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UC2842BN +BOM

Current Mode PWM

UC2842BN Information

Description

Here's a concise introduction to the UC2842BN: The STMicroelectronics UC2842BN is a high-performance current mode pulse width modulation (PWM) controller IC packaged in a MiniDIP-8 configuration. This device offers adjustable frequency and duty cycle, making it well-suited for power supply applications such as DC-DC converters, LED drivers, battery chargers, industrial motor drives, uninterruptible power supplies (UPS), and automotive power management systems. The UC2842BN features a precision oscillator and error amplifier for stable operation, and incorporates protection mechanisms like overcurrent and overvoltage protection to ensure reliable performance. Its wide operating voltage range and temperature stability further enhance its versatility. By incorporating the UC2842BN into your design, you can efficiently manage power delivery while minimizing complexity and cost.

Features

The features of the UC2842BN include:

  • Adjustable frequency and duty cycle, making it suitable for power supply applications
  • Precision oscillator and error amplifier for stable operation
  • Protection features such as:
  • + Overcurrent protection
  • + Overvoltage protection
  • Wide operating voltage range and temperature stability

Package

The package type of UC2842BN is MiniDIP-8.

Pinout

The UC2842BN has a MiniDIP-8 package with 8 pins. Here's a concise breakdown of each pin's function: 1. VCC: Positive supply voltage 2. GND: Ground 3. OUT: PWM output 4. COMP: Error amplifier input 5. REF: Reference voltage input 6. OSC: Oscillator input 7. FB: Feedback input 8. EN: Enable input Please note that this information is based on the provided product description and may not be an exhaustive list of all possible pin functions or specifications.

Manufacturer

The manufacturer of the UC2842BN is STMicroelectronics, a multinational semiconductor company that designs, develops, manufactures, tests, packages, and operates high-performance integrated circuits for automotive, industrial, and consumer markets.

Applications

The UC2842BN is commonly used in switching power supply applications such as DC-DC converters, LED drivers, and battery chargers. It can also be utilized in industrial motor drives, uninterruptible power supplies (UPS), and automotive power management systems.

Equivalent

The equivalent products to UC2842BN are:

  • Texas Instruments' UCC2803 Series
  • Power Integrations' LNK3060x Series

These PWM controllers offer similar features, performance, and applications as the UC2842BN.

Specifications

Category Integrated Circuits (ICs)Power Management (PMIC)DC DC Switching Controllers Output Type Transistor Driver
Function Step-Up, Step-Up/Step-Down Output Configuration Positive, Isolation Capable
Topology Boost, Flyback Number of Outputs 1
Output Phases 1 Voltage - Supply (Vcc/Vdd) 10V ~ 30V
Frequency - Switching Up to 500kHz Duty Cycle (Max) 96%
Synchronous Rectifier No Clock Sync No
Serial Interfaces - Control Features Frequency Control
Operating Temperature -25°C ~ 85°C (TA) Mounting Type Through Hole
Base Product Number UC2842 Package/Case DIP8

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Ratings and Reviews

More
M
M**h 11/16/2022

It's been 20 days, i mean, it! I recommend!

11
J
J**n 10/16/2022

A lot of measurements, it came fast. Good seller

12
A
A**n 10/31/2021

It was two weeks, in general norms.

15

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UC2842BN Datasheet PDF

Preliminary Specification UC2842BN PDF Download

UC2842BN PDF Preview

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