Texas Instruments
UC3843D8TR  
Power Supply Controllers, Monitors

Texas Instruments
UC3843D8TR
760-UC3843D8TR
Ersa
Texas Instruments-UC3843D8TR-datasheets-11400536.pdf
IC REG CTRLR MULT TOPOLOGY 8SOIC
In Stock : 4113

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UC3843D8TR Description

UC3843D8TR Description

The UC3843D8TR is a high-performance, fixed frequency, current mode PWM controller designed for use in a wide range of power supply applications. Manufactured by Texas Instruments, this device is part of the UCx84x series and is specifically designed for multi-topology power supply control. With a supply voltage range of 12V to 28V and a supply current of 11 mA, the UC3843D8TR offers reliable performance in demanding applications.

UC3843D8TR Features

  • Operating Temperature Range: The UC3843D8TR can operate in a wide temperature range of 0°C to 70°C, making it suitable for various environments.
  • Mounting Type: The device is designed for surface mount applications, which allows for compact and efficient PCB layouts.
  • ECCN and REACH Status: The UC3843D8TR is classified as EAR99 and REACH Unaffected, ensuring compliance with international trade and environmental regulations.
  • RoHS Compliance: The device is compliant with RoHS3 standards, making it suitable for use in environmentally conscious applications.
  • Supply Voltage Range: The UC3843D8TR can handle supply voltages from 12V to 28V, providing flexibility in power supply design.
  • Moisture Sensitivity Level (MSL): With an MSL of 1, the UC3843D8TR can be stored and handled without special precautions against moisture.

UC3843D8TR Applications

The UC3843D8TR is ideal for a variety of power supply applications, including:

  • Switching Power Supplies (SPS): Due to its high performance and flexibility, the UC3843D8TR is well-suited for use in switching power supplies.
  • Battery Chargers: The device's PWM control capabilities make it an excellent choice for battery charging applications.
  • DC-DC Converters: The UC3843D8TR can be used in DC-DC converters to provide efficient power conversion.

Conclusion of UC3843D8TR

The UC3843D8TR from Texas Instruments stands out for its versatility, reliability, and compliance with environmental and trade regulations. Its wide operating temperature range, surface mount design, and compliance with RoHS3 make it a preferred choice for power supply controllers in various electronic devices. With its robust performance and unique features, the UC3843D8TR offers a competitive edge over similar models, making it an ideal solution for demanding power supply applications.

Tech Specifications

Unit Weight
Fall Time (ns)
PPAP
Product Status
Fall Time
Automotive
RoHS
Supplier Package
Package / Case
Switching Frequency (kHz)
Voltage - Supply
REACH Status
Maximum Operating Supply Voltage (V)
EU RoHS
Carrier
Vin (max) (V)
Synchronous Pin
Moisture Sensitivity Level (MSL)
Operating Temperature
Duty cycle (max) (%)
On/Off Pin
Operating temperature range (°C)
Number of PWM Outputs
Output Current
ECCN
Topology
MSL rating / Peak reflow
Mounting Type
Current - Supply
Standard Package Name
UVLO Turn-On Threshold (V)
Pin Count
Mounting
Rise Time
Control mode
Lead Shape
SVHC
HTSUS
Package
Pins
Rise Time (ns)
USHTS
Output Voltage
PCB changed
HTS
Rating
ECCN (US)
Oscillator Accuracy (kHz)
Supplier Device Package
Operating Supply Voltage (V)
Minimum Operating Temperature (°C)
Maximum Operating Temperature (°C)
Operating Supply Current
Package Height
Mfr
UVLO Turn-Off Threshold (V)
Maximum Operating Temperature
Features
RoHS Status
Voltage - Input
Mounting Style
Output Current (mA)
Applications
Control Method
Duty Cycle - Max
Package Length
Maximum Supply Current (mA)
Minimum Operating Temperature
Number of Outputs
REACH
Series
Type
Operating Supply Voltage
Part Status
Maximum Duty Cycle (%)
Switching Frequency
Lead finish / Ball material
Package Width
Adjustable Output
Base Product Number
Minimum Operating Supply Voltage (V)

UC3843D8TR Documents

Download datasheets and manufacturer documentation for UC3843D8TR

Ersa UC1842-45, UC2842-45, UC3842-45      
Ersa UC1842-45, UC2842-45, UC3842-45      
Ersa Mult Devices Font 21/Apr/2018       US18/28/38 DataSheet Update 4/Jan/2017      

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