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See Technical Specifications

UC3844AD8 +BOM

This device is suitable for power supply designs where efficiency and flexibility are key priorities

Manufacturer:

Texas Instruments
Mfr.Part #:

UC3844AD8
Datasheet:

UC3844AD8 Datasheet (PDF)
Topology:

Boost, Buck, Buck boost, Flyback, Forward
Control Mode:

Peak current mode
Duty Cycle (max) (%):

50
Switching Frequency (max) (kHz):

500
EDA/CAD Models:

Request Free CAD Models for UC3844AD8

UC3844AD8 Information

Description

The UC3844AD8 is a current mode PWM controller from Texas Instruments, designed for efficient and reliable voltage regulation in various applications. This low-cost controller features an operating voltage range of 0.1V to 11V, with a maximum output current capability of 500mA at a frequency of up to 500kHz. The UC3844AD8 offers several key benefits, including internal soft-start functionality, integrated error amplification, and protection against overload and short circuit conditions. Its compact SOIC-8 package makes it suitable for use in a wide range of applications, from industrial and automotive devices to consumer electronics and power supplies. Common uses for the UC3844AD8 include switch-mode power supplies, battery chargers, LED drivers, and other power management functions that require efficient voltage regulation. With its flexible operating frequency range and robust protection features, this controller is an excellent choice for designers seeking a reliable and cost-effective solution for their power management needs.

Features

The features of the UC3844AD8 are:

Low-cost current mode controller
Operating voltage range of 0.1V to 11V
500mA output current capability
Oscillator frequency range of 50kHz to 1MHz
Internal soft-start function
Integrated error amplifier
Protection against overload and short circuit conditions

It is also available in an 8-pin SOIC package, making it suitable for a wide range of applications.

Package

The package type of UC3844AD8 is SOIC-8 (Small Outline Integrated Circuit - 8-pin).

Manufacturer

The manufacturer of the UC3844AD8 is Texas Instruments.

Applications

According to the product information, the application areas of UC3844AD8 include:

Switch-mode power supplies
Battery chargers
LED drivers
Other power management functions
Industrial devices
Automotive devices
Consumer electronic devices that require efficient and reliable voltage regulation

Equivalent

The equivalent products of UC3844AD8 are:

STP16CH60
NCP3801G
LM5103
TPS61165

These ICs offer similar current-mode PWM controller functionality, operating voltage range, and output current capabilities as the UC3844AD8.

Specifications

Topology	Boost, Buck, Buck boost, Flyback, Forward	Control mode	Peak current mode
Duty cycle (max) (%)	50	Switching frequency (max) (kHz)	500
Features	Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Multi-topology	UVLO thresholds on/off (V)	16/10
Operating temperature range (°C)	0 to 70	Rating	Catalog
Gate drive (typ) (A)	1	Vin (max) (V)	28
Package/Case	SOIC (D)-8