This website uses cookies. By using this site, you consent to the use of cookies. For more information, please take a look at our Privacy Policy.

UC2842AN +BOM

30-V, 1-A, 500KHz current mode PWM controller with 16V/10V UVLO 100% duty cycle, 40C to 85C

UC2842AN Information

Description

The Texas Instruments UC2842AN is a high-performance, adjustable DC-DC controller IC that offers excellent performance in a wide range of power management applications. This robust device features a precision reference voltage, error amplifier, current-sense comparator, oscillator, soft-start capability, under-voltage lockout, over-current protection, and an adjustable duty cycle, making it highly versatile. Capable of boosting, flying-back, stepping up, or stepping down DC-DC conversion, the UC2842AN is ideal for applications such as SMPS (Switched Mode Power Supplies), DC-DC converters, electronic ballasts, battery chargers, power supplies, and LED drivers. With a wide input voltage range and high output current capability, this controller IC ensures efficient regulation of voltage and current output in various power management circuits.

Features

According to the product information, the features of the UC2842AN are:

  • High-speed PWM controller
  • Precision reference voltage
  • Error amplifier
  • Current-sense comparator
  • Oscillator
  • Soft-start capability
  • Under-voltage lockout
  • Over-current protection
  • Adjustable duty cycle
  • Wide input voltage range (0-1)
  • High output current capability

Package

The package type of UC2842AN is Dual-In-Line Packages - P (R-PDIP-T8).

Pinout

The UC2842AN has an 8-pin PDIP package. The pin functions are:

  • Pin 1: VCC (Positive Input Voltage)
  • Pin 2: COMP (Error Amplifier Output)
  • Pin 3: OUT (Output)
  • Pin 4: CTRL (Control Input)
  • Pin 5: REF (Reference Voltage)
  • Pin 6: CS (Current Sense Input)
  • Pin 7: OSC (Oscillator Input)
  • Pin 8: GND (Ground)

This IC is a high-speed PWM controller with features like precision reference voltage, error amplifier, current-sense comparator, oscillator, soft-start capability, under-voltage lockout, and over-current protection. It's suitable for various applications such as SMPS, DC-DC converters, electronic ballasts, battery chargers, power supplies, and LED drivers.

Manufacturer

The manufacturer of the UC2842AN is Texas Instruments (TI), a leading American technology company that designs, manufactures, and sells semiconductors and other electronic components. TI is a global leader in the development and manufacturing of analog and embedded processing technologies. The company was founded in 1930 and is headquartered in Dallas, Texas.

Applications

According to the product information, common application areas for the UC2842AN include:

  • SMPS (Switch-Mode Power Supplies)
  • DC-DC converters
  • Electronic ballasts
  • Battery chargers
  • Power supplies
  • LED drivers

It's a versatile pulse-width modulator that can be used in various power management and control circuits to regulate voltage and current output efficiently.

Equivalent

Equivalent products of UC2842AN include:

  • ALD9510
  • STP14HF20
  • MAX1474A
  • TL494
  • LX3411

These devices are DC-DC converters with similar features, such as pulse-width modulation, precision reference voltage, and over-current protection. They can be used in similar applications like SMPS, power supplies, battery chargers, and LED drivers. However, it's recommended to verify the specific requirements and compatibility of each device before switching.

Specifications

Category Integrated Circuits (ICs)Power Management (PMIC)DC DC Switching Controllers Output Type Transistor Driver
Function Step-Up, Step-Down, Step-Up/Step-Down Output Configuration Positive, Isolation Capable
Topology Boost, Buck, Flyback, Forward 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 -40°C ~ 85°C (TA) Mounting Type Through Hole
Base Product Number UC2842 Product Category Switching Controllers
Output Voltage 4.95 V to 5.05 V Output Current 1 A
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 85 C
Mounting Style Through Hole Operating Supply Voltage 30 V
Product Type Switching Controllers Factory Pack Quantity 1000
Subcategory PMIC - Power Management ICs Type Current Mode PWM Controllers
Unit Weight 0.032805 oz Package/Case PDIP-8

Service Policies and Others

After-Sales & Settlement Related

payment Payment

Payment Method +

hsbc
TT/Wire Transfer
paypal
Paypal
wu
Western Union
mg
Money Gram

For alternative payment channels, please reach out to us at:

[email protected]
shipping Shipping & Packing

Shipping Method +

fedex
Fedex
ups
UPS
dhl
DHL
tnt
TNT
Packing +

AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

Warranty Warranty

365-Day Product Quality Guarantee +

We promise to provide 365 days quality assurance service for all our products.
After Sales Service +

Returns and exchanges are supported, provided the items remain in their original condition.

Ratings and Reviews

More
C
C**b 11/15/2022

Thank you! Got it fast! Everything works! Everything is done neatly. Seller and product recommend to everyone!

18
A
A**e 06/21/2022

Arrived quickly everything is fine.

18
B
B**O 07/20/2021

Received. All as in the description!!!!

12
G
G**n 12/10/2020

The quality is average: the board is not ground on the ends, the paths are non-rigid, the green pads had to cut the surges-were not put on the board. It came quickly. In general-normal. That's so small. Buy, the seller is good!

11

Reviews

You need to log in to reply. Sign In | Sign Up

pay transport
colse