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The controller integrates internal and adjustable over power protection (OPP), over-voltage protection (OVP) on the VCC pin, timer-based short-circuit protection, and internal fixed 4 ms soft-start for reliable, robust power 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switching frequency behavior does the NCP12510 provide?","Question",{"text":62,"@type":63},"It runs in fixed-frequency peak current mode at 65 kHz or 100 kHz, then automatically folds back down to a minimum of 26 kHz when power decreases, and enters skip-cycle during light-load conditions.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"How does the NCP12510 implement over power and over voltage protection?",{"text":67,"@type":63},"Internal and adjustable OPP uses two external resistors to set compensation, while auto-recovery OVP is combined on the VCC pin to protect against optocoupler destruction or adverse open-loop operation.",{"name":69,"@type":60,"acceptedAnswer":70},"What does the controller do for short-circuit and startup reliability?",{"text":71,"@type":63},"A timer-based short-circuit protection selects a trip point precisely without concern for loose coupling, and the device includes an internal fixed 4 ms soft-start to improve robustness during power-up.","https://schema.org",{"og:url":32,"og:type":74,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":76,"canonical":32},"index,follow",{"doc_id":78,"site_id":7},561620,1792469920,{"code":4,"msg":81,"data":82},"success",[83,87,91,95,100,105,109,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":84,"show_sort_weight":85,"slug":86},"Story & 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capable of  \ndelivering a rugged and high performance offline power supply in a [www.onsemi.com](www.onsemi.com)  \ntiny TSOP−6 package. With a voltage supply range up to 35 V, the    \ncontroller hosts a jittered 65−kHz or 100−kHz switching circuitry operated in peak current mode control. When the power on the secondary side starts decreasing, the controller automatically folds back its switching frequency down to a minimum level of 26 kHz. As  \nthe power further goes down, the part enters skip cycle while limiting (TSSOPOT23 the peak current. SN SUFFIX Over Power Protection (OPP) is a difficult exercise especially when 1 CASE 318G 1  \nno−load standby requirements drive the converter specifications. The STYLE 13  \nON Semiconductor proprietary integrated OPP allows harness the 5Dx = Specific Device Code  \nmaximum delivered power without affecting the standby performance x = A, 2, C, D, J, or K  \nsimply via two external resistors. An Over Voltage Protection (OVP) A = Assembly Location  \ninput is also combined on the same pin and protects the whole circuitry Y = Year  \nin case of optocoupler destruction or adverse open loop operation.   WPbo−rkFrWeeeePckage  \nFinally, a timer−based short−circuit protection offers the best  \nprotection scheme, allowing precisely select the protection trip point (Note: Microdot may be in either location) without caring of a loose coupling between the auxiliary and the power ~~  ~~windings.  \nNCP12510 is improved and pin compatible controller based on very PIN CONNECTIONS  \npopular flyback controller NCP1250 . GND  1    6  DRV  \nFeatures    \nFB  2  5  V CC  \n• Fixed−Frequency 65 kHz or 100 kHz Current−Mode Control   \nOperation OPP/Latch  3   4  CS  \n• Frequency Foldback Down to 26 kHz and Skip−Cycle in Light Load  \nConditions (Top View)  \n• Frequency Jittering in Normal and Frequency Foldback Modes ~~ ~~  \n• Internal and Adjustable Over Power Protection (OPP) Circuit ORDERING INFORMATION  \n• Auto−Recovery Over Voltage Protection (OVP) on the VCC Pin See detailed ordering, marking and shipping information on  \n• Internal and Adjustable Slope Compensation page 2 of this data sheet.  \n• Internal Fixed 4 ms Soft−Start  \n• Auto−Recovery or Latched Short−Circuit Protection • EPS 2.0 Compliant  \n• Pre−Short Ready for Latched OCP Version • This is a Pb−Free Device  \n• OVP/OTP Latch Input for Improved Robustness  \nTypical Applications  \n• +300 mA/ −500 mA Source/Sink Drive Capability  \n• Ac−dc Converters for TVs, Set−top Boxes and DVD  \n• Improved Consumption Players  \n• Improved Reset Time in Latch State • Offline Adapters for Notebooks and Netbooks  \n• High Robustness and High ESD Capabilities  \nMARKING DIAGRAM  \n© Semiconductor Components Industries, LLC, 2016  \nFebruary, 2021 − Rev. 6  \n1 Publication Order Number: NCP12510/D  \nNCP12510  \nFigure 1. Typical Application Example  \nTable 1. PIN DESCRIPTION  \n\n| Pin No | Pin Name | Function | Pin Description |\n| --- | --- | --- | --- |\n| 1 | GND | − | The controller ground. |\n| 2 | FB | Feedback pin | Hooking an optocoupler collector to this pin will allow regulation. |\n| 3 | OPP/Latch | Adjust the Over Power Protection Latches off the part | A resistive divider from the auxiliary winding to this pin sets the OPP compensation level during the on−time. When the voltage exceeds a certain level at turn off, the part is fully latched off. |\n| 4 | CS | Current sense + slope compensation | This pin monitors the primary peak current but also offers a means to introduce slope compensation. |\n| 5 | V CC | Supplies the controller − protects the IC | This pin is connected to an external auxiliary voltage. When the V CC exceeds a certain level, the part enters an auto−recovery hiccup. |\n| 6 | DRV | Driver output | The driver output to an external MOSFET gate. |\n\nTable 2. DEVICE OPTIONS AND ORDERING INFORMATION  \n\n| Controller (Note 1) | Package\u003Cbr>Marking","cbCaicU4FSang3Ik","https://ap.wps.com/l/cbCaicU4FSang3Ik","pdf",839290,28,"English","# Features\n## Protection and operation modes\n## Typical applications\n## Pin description\n## Device options and ordering information","[{\"question\":\"What switching frequency behavior does the NCP12510 provide?\",\"answer\":\"It runs in fixed-frequency peak current mode at 65 kHz or 100 kHz, then automatically folds back down to a minimum of 26 kHz when power decreases, and enters skip-cycle during light-load conditions.\"},{\"question\":\"How does the NCP12510 implement over power and over voltage protection?\",\"answer\":\"Internal and adjustable OPP uses two external resistors to set compensation, while auto-recovery OVP is combined on the VCC pin to protect against optocoupler destruction or adverse open-loop operation.\"},{\"question\":\"What does the controller do for short-circuit and startup reliability?\",\"answer\":\"A timer-based short-circuit protection selects a trip point precisely without concern for loose coupling, and the device includes an internal fixed 4 ms soft-start to improve robustness during power-up.\"}]","NCP12510 - Current-Mode PWM Controller for Off-line Power Supplies | PDF",1791806399,71]