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NCP1345Q00D1R2G The NCP1345Q00D1R2G is a highly integrated quasi-resonant flyback AC-DC converter from ON Semiconductor. It operates from 8V to 38V and features integrated fault protection and startup circuit.
Mfr Part #:

NCP1345Q00D1R2G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The NCP1345Q00D1R2G is a highly integrated quasi-resonant flyback AC-DC converter from ON Semiconductor. It operates from 8V to 38V and features integrated fault protection and startup circuit.
✓ Total Stock: 2,480 pcs
$ Price Range: $0.75

NCP1345Q00D1R2G Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
1,480 pcs
On Request
1480 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
1,000 pcs
On Request
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.

NCP1345Q00D1R2G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Fault Protection
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Supplier Device Package
Topology
Voltage
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NCP1345Q00D1R2G Description

Short technical summary and product information.

The NCP1345Q00D1R2G is a highly integrated quasi-resonant flyback AC-DC converter from ON Semiconductor. It operates from 8V to 38V and is designed for offline flyback power supplies. The device integrates a high-voltage startup circuit with brownout detection, eliminating the need for external startup components.

 

Key electrical specifications include an operating temperature range of -40°C to 125°C (TJ), primary-side based constant output current limiting, and comprehensive fault protection covering current limiting, overload, over power, over temperature, and over voltage. The VCCH pin supports up to 150V for connection to a high-voltage auxiliary winding, and VCC overvoltage protection is set at 36.5V.

 

Control features include frequency control and soft start for improved performance. The device also integrates X2 capacitor discharge capability, reducing external component count. This converter is suitable for a wide range of AC-DC power applications requiring efficient and reliable flyback topology.

NCP1345Q00D1R2G Quick Information

Product Type: AC-DC Converter / Offline Switch
Canonical Name: NCP1345Q00D1R2G Quasi-Resonant Flyback AC-DC Converter
Subcategory: AC-DC Converters

NCP1345Q00D1R2G Compliance

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

NCP1345Q00D1R2G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP1345Q00D1R2G Features

  • Quasi-resonant flyback topology for efficient power conversion.
  • Integrated high-voltage startup circuit with brownout detection.
  • Primary side based constant output current limiting.
  • Comprehensive fault protection: current limiting, overload, over power, over temperature, over voltage.
  • Integrated X2 capacitor discharge capability.

NCP1345Q00D1R2G Applications

  • Ideal for AC-DC power supplies and adapters.
  • Suitable for offline flyback converters.
  • Used in consumer and industrial power applications.
  • Applicable for auxiliary power supplies.

NCP1345Q00D1R2G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the NCP1345Q00D1R2G?

8V to 38V.

What is the operating temperature range?

-40°C to 125°C (TJ).

What fault protections are included?

Current limiting, overload, over power, over temperature, over voltage.

Does it have a startup circuit?

Yes, it has an integrated high-voltage startup circuit with brownout detection.

What is the VCC overvoltage protection threshold?

36.5V.

What control features does it have?

Frequency control and soft start.

Does it support X2 capacitor discharge?

Yes, it has integrated X2 capacitor discharge capability.

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