E-UC2843BD1

$0.36

Description：IC REG CTRLR BOOST/FLYBACK 8SOIC
Series：-
Mfr：STMicroelectronics
Package：Tube

SKU:ad41b4c0d3c2 Category: DC DC Switching Controllers Brand: STMicroelectronics

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Product introduction

E-UC2843BD1 is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists STMicroelectronics. Its product description is IC REG CTRLR BOOST/FLYBACK 8SOIC. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for E-UC2843BD1

Description：IC REG CTRLR BOOST/FLYBACK 8SOIC
Series：-
Mfr：STMicroelectronics
Package：Tube
Output Type：Transistor Driver
Function：Step-Up/Step-Down
Output Configuration：Positive, Isolation Capable
Topology：Boost, Flyback
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：7.6V ~ 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：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOIC
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for E-UC2843BD1

E-UC2843BD1

DC DC Switching Controllers Overview

The UC2843BD1 is a high-performance current mode PWM controller manufactured by STMicroelectronics. It supports Boost, Flyback, and Forward topologies with a single output. The device operates at a switching frequency of up to 500 kHz and delivers an output current of 1 A. It functions within a supply voltage range of 7.6 V to 30 V and provides a regulated output voltage between 4.95 V and 5.05 V. The component is housed in an 8-SOIC package for surface mount installation and operates across a temperature range of -40°C to +150°C.

DC DC Switching Controllers Feature Summary

Implements current mode pulse width modulation control for efficient power conversion
Supports multiple converter topologies including boost, flyback, and forward configurations
Features integrated oscillator with external timing resistor capability for frequency setting

DC DC Switching Controllers Applications

Offline and DC-to-DC fixed frequency converters
Forward converters
Flyback converters
Boost converters

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'BD1' against the official STMicroelectronics datasheet to confirm package type and temperature grade. Ensure compatibility with the required SOIC-8 footprint and check RoHS compliance status via the manufacturer's documentation before procurement.

DC DC Switching Controllers Selection Notes

Select this component for designs requiring a single-output current mode controller with a maximum switching frequency of 500 kHz. It is suitable for applications needing operation up to 30 V supply voltage and wide industrial temperature ranges. Confirm that the 1 A output drive capability meets the gate drive requirements of the target power switch.

DC DC Switching Controllers Part Context

This part belongs to the UC2843B series of current mode PWM controllers from STMicroelectronics. It is designed as a replacement or alternative for legacy UC2843 devices, offering enhanced performance for offline and DC-to-DC power supply applications. The series is widely used in general-purpose power management systems.