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Power Circuits / Switching Regulator or Controllers / NCP1239AD65R2G
Datasheets
NCP1239AD65R2G by: onsemi

Fixed Frequency Current Mode Controller for Flyback Converter with HV startup, SOIC-7, 2500-REEL

Part Details for NCP1239AD65R2G by onsemi

Results Overview of NCP1239AD65R2G by onsemi

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NCP1239AD65R2G Information

NCP1239AD65R2G by onsemi is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Price & Stock for NCP1239AD65R2G

Part # Distributor Description Stock Price Buy
DISTI # 31AC0321
Newark Low-Standby Power High Performance Current Mode Pwm Controller/ Reel |Onsemi NCP1239AD65R2G RoHS: Not Compliant Min Qty: 2500 Package Multiple: 1 Date Code: 0 Container: Bulk 0
  • 2,500 $0.3960
  • 10,000 $0.3850
$0.3850 / $0.3960 Buy Now
DISTI # 488-NCP1239AD65R2GCT-ND
DigiKey IC OFFLINE SWITCH FLYBACK 7SOIC Min Qty: 1 Lead time: 22 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 3459
In Stock
  • 1 $1.6500
  • 10 $1.0140
  • 25 $0.8496
  • 100 $0.6632
  • 250 $0.5716
  • 500 $0.5152
  • 1,000 $0.4679
  • 2,500 $0.4171
  • 5,000 $0.3858
  • 7,500 $0.3699
  • 12,500 $0.3694
$0.3694 / $1.6500 Buy Now
DISTI # NCP1239AD65R2G
Avnet Americas NCP1239A 65KHZ - Tape and Reel (Alt: NCP1239AD65R2G) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 22 Weeks, 0 Days Container: Reel 0
  • 2,500 $0.3989
  • 5,000 $0.3901
  • 10,000 $0.3812
  • 15,000 $0.3723
  • 20,000 $0.3635
$0.3635 / $0.3989 Buy Now
DISTI # 863-NCP1239AD65R2G
Mouser Electronics Switching Controllers NCP1239A 65KHZ RoHS: Compliant 1371
  • 1 $1.6400
  • 10 $1.0200
  • 25 $0.8500
  • 100 $0.6640
  • 250 $0.5720
  • 500 $0.5160
  • 1,000 $0.4310
  • 2,500 $0.3830
  • 7,500 $0.3690
$0.3690 / $1.6400 Buy Now
Onlinecomponents.com Fixed Frequency Current Mode Controller for Flyback Converter with HV startup RoHS: Compliant 0
  • 2,500 $0.3838
  • 5,000 $0.3740
  • 7,500 $0.3684
  • 10,000 $0.3629
  • 15,000 $0.3575
  • 25,000 $0.3521
$0.3521 / $0.3838 Buy Now
Rochester Electronics NCP1239A 65KHZ RoHS: Compliant Status: Active Min Qty: 1 3102
  • 1 $0.4104
  • 25 $0.4022
  • 100 $0.3858
  • 500 $0.3694
  • 1,000 $0.3488
$0.3488 / $0.4104 Buy Now
Chip 1 Exchange INSTOCK 5713
RFQ
DISTI # NCP1239AD65R2G
Avnet Silica NCP1239A 65KHZ (Alt: NCP1239AD65R2G) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 23 Weeks, 0 Days Silica - 5000
Buy Now
DISTI # NCP1239AD65R2G
EBV Elektronik NCP1239A 65KHZ (Alt: NCP1239AD65R2G) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 24 Weeks, 0 Days EBV - 0
Buy Now
Wuhan P&S - Min Qty: 1 4395
  • 1 $1.0400
  • 100 $0.6600
  • 500 $0.5500
  • 1,000 $0.5000
$0.5000 / $1.0400 Buy Now

Part Details for NCP1239AD65R2G

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NCP1239AD65R2G Part Data Attributes

Parametric Data
NCP1239AD65R2G onsemi
Buy Now Datasheet
Compare Parts:
NCP1239AD65R2G onsemi Fixed Frequency Current Mode Controller for Flyback Converter with HV startup, SOIC-7, 2500-REEL
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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer ONSEMI
Part Package Code SOIC-7
Package Description SOIC-8/7
Manufacturer Package Code 751U
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 22 Weeks
Samacsys Manufacturer onsemi
Analog IC - Other Type SWITCHING CONTROLLER
Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 35 V
Input Voltage-Min 9.4 V
Input Voltage-Nom 11 V
JESD-30 Code R-PDSO-G7
JESD-609 Code e3
Length 4.9 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 7
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP7/8,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Seated Height-Max 1.75 mm
Supply Current-Max (Isup) 4 mA
Surface Mount YES
Switcher Configuration SINGLE
Switching Frequency-Max 65 kHz
Temperature Grade AUTOMOTIVE
Terminal Finish MATTE TIN
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 3.9 mm

NCP1239AD65R2G Related Parts

NCP1239AD65R2G Frequently Asked Questions (FAQ)

  • A good PCB layout for optimal thermal performance would be to have a solid ground plane on the bottom layer, and to use thermal vias to connect the exposed pad to the ground plane. This helps to dissipate heat efficiently.

  • To ensure reliable startup, make sure the input voltage rises monotonically and does not droop during startup. Also, ensure that the input capacitor is properly sized to handle the inrush current.

  • The maximum allowed voltage on the EN pin is 6V. Exceeding this voltage may damage the device.

  • Yes, the NCP1239AD65R2G is rated for operation up to 150°C. However, the device's performance and reliability may degrade at high temperatures. Ensure that the device is properly derated and that the system is designed to handle the reduced performance.

  • To troubleshoot issues with the device's output voltage regulation, check the input voltage, output voltage, and feedback voltage. Ensure that the feedback network is properly connected and that the output capacitor is properly sized. Also, check for any signs of overheating or excessive current draw.