NCP1126BP65G AC-DC Power Conversion by ON Semiconductor

High Voltage Switching Regulator for Offline SMPS

Status: Active
Series: NCP1126
RoHS: Compliant
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The NCP1126 products integrates a fixed−frequency peak current mode controller with a low on− resistance high voltage, 650 V MOSFET. Available in a PDIP−7 package, the NCP1126 offers a high level of integration, including soft−start, frequency−jittering, short−circuit protection, thermal shutdown protection, frequency foldback mode and skip−cycle to reduce power consumption in light load condition, peak current mode control with adjustable internal ramp compensation and adjustable peak current set point. During nominal load operation, the part switches at one of the available frequencies (65 or 100 kHz). When the output power demand diminishes, the IC automatically enters frequency foldback mode and provides excellent efficiency at light loads. When the power demand reduces further, it enters into a skip mode to reduce the standby consumption down to no load condition. Protection feature include: a timer to detect an overload or a short−circuit event with auto−recovery or latch protection, and a built−in VCC overvoltage protection. The switcher also provides a jittered 65 kHz or 100 kHz switching frequency to improve the EMI.

Prices starting from US$0.73


Distributor Starting From Stock
Logo for Newark Electronics Newark Electronics US$0.73
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Logo for element14 element14 US$1.22
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Features

650 V Avalanche Rated MOSFET
FixedFrequency 65 or 100 kHz CurrentMode Control Operation
Frequency Foldback Down to 26 kHz and SkipCycle in Light Load Conditions
Adjustable Current Limit with External Resistor
50 ms Timer-Based Auto-Recovery Short-Circuit Protection
Frequency Jittering in Normal and Frequency Foldback Modes
Option for Auto-Recovery or Latched Short-Circuit Protection
Less than 100 mW Standby Power at High Line
Benefits
Rugged MOSFET for robust design
Ability to scale for efficiency or size
Eliminate acoustic noise and improved efficiency at light loads
Scale for various designs 5W~20W
Provides more robust protection without worrying about the coupling of the aux winding
Improved efficiency at light load / Improved EMI over the entire load
Flexible protection options
EPS 2.0 Compliant
Applications
Power Supply
Aux supply for TV, USB, Appliance
End Products
Power supply for DVD, STB, CD-Player

Specifications

Description NCP1126, 6-Ohm, Auto-recovery
Compliance Pb-free Halide free
Control Mode Current Mode
fsw Typ (kHz) 65
fJitter Typ (%) +/-5% of FSW
Stand-by Mode Yes
RDS(ON) Typ (Ω) 6
V(BR)DSS Max (V) 650
HV Start-up Min (V) Yes
UVLO 8.8
Short Circuit Protection Yes
Over Power Compensation No
Brown-out No
Latch No
Package Type PDIP-8

Alternative Descriptions

Ac/Dc Conv, Flyback, Dip-7 | Newark Electronics
AC/DC CONV, FLYBACK, DIP-7 | Farnell


Frequently Asked Questions

Where can I find additional details, specifications and documents for a NCP1126BP65G?

Additional datasheets, footprints and schematics for NCP1126BP65G are listed on our Part Details page. You can also find images and similar parts to NCP1126BP65G on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for NCP1126BP65G on our Product Comparison page. Access via the 'View Pricing & Stock' button to view NCP1126BP65G price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does NCP1126BP65G fall under?

The NCP1126BP65G is listed under Power Management > AC-DC Power Conversion > Offline Regulators.

Can I view similar or alternative parts?

You can view similar parts to NCP1126BP65G when available in the Offline Regulators range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the NCP1126BP65G you can contact the distributor directly for product support, shipping queries etc.

Is the NCP1126BP65G RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.

Which authorised distributors for NCP1126BP65G have stock available?

Authorised distributors including Newark Electronics, element14 and Farnell have stock available or on a lead time for NCP1126BP65G.

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