Texas Instruments UC2846DW, PWM Current Mode Controller, Dual 500 mA, 500 kHz SOIC 16-Pin

UC2846DW Texas Instruments , PWM Current Mode Controller, Dual 500 mA, 500 kHz SOIC 16-Pin
UC2846DW
Texas Instruments

Product Information

The UC2846DW is a high-performance current mode PWM controller designed by Texas Instruments to provide precision control for power management systems with excellent efficiency. Leveraging superior technology, this module offers robust performance and flexibility for switching power supply designs, proving beneficial for both industrial and commercial applications.

Number of Outputs:
2
Rise Time:
50ns
Output Current:
500 mA
Dimensions:
10.28 x 7.52 x 2.35mm
Mounting Type:
Surface Mount
Minimum Operating Temperature:
-40 °C
Control Method:
Current
Maximum Switching Frequency:
500 kHz
Height:
2.35mm
Width:
7.52mm
Length:
10.28mm
Package Type:
SOIC
Maximum Duty Cycle:
50%
PWM Controller Type:
Current Mode
Fall Time:
50ns
Maximum Operating Temperature:
+85 °C
Pin Count:
16
Topology:
Boost, Flyback, Forward, Full Bridge, Half Bridge, Push-Pull
Synchronous Rectifier:
Yes
HTSUS:
8542.39.0001
RoHS Status:
ROHS3 Compliant
Supplier Device Package:
16-SOIC
Operating Temperature:
-40°C ~ 85°C (TA)
Voltage - Supply (Vcc/Vdd):
6.95V ~ 40V
Package / Case:
16-SOIC (0.295", 7.50mm Width)
Function:
Step-Up, Step-Up/Step-Down
Frequency - Switching:
500kHz
REACH Status:
REACH Unaffected
Output Type:
Transistor Driver
edacadModel:
UC2846DW Models
edacadModelUrl:
/en/models/381685
Output Phases:
1
Topology:
Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull
Control Features:
Current Limit, Enable, Frequency Control, Soft Start
Package:
Tube
Clock Sync:
Yes
Duty Cycle (Max):
50%
Moisture Sensitivity Level (MSL):
2 (1 Year)
standardLeadTime:
12 Weeks
Mounting Type:
Surface Mount
Series:
-
Serial Interfaces:
-
Base Product Number:
UC2846
Output Configuration:
Positive
Number of Outputs:
2
ECCN:
EAR99
RoHs Compliant
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The Texas Instruments UC2846DW is a universal PWM (Pulse Width Modulation) current mode controller for various power supply applications. Its compact SOIC 16-pin package, dual 500 mA capability, and 500 kHz working frequency deliver a dependable and efficient solution for power control needs. Its current mode control, adaptive PWM, and built-in security features make it excellent for power supply configurations demanding precise current regulation and control.

Typical Uses of Texas Instruments UC2846DW, PWM Current Mode Controller, Dual 500 mA, 500 kHz SOIC 16-Pin

The UC2846DW is commonly used in power supply designs requiring precise current regulation and control. It is frequently employed in switch-mode power supplies (SMPS), DC-DC converters, and other applications that demand stable and efficient power delivery. Its ability to handle dual 500 mA currents and compact form factor make it suitable for both low-power and high-power applications.

Key Attributes of Texas Instruments UC2846DW, PWM Current Mode Controller, Dual 500 mA, 500 kHz SOIC 16-Pin

  • Current Mode Control: The UC2846DW employs a current mode control scheme, which provides excellent line and load regulation and inherent protection against overcurrent and short circuit conditions.
  • Wide Operating Frequency: With a 500 kHz operating frequency, the controller enables fast and efficient power switching, allowing for compact and lightweight power supply designs.
  • Dual 500 mA Capability: The UC2846DW can handle dual 500 mA outputs, providing flexibility in designing power supplies for multiple voltage rails or multi-channel applications.
  • Precision Voltage Reference: It features a precise voltage reference, ensuring accurate voltage regulation and stability.
  • Adaptive PWM: The controller incorporates adaptive PWM techniques to optimise efficiency and minimise power losses.

What Benefits Does It Offer?

  • Efficient Power Conversion: The UC2846DW's current mode control and adaptive PWM techniques enhance power conversion efficiency, lessening wasted energy and improving overall system performance.
  • Compact and Versatile: The controller's small SOIC 16-pin package offers space-saving benefits while supporting dual 500 mA currents, making it suitable for a wide range of power supply applications.
  • Robust Protection: The UC2846DW includes built-in features such as overcurrent and short circuit protection, safeguarding the power supply and connected components.
  • Reliable Performance: Texas Instruments is a trusted semiconductor manufacturer, ensuring the UC2846DW's high-quality and reliable performance.
  • Design Flexibility: The controller's dual 500 mA capacity and accurate voltage reference allow for flexible design options, housing various power supply requirements.

pdf icon
ESD Control Selection Guide V1(Technical Reference)
pdf icon
UC1846/7, UC2846/7, UC3846/7(Datasheets)

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