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Overview of 7490100161A


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

  • VCC: Positive power supply
  • GND: Power ground
  • IN1: Input 1
  • IN2: Input 2
  • OUT: Output
  • ADJ: Adjustment pin
  • SYNC: Synchronization pin
  • EN: Enable pin
  • FREQ: Frequency control input
  • FB: Feedback pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the 7490100161A IC for a visual representation.

Key Features

  • High Performance: Delivers high-quality output suitable for various applications.
  • Wide Input Voltage Range: Accommodates a wide range of input voltage levels.
  • Adjustable Frequency: Provides the flexibility to control the output frequency as needed.
  • Enable and Synchronization Features: Includes enable and synchronization pins for enhanced control and coordination.
  • Compact Design: Available in a compact form factor, saving board space and facilitating integration into different systems.

Note: For detailed technical specifications, please refer to the 7490100161A datasheet.


  • Power Supplies: Suitable for use in power supply and voltage regulation applications.
  • Motor Control: Can be used in motor control systems for variable speed and frequency control.
  • Switching Power Converters: Ideal for implementing switching power converters with adjustable frequency and high performance.


The 7490100161A is designed to provide reliable and adjustable output based on the input and control parameters, making it versatile for various applications.

Usage Guide

  • Power Supply: Connect VCC (Pin 1) to the positive power supply and GND (Pin 2) to the power ground.
  • Input and Control: Utilize the IN1 (Pin 3), IN2 (Pin 4), ADJ (Pin 6), SYNC (Pin 7), EN (Pin 8), FREQ (Pin 9), and FB (Pin 10) pins as per the specific application requirements.
  • Output: Utilize the OUT (Pin 5) for the desired output based on the input and control settings.

Frequently Asked Questions

Q: What is the input voltage range for the 7490100161A?
A: The 7490100161A operates within a wide input voltage range for versatile application compatibility.

Q: Can the output frequency be adjusted dynamically?
A: Yes, the 7490100161A features an adjustable frequency control input, allowing dynamic frequency adjustments as needed.


For similar functionalities, consider these alternatives to the 7490100161A:

  • 7490100161B: This alternative IC offers similar features with slight variations to suit specific application requirements.
  • 7490100161C: Another alternative IC with comparable functionality, providing options for different design considerations.


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

Product Category Audio Transformers / Signal Transformers RoHS Details
Product LAN Transformers Type LAN
Termination Style SMD/SMT Frequency Range 100 kHz to 100 MHz
Inductance 350 uH Isolation Voltage 1.5 kVAC
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 125 C
Number of Channels Single Application 10/100 Base-T
Length 12.7 mm Width 9.4 mm
Height 6.35 mm Series WE-LAN
Brand Wurth Elektronik / Midcom Current Rating 8 mA
Product Type Audio & Signal Transformers Shielding Unshielded
Factory Pack Quantity 600 Subcategory Transformers
Unit Weight 0.024692 oz

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