complementary output pins to differentiate sink and source driving with a current capability of respectively 1 A and 0.8 A. The input levels of the driver are derived by the voltage present at the IN_TH pin (between 2 V and 5.5 V). This pin is typically connected at the same voltage of the microcontroller supply voltage. The PM8851 includes both input and output pull- down resistors. UVLO circuitry for input and output stages is present preventing the IC from driving external MOSFET in unsafe condition. SOT23-6L Table 1. Device summary Order code Option Package PM8851D Low input threshold SOT23-6L www.st.com |
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