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NCP1377BD1R2G The ON Semiconductor NCP1377BD1R2G is a Flyback topology offline switch IC. It operates with a supply voltage range of 7.5V to 18V and features a switching frequency up to 300kHz.
Mfr Part #:

NCP1377BD1R2G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP1377BD1R2G is a Flyback topology offline switch IC. It operates with a supply voltage range of 7.5V to 18V and features a switching frequency up to 300kHz.
✓ Total Stock: 970 pcs
$ Price Range: $0.75

NCP1377BD1R2G Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
970 pcs
On Request
970 pcs On Request 1 On Request On Request 1933+ On Request On Request
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NCP1377BD1R2G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Fault Protection
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Supplier Device Package
Supplier Package
Supply Voltage
Topology
Voltage
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NCP1377BD1R2G Description

Short technical summary and product information.

The ON Semiconductor NCP1377BD1R2G is an integrated circuit designed for offline flyback power supply applications. It operates within a supply voltage range of 7.5V to 18V and supports switching frequencies up to 300kHz.

 

This IC features fault protection including current limiting, over-temperature, and over-voltage protection. It is designed for isolated output configurations and utilizes a surface mount package.

 

Key electrical specifications include a start-up voltage of 12.5V and a wide operating temperature range of -40°C to 125°C (TJ). The device is packaged in an 8-SOIC (0.154", 3.90mm Width) with 7 leads, suitable for surface mounting.

 

Typical applications include AC-DC adapters, offline battery chargers, and auxiliary power supplies for consumer electronics.

NCP1377BD1R2G Quick Information

Product Type: Offline Switch IC
Canonical Name: NCP1377BD1R2G PWM Current-Mode Controller
Subcategory: Offline Switch

NCP1377BD1R2G Compliance

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

NCP1377BD1R2G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP1377BD1R2G Features

  • PWM current-mode controller for quasi-resonant operation.
  • Features latched overvoltage protection.
  • Auto-recovery short-circuit protection included.
  • Operates at switching frequencies up to 300kHz.
  • Surface mount 7-SOIC package.

NCP1377BD1R2G Applications

  • Ideal for AC-DC adapters.
  • Suitable for offline battery chargers.
  • Used in consumer electronics.
  • Applicable for auxiliary power supplies.

NCP1377BD1R2G FAQs

7 frequently asked questions generated from this part’s specifications.
What supply voltage does the NCP1377BD1R2G require?

The supply voltage range is 7.5V to 18V.

What is the start-up voltage of this controller?

The start-up voltage is 12.5V.

What package is the NCP1377BD1R2G available in?

It is available in a 7-SOIC surface-mount package (8-SOIC body with 7 leads).

What is the operating temperature range?

-40°C to 125°C (junction temperature).

What is the maximum switching frequency?

Up to 300 kHz.

Does the NCP1377BD1R2G have an internal switch?

No, it requires an external MOSFET for switching.

What protections are included?

Current limiting, over-temperature, and over-voltage protection.

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