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UCC2946D

Integrated Circuit

Quantity Unit Price(USD) Ext. Price
1 $3.589 $3.59
10 $3.513 $35.13
30 $3.462 $103.86
100 $3.413 $341.30

Inventory:9,903

*The price is for reference only.
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Overview of UCC2946D

The UCC2946D is a voltage mode pulse width modulation controller with an integrated 5V regulator and dual output drive stages, optimized for high-speed and low-voltage operations. It provides excellent performance for various power supply applications.

Pinout

The UCC2946D pinout refers to the configuration and function of each pin in its 8-SOIC (0.154", 3.90mm Width) package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the UCC2946D has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.

Features

  • Precision Power Conversion: The UCC2946D offers precision, high frequency operation, and a wide input voltage range, making it suitable for various power supply applications.
  • Cycle-by-Cycle Current Limiting: This feature provides thermal shutdown protection, ensuring the device operates within safe temperature limits.
  • Thermal Shutdown Protection: The UCC2946D features thermal shutdown protection to prevent damage from overheating.
  • Dual Output Drive Stages: The integrated dual output drive stages enable efficient power conversion and precise control over the output voltage.
  • 5V Regulator: The built-in 5V regulator provides a stable reference voltage for the device's internal circuits.

Applications

  • Versatile Electronic Device: The UCC2946D is suitable for various electronic devices that require precision power conversion, such as battery chargers and DC-DC converters.
  • Efficient Battery Charger: This device can be used in battery charging applications where high efficiency and precision are required.
  • Compact DC-DC Converter: The UCC2946D is ideal for compact DC-DC converter designs that require low voltage and high frequency operation.

Advantages and Disadvantages

Advantages

  • Precision Power Conversion: The UCC2946D offers precision power conversion, ensuring accurate output voltages and efficient energy management.
  • High Efficiency Design: This device features a high efficiency design, minimizing heat generation and reducing the risk of overheating.
  • Compact Design: The UCC2946D's compact design makes it suitable for space-constrained applications.
  • Wide Operating Range: The device operates over a wide input voltage range, making it suitable for various power supply applications.

Disadvantages

  • Sensitive to Overvoltage: The UCC2946D is sensitive to overvoltage conditions and may be damaged if the input voltage exceeds its maximum rating.
  • Requires Proper Cooling: This device generates heat during operation and requires proper cooling to prevent overheating and damage.

Equivalents

For similar functionalities, consider these alternatives to the UCC2946D:

  • LTC3781: The LTC3781 is a high-performance DC-DC converter that offers precision power conversion and thermal shutdown protection.
  • MAX1755: The MAX1755 is a compact DC-DC converter that features high efficiency, low noise, and thermal shutdown protection.
  • APW7158: The APW7158 is a high-performance DC-DC converter that offers precision power conversion, thermal shutdown protection, and a wide operating range.

Frequently Asked Questions

Q: What is the maximum input voltage for the UCC2946D?
A: The maximum input voltage for the UCC2946D is 15V.

Q: How does the UCC2946D handle overvoltage conditions?
A: The UCC2946D features thermal shutdown protection to prevent damage from overheating in case of an overvoltage condition.

Q: What is the recommended operating temperature range for the UCC2946D?
A: The recommended operating temperature range for the UCC2946D is -40°C to 125°C.

Q: Can the UCC2946D be used in battery charging applications?
A: Yes, the UCC2946D can be used in battery charging applications where high efficiency and precision are required.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of supplies monitored 1 Threshold voltage 1 (typ) (V) 1.235
Features Overvoltage monitor only, Reset time delay, Timeout watchdog, Watchdog timer Reset threshold accuracy (%) 2
Iq (typ) (mA) 0.012 Output driver type/reset output Active-low, Push-Pull
Supply voltage (min) (V) 2.1 Supply voltage (max) (V) 5.5
Rating Catalog Watchdog timer WDI (s) Programmable
Operating temperature range (°C) -40 to 85

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