UC2843AD

$1.02

Description：IC REG CTRLR MULT TOP 14SOIC
Series：-
Mfr：Texas Instruments
Package：Tube

SKU:b10bbec76141 Category: DC DC Switching Controllers Brand: Texas Instruments

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Product introduction

UC2843AD is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG CTRLR MULT TOP 14SOIC. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for UC2843AD

Description：IC REG CTRLR MULT TOP 14SOIC
Series：-
Mfr：Texas Instruments
Package：Tube
Output Type：-
Function：-
Output Configuration：-
Topology：-
Number of Outputs：-
Output Phases：-
Voltage - Supply (Vcc/Vdd)：-
Frequency - Switching：-
Duty Cycle (Max)：-
Synchronous Rectifier：-
Clock Sync：-
Serial Interfaces：-
Control Features：-
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：14-SOIC (0.154", 3.90mm Width)
Supplier Device Package：14-SOIC
Grade：Automotive
Qualification：AEC-Q100

DC DC Switching Controllers datasheet and documents for UC2843AD

UC2843AD

DC DC Switching Controllers Overview

The UC2843AD is a current-mode PWM controller manufactured by Texas Instruments, designed for isolated flyback power supplies. It operates within a supply voltage range of 12 V to 28 V and supports switching frequencies up to 500 kHz. The device features undervoltage lockout thresholds at 8.4 V and 7.6 V, enabling stable startup and shutdown behavior. It provides a maximum duty cycle of 100% and delivers an output current capability of 200 mA. The component functions in temperatures ranging from -40°C to +85°C and utilizes a 14-pin SOIC package.

DC DC Switching Controllers Feature Summary

Implements current-mode pulse width modulation control architecture
Supports boost, flyback, and forward converter topologies
Integrates undervoltage lockout with defined hysteresis thresholds

DC DC Switching Controllers Applications

Isolated flyback power supply designs
Constant-voltage and constant-current regulation systems
General-purpose DC-DC switching controller circuits

DC DC Switching Controllers Procurement Notes

Verify the specific suffix and package configuration against official Texas Instruments documentation, as the UC2843AD designation may correspond to legacy or discontinued variants. Confirm availability status through authorized distributors, as stock levels fluctuate. Ensure that any substitute components meet the required electrical specifications and thermal ratings for the intended application environment.

DC DC Switching Controllers Selection Notes

Select this component for applications requiring robust current-mode control in isolated power architectures. Consider the 14-pin SOIC footprint for board layout constraints. Evaluate the operating temperature range and input voltage limits to ensure compatibility with the system's power delivery requirements and environmental conditions.

DC DC Switching Controllers Part Context

The UC2843AD belongs to the UC2843 series of switching controllers, which are widely utilized in power management integrated circuits. This series is characterized by its ability to drive high-side switches in various converter topologies. The device serves as a fundamental building block for efficient energy conversion systems in industrial and consumer electronics.