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NCP12400CBHAA0DR2G The On Semiconductor NCP12400CBHAA0DR2G is a fixed-frequency current-mode controller designed for flyback converters. It operates at 65kHz with a voltage range of 8.9V to 28V.
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NCP12400CBHAA0DR2G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor NCP12400CBHAA0DR2G is a fixed-frequency current-mode controller designed for flyback converters. It operates at 65kHz with a voltage range of 8.9V to 28V.
✓ Total Stock: 35,000 pcs
$ Price Range: $0.75

NCP12400CBHAA0DR2G Available from 1 distributor

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✓ Non-Authorised
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35,000 pcs
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NCP12400CBHAA0DR2G 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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NCP12400CBHAA0DR2G Description

Short technical summary and product information.

The NCP12400CBHAA0DR2G from On Semiconductor is a fixed-frequency current-mode controller specifically designed for flyback converter applications. This device simplifies auxiliary supply and VCC capacitor design through its Dynamic Self-Supply feature, activating an internal startup current source for various operational states.

 

Key electrical specifications include a nominal operating frequency of 65 kHz, with options for 100 kHz also available. It supports a wide operating voltage range from 8.9V to 28V and features 80% duty cycle. The controller includes comprehensive fault protection, covering over load, over power, over temperature, and over voltage conditions.

 

This component is housed in a 7-SOIC package, with a specific footprint of 8-SOIC (0.154", 3.90mm Width), 7 Leads. It is designed for surface mount applications and operates within a temperature range of -40°C to 150°C (TJ). The topology is Flyback, and it provides isolated output.

 

The NCP12400 series offers features like frequency foldback for improved light load efficiency and a dedicated Off Mode for extremely low no-load standby power consumption. It also includes frequency modulation for a softened EMI signature and an adjustable overpower protection dependent on the mains voltage.

NCP12400CBHAA0DR2G Quick Information

Product Type: AC DC Converter, Offline Switch
Canonical Name: NCP12400 Fixed Frequency Current Mode Controller for Flyback Converters
Subcategory: AC DC Converters

NCP12400CBHAA0DR2G Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

NCP12400CBHAA0DR2G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP12400CBHAA0DR2G Features

  • Fixed-frequency current-mode operation.
  • Dynamic Self-Supply simplifies VCC circuitry.
  • Timer-based overload protection included.
  • Frequency foldback for light load efficiency.
  • Surface mount 7-SOIC package.

NCP12400CBHAA0DR2G Applications

  • Designed for flyback converter applications.
  • Suitable for offline adapters.
  • Used in consumer electronic power supplies.
  • Supports battery charger designs.

NCP12400CBHAA0DR2G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the NCP12400CBHAA0DR2G?

The operating voltage range is 8.9V to 28V.

What package does the NCP12400CBHAA0DR2G come in?

It is available in a 7-SOIC package (8-SOIC with 7 leads) for surface-mount mounting.

What is the operating temperature range of the NCP12400CBHAA0DR2G?

The operating junction temperature range is -40°C to 150°C.

What is the switching frequency of the NCP12400CBHAA0DR2G?

The switching frequency is 65 kHz.

What is the maximum duty cycle of the NCP12400CBHAA0DR2G?

The maximum duty cycle is 80%.

What fault protection features does the NCP12400CBHAA0DR2G have?

It includes over-load, over-power, over-temperature, and over-voltage protection.

What topology is the NCP12400CBHAA0DR2G designed for?

It is designed for isolated flyback topologies.

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