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NCP12400BBBBB2DR2G The ON Semiconductor NCP12400BBBBB2DR2G is a fixed-frequency current-mode controller designed for flyback converters. It operates with a voltage range of 9.5V to 28V and is available in a 7-SOIC surface mount package.
Mfr Part #:

NCP12400BBBBB2DR2G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP12400BBBBB2DR2G is a fixed-frequency current-mode controller designed for flyback converters. It operates with a voltage range of 9.5V to 28V and is available in a 7-SOIC surface mount package.
✓ Total Stock: 2,500 pcs
$ Price Range: $0.75

NCP12400BBBBB2DR2G Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request On Request On Request On Request
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NCP12400BBBBB2DR2G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Supplier Device Package
Topology
Voltage
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NCP12400BBBBB2DR2G Description

Short technical summary and product information.

The NCP12400BBBBB2DR2G from ON Semiconductor is a fixed-frequency current-mode controller specifically designed for flyback converter applications. This component simplifies auxiliary supply design with its Dynamic Self-Supply feature and includes a high-voltage current source with brown-out detection.

 

Key electrical specifications include an operating voltage range of 9.5V to 28V and a fixed operating frequency of 65kHz. It offers features such as frequency foldback for light load efficiency, timer-based overload protection, and adjustable overpower protection dependent on the mains voltage. The device also incorporates frequency modulation for a softened EMI signature and has a fault input for overvoltage and overtemperature protection.

 

Designed for robustness, the NCP12400BBBBB2DR2G provides 300/500 mA source/sink peak current capability and includes internal thermal shutdown. It supports both latched and autorecovery fault operations. The controller is housed in a 7-SOIC package suitable for surface mounting.

 

Typical applications include offline adapters for notebooks, LCDs, and printers, as well as offline battery chargers and consumer electronic power supplies.

NCP12400BBBBB2DR2G Quick Information

Product Type: Offline Switch Controller
Canonical Name: NCP12400 Fixed Frequency Current Mode Controller for Flyback Converters
Subcategory: Offline Switchers

NCP12400BBBBB2DR2G Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb-Free

NCP12400BBBBB2DR2G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

NCP12400BBBBB2DR2G Features

  • Fixed-frequency current-mode operation.
  • Dynamic Self-Supply simplifies VCC circuitry.
  • Timer-based overload protection included.
  • Operates from 9.5V to 28V input.
  • Surface mount 7-SOIC package.

NCP12400BBBBB2DR2G Applications

  • Offline adapters for notebooks.
  • Offline battery chargers.
  • Consumer electronic power supplies.
  • Robust power supply designs.

NCP12400BBBBB2DR2G FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the NCP12400BBBBB2DR2G?

The operating voltage range is 9.5V to 28V.

What is the fixed operating frequency of this controller?

The fixed operating frequency is 65 kHz.

What type of package is the NCP12400BBBBB2DR2G in?

It is in a 7-SOIC package, suitable for surface mounting.

What is the operating temperature range?

The operating temperature range is -40°C to 125°C (TJ).

Does this controller have overload protection?

Yes, it features timer-based overload protection with latched or autorecovery operation.

What fault protection features are included?

It includes protection for Over Load, Over Power, Over Temperature, and Over Voltage.

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