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AMC3301 数据表(PDF) 3 Page - Texas Instruments |
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AMC3301 数据表(HTML) 3 Page - Texas Instruments |
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3 / 37 page ![]() 5 Pin Configuration and Functions 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Not to scale DCDC_IN DCDC_GND LDO_OUT VDD OUTP OUTN GND DIAG DCDC_OUT DCDC_HGND HLDO_IN HLDO_OUT HGND INP INN NC Figure 5-1. DWE Package, 16-Pin SOIC, Top View Pin Functions PIN TYPE DESCRIPTION NO. NAME 1 DCDC_OUT Power High-side output of the isolated DC/DC converter; connect this pin to the HLDO_IN pin.(1) 2 DCDC_HGND Power High-side ground reference for the isolated DC/DC converter; connect this pin to the HGND pin. 3 HLDO_IN Power Input of the high-side low-dropout (LDO) regulator; connect this pin to the DCDC_OUT pin(1) 4 NC — No internal connection; connect this pin to HGND or leave this pin unconnected (floating). 5 HLDO_OUT Power Output of the high-side LDO.(1) 6 INP Input Noninverting analog input. Either INP or INN must have a DC current path to HGND to define the common-mode input voltage. See Section 10 for details. 7 INN Input Inverting analog input. Either INP or INN must have a DC current path to HGND to define the common-mode input voltage. See Section 10 for details. 8 HGND Analog High-side analog ground; connect this pin to the DCDC_HGND pin. 9 GND Analog Low-side analog ground; connect this pin to the DCDC_GND pin. 10 OUTN Output Inverting analog output. 11 OUTP Output Noninverting analog output. 12 VDD Power Low-side power supply.(1) 13 LDO_OUT Power Output of the primary-side LDO; connect this pin to the DCDC_IN pin.(1) 14 DIAG Output Active-low, open-drain status indicator output; connect this pin to the pullup supply (for example, VDD) using a resistor or leave this pin floating if not used. 15 DCDC_GND Power Low-side ground reference for the isolated DC/DC converter; connect this pin to the GND pin. 16 DCDC_IN Power Primary-side input of the isolated DC/DC converter; connect this pin to the LDO_OUT pin.(1) (1) See Section 9 for power-supply decoupling recommendations. www.ti.com AMC3301-Q1 SBASA73 – JULY 2020 Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 3 Product Folder Links: AMC3301-Q1 |
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