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NCP1377D1R2G The On Semiconductor NCP1377D1R2G is a PWM current-mode controller designed for quasi-resonant operation. It operates within a 7.5V to 18V input voltage range and supports frequencies up to 100kHz.
Mfr Part #:

NCP1377D1R2G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor NCP1377D1R2G is a PWM current-mode controller designed for quasi-resonant operation. It operates within a 7.5V to 18V input voltage range and supports frequencies up to 100kHz.
✓ Total Stock: 2,694 pcs
$ Price Range: $0.75

NCP1377D1R2G 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
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
194 pcs
On Request
194 pcs On Request 1 On Request On Request 13+ 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.

NCP1377D1R2G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Fault Protection
Frequency
Halogen Free
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Supplier Device Package
Supplier Package
Topology
Voltage
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NCP1377D1R2G Description

Short technical summary and product information.

The NCP1377D1R2G from On Semiconductor is a PWM current-mode controller optimized for free-running quasi-resonant operation. This device ensures borderline/critical conduction mode across various load and line conditions, minimizing drain voltage switching.

 

Key electrical features include an operating voltage range of 7.5V to 18V and a maximum operating frequency of 100kHz. It incorporates essential protective features such as latched overvoltage protection, auto-recovery short-circuit protection via UVLO crossover, and internal temperature shutdown. The controller also includes a 1.0 ms soft-start feature to eliminate startup stress and a 4.5 µs sampling time.

 

Designed for isolated power supplies, the NCP1377D1R2G utilizes a Flyback topology. It is available in a compact 7-SOIC surface-mount package, making it suitable for space-constrained applications.

 

Typical applications include AC-DC adapters for notebooks, offline battery chargers, and consumer electronics like DVD players and set-top boxes.

NCP1377D1R2G Quick Information

Product Type: Offline Switch Controller
Canonical Name: NCP1377D1R2G PWM Current-Mode Controller
Subcategory: Offline Switch

NCP1377D1R2G Compliance

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

NCP1377D1R2G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP1377D1R2G Features

  • PWM current-mode controller for quasi-resonant operation.
  • Operates from 7.5V to 18V input voltage.
  • Supports frequencies up to 100kHz.
  • Includes overvoltage and short-circuit protection.
  • Available in a 7-SOIC surface-mount package.

NCP1377D1R2G Applications

  • Used in AC-DC adapters for notebooks.
  • Suitable for offline battery chargers.
  • Applied in consumer electronics devices.
  • Powers auxiliary power supplies.

NCP1377D1R2G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the NCP1377D1R2G?

The operating voltage range is 7.5 V to 18 V.

What is the maximum operating frequency of the NCP1377D1R2G?

The maximum operating frequency is 100 kHz.

What is the operating temperature range for this component?

The operating temperature range is -40°C to 125°C.

What fault protection features are included in the NCP1377D1R2G?

It includes current limiting, over temperature, and over voltage protection.

What is the package type for the NCP1377D1R2G?

The package is a 7-SOIC.

Is the NCP1377D1R2G RoHS compliant?

Yes, it is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the NCP1377D1R2G?

The MSL is 1.

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