X-On Electronics has gained recognition as a prominent supplier of NCP1239BD65R2G Switching Controllers across the USA, India, Europe, Australia, and various other global locations. NCP1239BD65R2G Switching Controllers are a product manufactured by ON Semiconductor. We provide cost-effective solutions for Switching Controllers, ensuring timely deliveries around the world.

NCP1239BD65R2G ON Semiconductor

NCP1239BD65R2G electronic component of ON Semiconductor
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Part No.NCP1239BD65R2G
Manufacturer: ON Semiconductor
Category: Switching Controllers
Description: Switching Controllers NCP1239B 65KHZ
Datasheet: NCP1239BD65R2G Datasheet (PDF)
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
1: USD 0.8746 ea
Line Total: USD 0.87 
Availability - 1906
Ship by Fri. 15 Nov to Wed. 20 Nov
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
1906
Ship by Fri. 15 Nov to Wed. 20 Nov
MOQ : 1
Multiples : 1
1 : USD 0.8746
10 : USD 0.7695
30 : USD 0.7182
100 : USD 0.667
500 : USD 0.6367
1000 : USD 0.6202

   
Manufacturer
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RoHS - XON
Icon ROHS
Topology
Number of Outputs
Switching Frequency
Duty Cycle - Max
Input Voltage
Output Voltage
Output Current
Minimum Operating Temperature
Maximum Operating Temperature
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Cnhts
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Mxhts
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Notes:- Show Stocked Products With Similar Attributes.

We are delighted to provide the NCP1239BD65R2G from our Switching Controllers category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the NCP1239BD65R2G and other electronic components in the Switching Controllers category and beyond.

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Fixed Frequency CurrentMode Controller for Flyback Converter NCP1239 The NCP1239 is a fixed-frequency current-mode controller www.onsemi.com featuring a high-voltage start-up current source to provide a quick and lossless power-on sequence. This function greatly simplifies the design of the auxiliary supply and the V capacitor by activating the CC internal start-up current source to supply the controller during start-up, transients, latch, stand-by etc. With a supply range up to 35 V, the controller hosts a jittered 65 or SOIC7 100-kHz switching circuitry operated in peak current mode control. CASE 751U When the power on the secondary side starts to decrease, the controller automatically folds back its switching frequency down to minimum PIN CONNECTIONS level of 26 kHz. As the power further goes down, the part enters skip cycle while limiting the peak current that insures excellent efficiency Fault 1 8 HV in light load condition. NCP1239 features a timer-based fault detection circuitry that FB 2 ensures a quasi-flat overload detection, independent of the input voltage. 6 CS 3 VCC Features 4 5 GND DRV Fixed-Frequency 65-kHz or 100-kHz Current-Mode Control Operation Frequency Foldback Down to 26 kHz and Skip Mode to Maximize MARKING DIAGRAM Performance in Light Load Conditions Adjustable Over Power Protection (OPP) Circuit 8 High-Voltage Current Source with Brown-Out (BO) Detection 1239xfff Internal Slope Compensation ALYWX Internal Fixed Soft-Start Frequency Jittering in Normal and Frequency Foldback Modes 1 64-ms Timer-Based Short-Circuit Protection with Auto-Recovery or Latched Operation 1239xfff = Specific Device Code x = A, B, C, D, E, F, G, H, I, Pre-Short Ready for Latched OCP Versions J, K, L, M, N, P, Q or R Latched OVP on VCC Autorecovery for C and E Versions fff = 065 or 100 A = Assembly Location Latched OVP/OTP Input for Improved Robustness L = Wafer Lot 35-V V Operation CC Y = Year 500 mA Peak Source/Sink Drive Capability W = Work Week = PbFree Package Internal Thermal Shutdown Extremely Low No-Load Standby Power Pin-to-Pin Compatible with the Existing NCP1236/1247 Series ORDERING INFORMATION These Devices are Pb-Free and are RoHS Compliant See detailed ordering and shipping information on page 26 of this data sheet. Typical Applications AC-DC Converters for TVs, Set-Top Boxes and Printers Offline Adapters for Notebooks and Netbooks Semiconductor Components Industries, LLC, 2016 1 Publication Order Number October, 2020 Rev. 25 NCP1239/D. NCP1239 Vbulk Vout OVP NCP1239 1 8 2 3 6 45 OPP NTC adjsut. Figure 1. Application Schematic (OPP Adjustment) Table 1. PIN FUNCTION DESCRIPTION Pin No. Pin Name Description 1 Fault The controller enters fault mode if the voltage of this pin is pulled above or below the fault thresholds. A precise pull up current source allows direct interface with an NTC thermistor. Fault detection triggers a latch. 2 FB Hooking an optocoupler collector to this pin will allow regulation. 3 CS This pin monitors the primary peak current but also offers an overpower compensation adjustment. When the CS pin is brought above 1.2 V, the part is permanently latched off. 4 GND The controller ground. 5 DRV The drivers output to an external MOSFET gate. 6 VCC This pin is connected to an external auxiliary voltage. An OVP comparator monitors this pin and offers a means to latch the converter in fault conditions. 7 NC Non-connected for improved creepage distance. 8 HV Connected to the bulk capacitor or rectified ac line, this pin powers the internal current source to deliver a start- up current. It is also used to provide the brown-out detection and the HV sensing for the Overpower protection. www.onsemi.com 2

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:
FAIRCHILD
FAIRCHILD (ON SEMICONDUCTOR)
Fairchild Semiconductor
FS8
FSC
ON
ON SEMI
ON Semicon
ON SEMICONDUCTOR
ON SEMICONDUCTOR (FAIRCHILD)
ON Semiconductor / Fairchild
ON4
ON5
onsemi
ON-SEMI
onsemi / Fairchild
OOF
Xsens / Fairchild
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