UC2844AQD8R

Texas Instruments UC2844AQD8R

Part Number:
UC2844AQD8R
Manufacturer:
Texas Instruments
Ventron No:
3248556-UC2844AQD8R
Description:
30-V, 1A, 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 40°C to 85°C
ECAD Model:
Datasheet:
uc2844a

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Specifications
Texas Instruments UC2844AQD8R technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments UC2844AQD8R.
  • Factory Lead Time
    6 Weeks
  • Lifecycle Status
    ACTIVE (Last Updated: 1 week ago)
  • Mounting Type
    Surface Mount
  • Package / Case
    8-SOIC (0.154, 3.90mm Width)
  • Surface Mount
    YES
  • Number of Pins
    8
  • Weight
    75.608178mg
  • Operating Temperature
    -40°C~125°C TA
  • Packaging
    Cut Tape (CT)
  • JESD-609 Code
    e4
  • Pbfree Code
    yes
  • Part Status
    Active
  • Moisture Sensitivity Level (MSL)
    1 (Unlimited)
  • Number of Terminations
    8
  • ECCN Code
    EAR99
  • Terminal Finish
    Nickel/Palladium/Gold (Ni/Pd/Au)
  • Subcategory
    Switching Regulator or Controllers
  • Technology
    BIPOLAR
  • Terminal Position
    DUAL
  • Terminal Form
    GULL WING
  • Peak Reflow Temperature (Cel)
    260
  • Supply Voltage
    11V
  • Frequency
    450kHz
  • Base Part Number
    UC2844
  • Function
    Step-Up, Step-Down, Step-Up/Step-Down
  • Number of Outputs
    1
  • Output Voltage
    15V
  • Output Type
    Transistor Driver
  • Input Voltage-Nom
    15V
  • Analog IC - Other Type
    SWITCHING CONTROLLER
  • Output Configuration
    Positive
  • Output Current
    200mA
  • Voltage - Supply (Vcc/Vdd)
    10V~30V
  • Quiescent Current
    11mA
  • Control Features
    Frequency Control
  • Topology
    Boost, Buck, Buck-Boost, Flyback, Forward
  • Control Mode
    CURRENT-MODE
  • Frequency - Switching
    Up to 500kHz
  • Input Voltage (Max)
    25V
  • Control Technique
    PULSE WIDTH MODULATION
  • Rise Time
    50ns
  • Supply Current-Max (Isup)
    25mA
  • Synchronous Rectifier
    No
  • Fall Time (Typ)
    50 ns
  • Max Duty Cycle
    50 %
  • Duty Cycle (Max)
    48%
  • Height
    1.75mm
  • Length
    4.9mm
  • Width
    3.91mm
  • Thickness
    1.58mm
  • RoHS Status
    ROHS3 Compliant
  • Lead Free
    Lead Free
Description
UC2844AQD8R Overview
The Texas Instruments brand offers a wide range of electronic components, including the PMIC - AC DC Converters, Offline Switchers chip. This chip, with the base part number UC2844, falls under the PMIC - AC DC Converters, Offline Switchers category. It is packaged in Cut Tape (CT) format, making it convenient for handling and storage. The part is currently active and readily available in the market. In terms of its specifications, the terminal position of this chip is DUAL, allowing for easy connectivity. The UC2844 chip is designed to function as a Step-Up, Step-Down, or Step-Up/Step-Down converter, providing versatility in various applications. It operates at a nominal input voltage of 15V, making it suitable for a wide range of power supply requirements. The control features of this Texas Instruments chip include Frequency Control, enabling precise regulation of the output voltage. It operates in CURRENT-MODE control mode, which ensures stable and efficient power conversion. The control technique employed by this chip is Pulse Width Modulation (PWM), which allows for accurate control of the output voltage and current. In terms of physical dimensions, the UC2844 chip has a width of 3.91mm, making it compact and space-efficient. This compact size makes it suitable for applications where space is limited, such as in portable electronic devices or small form factor systems. Overall, the Texas Instruments PMIC - AC DC Converters, Offline Switchers chip, with its active status, versatile functionality, and compact design, provides an excellent solution for power conversion needs. Its precise control features and efficient control technique ensure reliable and optimized performance in various electronic applications.

UC2844AQD8R Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz

UC2844AQD8R Applications
There are a lot of Texas Instruments UC2844AQD8R DC to DC converter applications.

Emergency lighting monitoring equipment
Geothermal power
Series voltage regulation circuits
Automation technology
USB circuits
Adjustable voltage or current linear circuits
Thermal power
Post equipment
Computed tomography (CT)
Servo drive system
UC2844AQD8R More Descriptions
Current Mode PWM Controller -0.1V to 11V 1A 500kHz 8-Pin SOIC T/R
30-V, 1A, 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 40°C to 85°C 8-SOIC -40 to 125
PWM Power Supply Controllers Current-Mode PWM Controller
Current Mode Pwm Controller, 25V, 8-Soic Full Reel
UCx84xA Current-Mode PWM Controller
UC2844A CURRENT MODE PWM CONTROL
Certification
  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS

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