NCP1377DR2 The NCP1377DR2 is an 8-SOIC packaged PWM current-mode controller from On Semiconductor. It operates within a 7.5V to 18V range and supports frequencies up to 100kHz.
Mfr Part #:

NCP1377DR2

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The NCP1377DR2 is an 8-SOIC packaged PWM current-mode controller from On Semiconductor. It operates within a 7.5V to 18V range and supports frequencies up to 100kHz.
✓ Total Stock: 5,245 pcs
$ Price Range: $0.75

NCP1377DR2 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
5,245 pcs
5245 pcs On Request 1 On Request On Request On Request On Request On Request

NCP1377DR2 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

NCP1377DR2 Description

Short technical summary and product information.

The NCP1377DR2 is a PWM current-mode controller designed for free-running quasi-resonant operation. Manufactured by On Semiconductor, this component is housed in an 8-SOIC package and is suitable for surface mount applications.

 

Key electrical specifications include an operating voltage range of 7.5V to 18V and a frequency capability of up to 100kHz. The device incorporates fault protection features such as current limiting, over-temperature protection, and over-voltage protection. It also includes a 1.0 ms soft-start feature to minimize startup stress.

 

This controller is designed for offline switch flyback topologies, providing isolated output. Its features make it suitable for various power supply applications, including AC-DC adapters and auxiliary power supplies.

 

The NCP1377DR2 is RoHS3 compliant and operates within a temperature range of -40°C to 125°C (TJ).

NCP1377DR2 Quick Information

Product Type: Offline Switch Controller
Canonical Name: NCP1377DR2 PWM Current-Mode Controller
Subcategory: Offline Switch Controller

NCP1377DR2 Compliance

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

NCP1377DR2 Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP1377DR2 Features

  • PWM current-mode controller for quasi-resonant operation.
  • Operates from 7.5V to 18V input voltage.
  • Frequency up to 100kHz.
  • Integrated over-voltage and over-temperature protection.
  • Surface mount 8-SOIC package.

NCP1377DR2 Applications

  • Suitable for offline switch flyback topologies.
  • Used in AC-DC adapters and chargers.
  • Applicable for consumer electronics power supplies.
  • Ideal for auxiliary power supplies.

NCP1377DR2 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the NCP1377DR2?

The operating voltage range is 7.5V to 18V.

What is the operating temperature range?

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

What package is the NCP1377DR2 available in?

It is available in an 8-SOIC (0.154", 3.90mm Width) surface-mount package.

What is the switching frequency of the NCP1377DR2?

The maximum switching frequency is 100 kHz.

What fault protection features does it have?

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

Does the NCP1377DR2 have an internal switch?

No, it does not have an internal switch; it requires an external power MOSFET.

What is the soft-start time?

The internal soft-start time is 1.0 ms.

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