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NCP1340B7D1R2G The ON Semiconductor NCP1340B7D1R2G is a high-voltage, quasi-resonant flyback controller. It is designed for high-performance off-line power converters and comes in a 9-SOIC package.
Mfr Part #:

NCP1340B7D1R2G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP1340B7D1R2G is a high-voltage, quasi-resonant flyback controller. It is designed for high-performance off-line power converters and comes in a 9-SOIC package.
✓ Total Stock: 11,000 pcs
$ Price Range: $0.75

NCP1340B7D1R2G Available from 2 distributors

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✓ Non-Authorised
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Flip Electronics ✓
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10,000 pcs
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10000 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
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1,000 pcs
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1000 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

NCP1340B7D1R2G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Fault Protection
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
SVHC Present
Supplier Device Package
Topology
Voltage
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NCP1340B7D1R2G Description

Short technical summary and product information.

The NCP1340B7D1R2G from ON Semiconductor is a highly integrated quasi-resonant flyback controller designed for high-performance off-line power converters. It operates within a wide VCC range of 9 V to 28 V and is housed in a 9-SOIC package suitable for surface mounting.

 

This controller features proprietary valley-lockout circuitry for stable valley switching, transitioning to frequency foldback mode to reduce switching losses at light loads. It also includes quiet-skip mode for minimized acoustic noise. For robust operation, the NCP1340B7D1R2G incorporates several protective features such as internal brownout detection, non-dissipative Over Power Protection (OPP), latched overvoltage protection, and NTC-ready overtemperature protection.

 

Additional features include integrated high-voltage startup, X2 capacitor discharge capability, abnormal overcurrent fault protection, and a 4 ms soft-start timer. The device is designed for applications requiring efficient and reliable power conversion.

NCP1340B7D1R2G Quick Information

Product Type: Offline Switch Controller
Series: NCP1340
Canonical Name: NCP1340 Quasi-Resonant Flyback Controller
Subcategory: Offline Switch Controllers

NCP1340B7D1R2G Compliance

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

NCP1340B7D1R2G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP1340B7D1R2G Features

  • High-voltage quasi-resonant flyback controller.
  • Wide 9 V to 28 V VCC operating range.
  • Integrated fault protection features.
  • Valley switching and frequency foldback.
  • Surface mount 9-SOIC package.

NCP1340B7D1R2G Applications

  • Designing high-performance power converters.
  • Off-line power supply applications.
  • Applications requiring low noise operation.
  • Systems needing robust fault protection.

NCP1340B7D1R2G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the NCP1340B7D1R2G?

The operating voltage range is 9 V to 28 V.

What is the operating temperature range for this controller?

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

What type of topology does the NCP1340B7D1R2G use?

The topology used is Flyback.

What fault protection features are included?

It includes current limiting, over load, over power, over temperature, over voltage, and short circuit protection.

Does the NCP1340B7D1R2G have an internal switch?

No, it does not have an internal switch.

What is the package type for the NCP1340B7D1R2G?

The package is 10-SOP (0.154", 3.90mm Width), 9 Leads, and the supplier device package is 9-SOIC.

How is the NCP1340B7D1R2G mounted?

It is a surface mount device.

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