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UC2842N

In Stock: 4,555

1 amp current mode PWM controller with 30 volts

Manufacturers:
Texas Instruments, Inc
Mfr.Part#:
UC2842N
Datasheet:
UC2842N Datasheet (PDF)
Package/Case:
DIP8
Product Type:
Power Supply Controllers, Monitors
RoHS:
Lifecycle:
Active
EDA/CAD Models:
Request Free CAD Models for UC2842N

UC2842N Information

Description

The UC28N42N is a current-mode PWM controller from Texas Instruments, designed for switching applications such as switch-mode power supplies, DC-DC converters, battery chargers, LED lighting, motor control, telecommunications equipment, industrial automation, and aircraft power systems. This device features advanced BiCMOS technology, low start-up current, trimmed oscillator discharge currents, automatic feed-forward compensation, double pulse suppression, a totem pole output stage, an internally trimmed bandgap reference, and 500 mA sink/source drivers. The error amplifier provides stable operation and fault detection. The UC28N42N is available in a PDIP-8 package and operates from -40°C to 150°C. Its advanced features and high-performance capabilities make it suitable for a wide range of applications that require efficient power conversion, control, and monitoring.

Package

The package type of UC2842N is PDIP (P)-8.

Pinout

The UC2842N has an 8-pin PDIP package.

Here's a concise breakdown of its pins and functions:

Pin 1: VCC - Positive supply voltage
Pin 2: OUT - Output (switching node)
Pin 3: COMP - Error amplifier output
Pin 4: FB - Feedback input
Pin 5: RST - Reset input
Pin 6: DIS - Disable input
Pin 7: GND - Ground
Pin 8: SYNC - Synchronization input

The UC2842N is a current-mode PWM controller designed for switching power supplies, DC-DC converters, and other applications. It features advanced BiCMOS technology, low start-up current, and automatic feed-forward compensation, among others.

Manufacturer

The manufacturer of the UC2842N is Texas Instruments (TI). TI is a leading semiconductor company that designs, manufactures, and tests semiconductors and related technologies. The company was founded in 1930 and is headquartered in Dallas, Texas. TI is a global leader in the development and manufacturing of analog and embedded processing semiconductors, and its products are used in a wide range of applications, including industrial automation, automotive, medical devices, and more.

Applications

The UC28N42N is a current-mode PWM controller suitable for various applications, including:

Switch-mode power supplies
DC-DC converters
Battery chargers
LED lighting
Motor control
Telecommunications equipment
Industrial automation
Aircraft power systems

Equivalent

The equivalent products of UC2842N are:

STP14NF15
NCP1404
LM5117
UCC28051
TPS54201

These devices are current-mode PWM controllers with similar specifications and applications as the UC2842N.

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, Buck-Boost, Flyback, Forward	Number of Outputs	1
Output Phases	1	Voltage - Supply (Vcc/Vdd)	12V ~ 28V
Frequency - Switching	Up to 500kHz	Duty Cycle (Max)	97%
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 Current	1 A	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C	Mounting Style	Through Hole
Product	Voltage Controllers	Product Type	Switching Controllers
Factory Pack Quantity	50	Subcategory	PMIC - Power Management ICs
Type	Current Mode PWM Controllers	Unit Weight	0.032805 oz
Package/Case	DIP8

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Ratings and Reviews

L

L**e
09/28/2024

13

Excelente servicio y calidad
M

M**a
02/27/2024

4

I checked everything: quantity, color and glare. Everything is correct. Great seller. I will still order with him. I'm very happy. Thank you and best regards.
P

P**a
06/29/2021

3

Well operation. Highly recommended.
L

L**n
12/09/2020

17

Sent in an economic way, the product is quickly received (as estimated). Not yet tested.

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