NCP1091DBG ON Semiconductor, NCP1091DBG Datasheet
NCP1091DBG
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NCP1091DBG Summary of contents
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... DMOS suitable for the most demanding environments and capable of withstanding harsh environments such as hot swap and cable ESD events Semiconductor’s ASSP portfolio in industrial devices and can be combined with stepper motor drivers, CAN bus drivers and other high−voltage interfacing devices to offer complete solutions to the industrial and security market. ...
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VPORTP DETECTION DET CLASS CLASSIFICATION INRUSH & CONTROL & CURRENT INRUSH OPERATIONAL CURRENT LIMIT VPORTN Figure 1. NCP1090/91/92 Functional Block Diagram INTERNAL SUPPLY & VOLTAGE REFERENCE VPORT MONITOR (AUX supply priority) HOT SWAP SWITCH POWER GOOD INDICATOR LIMIT BLOCKS http://onsemi.com ...
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Simplified Application Diagrams RJ−45 Data Pairs DB1 DB2 Spare Pairs Figure 2. Typical Application Circuit using the NCP1090 RJ−45 Data DB1 Pairs DB2 Spare Pairs Figure 3. Typical Application Circuit using the NCP1091 with External UVLO Setting VPORTP Rdet DET ...
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Table 1. PIN DESCRIPTION Pin No. NCP1090 NCP1091 Name INRUSH 1 1 CLASS 2 2 DET 3 3 VPORTN 4 4 RTN 5 5 PGOOD − UVLO − 7 AUX − − VPORTP 8 8 Operating ...
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Recommended Operating Conditions Operating conditions define the limits for functional operation and parametric characteristics of the device. Note that the functionality of the device outside the operating conditions described in this section is not warranted. Operating outside the recommended operating ...
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Table 3. OPERATING CONDITIONS Symbol Parameter PASS−SWITCH AND CURRENT LIMITING Ron Pass−switch Rds−on I_inrush Inrush current with Rinrush = 178 kW I_ilim Operating current limit with Rinrush = 178 kW POWER GOOD INDICATOR Vds_pgood_on RTN−VPORTN threshold voltage required for power ...
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Description of Operation Powered Device Interface The integrated PD interface supports the IEEE 802.3af defined operating modes: detection signature, current source classification, undervoltage lockout, inrush and operating current limits. The following sections give an overview of these previous processes. Detection ...
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Example for a Targeted Uvlo_on Let’s start with a Rdet of 30.1 kΩ. This gives a Ruvlo of 144 kΩ made with a Ruvlo2 of 4.99 kΩ and a Ruvlo1 of 140 kΩ (closest values from E96 ...
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VPORTP Rdet DET Rclass CLASS Rinrush INRUSH VPORTN Auxiliary Supply To support application connected to non−PoE enabled networks and minimize the bill of materials, the NCP1093 supports drawing power from an external supply and allows simplified designs with PoE or ...
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... VAUX (+) VPORTP Rdet DET Rclass CLASS Rinrush INRUSH AUX VPORTN VAUX (−) Figure 10. PoE Supply Dominant PD Interface Company or Product Inquiries For more information about ON Semiconductor’s Power over Ethernet http://www.onsemi.com. http://onsemi.com 10 D1 PGOOD To DC−DC Converter NCP1092 RTN products ...
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PACKAGE DIMENSIONS SOIC−8 CASE 751AZ−01 ISSUE O http://onsemi.com 11 ...
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... Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303− ...