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NCP1380BDR2G

8-pin SOIC package

Quantity Unit Price(USD) Ext. Price
1 $0.907 $0.91
10 $0.730 $7.30
30 $0.632 $18.96
100 $0.417 $41.70
500 $0.368 $184.00
1000 $0.346 $346.00

Inventory:6,179

*The price is for reference only.
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Overview of NCP1380BDR2G

The NCP1380BDR2G is a current-mode PWM controller designed for high-performance offline flyback converters. It features a wide operating voltage range and includes various protection features for robust and reliable power supply designs.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VCC: Power Supply Input
  • FB: Feedback Pin
  • CS: Current Sense Input
  • COMP: Compensation Pin
  • GND: Ground Connection
  • DRV: Gate Driver Output
  • SENSE: Voltage Sense
  • VDD: Internal Bias Supply

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the NCP1380BDR2G for a visual representation.

Key Features

  • Current-Mode PWM Controller: Provides precise control over the power output in flyback converters.
  • Wide Operating Voltage Range: Supports a broad input voltage range for versatile application compatibility.
  • Protection Features: Includes overcurrent protection, overvoltage protection, and thermal shutdown for enhanced safety.
  • Soft-Start Function: Fades in the output voltage smoothly during startup to prevent voltage spikes.
  • Internal Compensation: Simplifies external circuitry design and improves stability in power supply applications.
  • Internal Bias Supply: Integrated bias supply eliminates the need for an external bias voltage source.

Note: For detailed technical specifications, please refer to the NCP1380BDR2G datasheet.

Application

  • Offline Flyback Converters: Ideal for use in offline flyback power supply designs for various electronic devices.
  • AC-DC Power Supplies: Suitable for AC-DC power adapters, chargers, and auxiliary power supply applications.
  • LED Lighting: Used in LED driver circuits for efficient and reliable lighting solutions.

Functionality

The NCP1380BDR2G is a current-mode PWM controller specifically designed for offline flyback converters. It offers precise control over power output, wide input voltage range, and essential protection features for stable power supply operation.

Usage Guide

  • Power Supply: Connect VCC (Pin 1) to the power supply input within the specified voltage range.
  • Feedback Loop: Connect the FB (Pin 2) and COMP (Pin 4) pins to set the desired output voltage and loop compensation.
  • Protection: Ensure proper connection of overcurrent and overvoltage protection components for reliable operation.

Frequently Asked Questions

Q: What is the maximum operating voltage supported by the NCP1380BDR2G?
A: The NCP1380BDR2G can operate with a maximum voltage typically up to 30V.

Q: Does the NCP1380BDR2G require external compensation components?
A: The NCP1380BDR2G includes internal compensation circuitry, reducing the need for external compensation components.

Equivalent

For similar functionalities, consider these alternatives to the NCP1380BDR2G:

  • NCP1011ST65T3G: A PWM controller with similar functions and performance characteristics suitable for flyback converter applications.
  • NCP1337P: This current-mode controller offers comparable features for offline power supply designs, providing flexibility and reliability.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Status Active Compliance PbAHP
Package Type SOIC-8 Case Outline 751-07
MSL Type 1 MSL Temp (°C) 260
Container Type REEL Container Qty. 2500
ON Target Y Topology Flyback
Control Mode Current Mode fsw Typ (kHz) Variable
Stand-by Mode Yes UVLO (V) 9
Short Circuit Protection Yes Latch No
Soft Start Yes VCC Max (V) 28
Drive Cap. (mA) 500 / 800 Pricing ($/Unit) $0.4237Sample

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