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NCP1055ST100T3G The ON Semiconductor NCP1055ST100T3G is an isolated offline switch IC featuring a flyback topology. It operates with a 100kHz switching frequency and delivers up to 40W of power.
Mfr Part #:

NCP1055ST100T3G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP1055ST100T3G is an isolated offline switch IC featuring a flyback topology. It operates with a 100kHz switching frequency and delivers up to 40W of power.
✓ Total Stock: 6,669 pcs
$ Price Range: $0.75

NCP1055ST100T3G Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
3,539 pcs
On Request
3539 pcs On Request 1 On Request On Request On Request On Request On Request
Flip Electronics ✓
Non-Authorised Inventory information
3,130 pcs
On Request
3130 pcs On Request 1 On Request On Request On Request On Request On Request
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NCP1055ST100T3G 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
Power (Watts)
Supplier Device Package
Supplier Package
Topology
Voltage
Voltage Supply
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NCP1055ST100T3G Description

Short technical summary and product information.

The ON Semiconductor NCP1055ST100T3G is an integrated circuit designed for offline switching power supplies. It utilizes a flyback topology and features an internal switch, simplifying circuit design. This device offers a breakdown voltage of 700V and operates within a supply voltage range of 7.5V to 10V.

 

The switching frequency is set at 100kHz, with a duty cycle of 77%, enabling efficient power conversion up to 40W. The IC includes comprehensive fault protection, such as current limiting, open loop, overload, and over-temperature protection, ensuring reliable operation.

 

Packaged in a SOT-223 (TO-261) surface mount case, the NCP1055ST100T3G is suitable for various AC/DC converter applications. Its operating temperature range is -40°C to 150°C (TJ).

 

This component is classified under Power Management ICs, specifically within the AC DC Converters, Offline Switches category.

NCP1055ST100T3G Quick Information

Product Type: Offline Switch IC
Canonical Name: NCP1055ST100T3G Offline Switch Flyback IC
Subcategory: AC DC Converters, Offline Switches

NCP1055ST100T3G Compliance

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

NCP1055ST100T3G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP1055ST100T3G Features

  • Isolated flyback offline switch IC.
  • 700V breakdown voltage rating.
  • 100kHz switching frequency.
  • 40W maximum power output.
  • SOT-223 surface mount package.

NCP1055ST100T3G Applications

  • Used in offline AC/DC converters.
  • Suitable for flyback power supplies.
  • Enables efficient power conversion.
  • Incorporates fault protection features.

NCP1055ST100T3G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the breakdown voltage of the NCP1055ST100T3G?

The breakdown voltage is 700V.

What is the switching frequency of this offline switch IC?

The switching frequency is 100kHz.

What is the maximum power output for the NCP1055ST100T3G?

The maximum power output is 40W.

What type of package is the NCP1055ST100T3G in?

It is in a TO-261-4, TO-261AA package, also referred to as SOT-223 (TO-261).

What is the operating temperature range for this component?

The operating temperature range is -40°C to 150°C (TJ).

Does the NCP1055ST100T3G have internal switches?

Yes, it has internal switches.

What fault protection features are included?

It includes current limiting, open loop, over load, and over temperature protection.

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