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NCP1351ADR2G The ON Semiconductor NCP1351ADR2G is an offline switch controller designed for low-power off-line flyback Switched Mode Power Supplies. It features a Flyback topology and is housed in an 8-SOIC package.
Mfr Part #:

NCP1351ADR2G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP1351ADR2G is an offline switch controller designed for low-power off-line flyback Switched Mode Power Supplies. It features a Flyback topology and is housed in an 8-SOIC package.
✓ Total Stock: 40,000 pcs
$ Price Range: $0.75

NCP1351ADR2G Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
40,000 pcs
On Request
40000 pcs On Request 1 On Request On Request On Request On Request On Request
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NCP1351ADR2G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Fault Protection
Internal Switch(s)
Lead Spacing
Lead Style
Mounting Type
Operating Temperature
Output Isolation
Supplier Device Package
Topology
Voltage
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NCP1351ADR2G Description

Short technical summary and product information.

The NCP1351ADR2G from ON Semiconductor is a variable off-time PWM controller designed for cost-sensitive, low-power off-line flyback Switched Mode Power Supplies (SMPS). This controller utilizes a fixed peak current technique, decreasing its switching frequency as the load lightens, which results in excellent no-load power consumption and optimized efficiency across various loading conditions.

 

The device offers several protection features, including current limiting, over load, over power, and short circuit protection. It operates within a temperature range of -25°C to 125°C (TJ) and has an operating voltage range of 8.9V to 28V. The NCP1351ADR2G is designed with a Flyback topology and features an isolated output. It is supplied in an 8-SOIC package suitable for surface mounting.

 

Key features include quasi-fixed TON and variable TOFF current mode control, extremely low current consumption at startup, and peak current compression to reduce transformer noise. Its internal switch is not included, requiring external components for operation. The controller is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1.

NCP1351ADR2G Quick Information

Product Type: Offline Switch Controller
Canonical Name: NCP1351 Variable Off Time PWM Controller
Subcategory: Offline Switch Controllers

NCP1351ADR2G Compliance

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

NCP1351ADR2G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP1351ADR2G Features

  • Variable off-time PWM controller.
  • Optimized for low-power flyback SMPS.
  • Features isolated output and Flyback topology.
  • Surface mount 8-SOIC package.
  • Includes comprehensive fault protection.

NCP1351ADR2G Applications

  • Low-power off-line power supplies.
  • Cost-sensitive SMPS designs.
  • Consumer electronics adapters.
  • Standby power applications.

NCP1351ADR2G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range for the NCP1351ADR2G?

The operating temperature range for the NCP1351ADR2G is -25°C to 125°C (TJ).

What is the operating voltage range for this controller?

The operating voltage range for the NCP1351ADR2G is 8.9V to 28V.

What type of fault protection is included?

The NCP1351ADR2G includes fault protection for current limiting, over load, over power, and short circuit.

Does the NCP1351ADR2G have an internal switch?

No, the NCP1351ADR2G does not have an internal switch.

What is the topology of the NCP1351ADR2G?

The topology of the NCP1351ADR2G is Flyback.

Is the output isolated on this controller?

Yes, the output is isolated.

What package type is the NCP1351ADR2G supplied in?

The NCP1351ADR2G is supplied in an 8-SOIC package.

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