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NCP1126AP100G The ON Semiconductor NCP1126AP100G is an offline switcher IC designed for power supplies. It integrates a 650V MOSFET and operates at 100kHz.
Mfr Part #:

NCP1126AP100G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP1126AP100G is an offline switcher IC designed for power supplies. It integrates a 650V MOSFET and operates at 100kHz.
✓ Total Stock: 1,550 pcs
$ Price Range: $0.75

NCP1126AP100G Available from 1 distributor

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✓ Non-Authorised
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Flip Electronics ✓
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1,550 pcs
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NCP1126AP100G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Lead Style
Mounting Type
Operating Temperature
Output Isolation
Power (Watts)
SVHC Present
Supplier Device Package
Topology
Voltage
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NCP1126AP100G Description

Short technical summary and product information.

The NCP1126AP100G from ON Semiconductor is a high-voltage switcher IC designed for offline power supply applications. It features a 650V, 1.8A MOSFET with a low RDS(on) of 5.4 Ohms. This device operates at a fixed frequency of 100kHz and supports a wide input voltage range of 8.5V to 35V.

 

Key features include frequency foldback down to 26kHz for light load efficiency and skip-cycle mode to reduce standby power consumption. Protection features such as current limiting, over-temperature, over-voltage, and short-circuit protection are integrated for reliability. The NCP1126AP100G is suitable for applications requiring up to 32W of output power.

 

This component is housed in a 7-PDIP package and is designed for through-hole mounting. It offers isolated output and a duty cycle of 80%. The operating temperature range is -40°C to 150°C (TJ).

NCP1126AP100G Quick Information

Product Type: AC DC Converter, Offline Switcher
Canonical Name: NCP1126AP100G High Voltage Switcher for Offline Power Supplies
Subcategory: AC DC Converters

NCP1126AP100G Compliance

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

NCP1126AP100G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP1126AP100G Features

  • Integrated 650V, 1.8A MOSFET.
  • Fixed 100kHz switching frequency.
  • Up to 32W output power.
  • Frequency foldback for light loads.
  • Comprehensive fault protection features.

NCP1126AP100G Applications

  • Ideal for offline power supplies.
  • Suitable for flyback converters.
  • Used in power adapter designs.
  • Applications requiring isolated output.

NCP1126AP100G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the NCP1126AP100G?

8.5 V to 35 V.

What package does the NCP1126AP100G come in?

7-lead PDIP (8-DIP with 7 leads, 0.300" body width).

What is the operating temperature range?

-40°C to 150°C (junction temperature).

What is the typical output power?

32 W at 230 Vac / 15% adapter.

What switching frequency does the NCP1126AP100G use?

100 kHz nominal, with jittered operation and frequency foldback down to 26 kHz under light load.

What protections are included?

Current limiting, over temperature, over voltage, and short circuit protection.

Is the NCP1126AP100G lead-free?

Yes, it is lead-free (Pb-Free).

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