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NCP1200P40G The ON Semiconductor NCP1200P40G is an 8-PDIP packaged PWM current-mode controller designed for low-power universal off-line supplies. It operates at a fixed frequency of 40kHz.
Mfr Part #:

NCP1200P40G

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP1200P40G is an 8-PDIP packaged PWM current-mode controller designed for low-power universal off-line supplies. It operates at a fixed frequency of 40kHz.
✓ Total Stock: 14,542 pcs
$ Price Range: $0.75

NCP1200P40G Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
14,450 pcs
On Request
14450 pcs On Request 1 On Request On Request On Request On Request On Request
Spartce Electronics. ✓
Non-Authorised Inventory information
55 pcs
On Request
55 pcs On Request 1 On Request On Request On Request On Request On Request
Partservice ✓
Non-Authorised Inventory information
37 pcs
On Request
37 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.

NCP1200P40G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Lead Spacing
Lead Style
Mounting Type
Operating Temperature
Output Isolation
SVHC Present
Supplier Device Package
Supplier Package
Topology
Voltage
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NCP1200P40G Description

Short technical summary and product information.

The NCP1200P40G from ON Semiconductor is a PWM current-mode controller specifically designed for low-power universal off-line switching power supplies. It is housed in an 8-PDIP through-hole package.

 

This controller features an internal structure operating at a fixed frequency of 40 kHz, making it suitable for driving low gate-charge switching devices like MOSFETs. It simplifies the design of reliable and cost-effective offline converters with inherent pulse-by-pulse control. The device supports an 80% duty cycle and a maximum voltage of 16V.

 

Key features include current limiting, over load, and short circuit fault protection. The topology is Flyback with isolated output. The operating temperature range is -25°C to 125°C (TJ). This component is designed for applications such as AC-DC adapters and offline battery chargers, offering an ultra-compact solution for switchmode power supplies.

 

It is mounted via a through-hole method. The RoHS status is listed as RoHS3 Compliant, MSL is 1, and REACH status is Unaffected, though these compliance details carry a low confidence due to unverified sources.

NCP1200P40G Quick Information

Product Type: AC DC Converter
Canonical Name: NCP1200 PWM Current-Mode Controller
Subcategory: Offline Switch

NCP1200P40G Compliance

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

NCP1200P40G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP1200P40G Features

  • PWM current-mode controller for off-line supplies.
  • Fixed 40kHz operating frequency.
  • 80% maximum duty cycle.
  • Isolated Flyback topology.
  • Through-hole 8-PDIP package.

NCP1200P40G Applications

  • Used in AC-DC offline power supplies.
  • Ideal for flyback converter designs.
  • Suitable for isolated power applications.
  • Works in industrial temperature environments.

NCP1200P40G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating frequency of the NCP1200P40G?

The NCP1200P40G operates at 40 kHz.

What is the maximum duty cycle?

The maximum duty cycle is 80%.

What is the maximum supply voltage?

The maximum supply voltage is 16 V.

What is the operating temperature range?

The operating junction temperature range is -25°C to 125°C.

What fault protection features does it have?

It includes current limiting, overload, and short circuit protection.

What package does the NCP1200P40G come in?

It comes in an 8-DIP (0.300", 7.62mm) through-hole package (8-PDIP).

What topology does it support?

It supports flyback topology with isolated output.

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