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UCC2801

Part No UCC2801
Manufacturer Texas Instruments
Catalog Electronic Wholesale
Description Low-Power BiCMOS Current-Mode PWM
Sample
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Manufacturer Texas Instruments
Win Source Part Number 1276174-UCC2801
Manufacturer Homepage www.ti.com
Popularity Medium
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian UCC2801 CAD Model

Description

The UCC2801 from Texas Instruments is a versatile and efficient PWM (Pulse Width Modulation) controller integrated circuit designed for a wide range of power supply applications. It incorporates advanced BICMOS technology to deliver low-power operation and precise current-mode control, making it an ideal choice for applications such as DC-DC converters, battery chargers, and power management systems.

This controller operates at a fixed frequency that can be programmed by the user with a single external resistor. Its operation is characterized by excellent line and load regulation, which is achieved through its current-mode control scheme. This scheme provides inherent protection against short circuits, making the UCC2801 a reliable choice for critical applications.

The UCC2801 features a wide input voltage range, accommodating various power sources, and supports an operating frequency range up to 1MHz. This high-frequency capability allows for the use of smaller external components, resulting in compact and cost-effective power supply designs. Additionally, the device includes an error amplifier, a precision reference voltage, an oscillator, a PWM comparator, a totem-pole output stage, and under-voltage lockout protection.

The under-voltage lockout (UVLO) ensures that the controller remains off until the supply voltage reaches an acceptable level, thus protecting the circuitry from low-voltage conditions. The totem-pole output stage is designed to directly drive the gate of a power MOSFET, simplifying the design and reducing component count.

For enhanced performance, the UCC2801 also incorporates soft-start functionality to limit inrush current during startup, and leading-edge blanking to reduce noise sensitivity of the current-sense input. These features contribute to a stable and robust power supply design.

Overall, the Texas Instruments UCC2801 PWM controller is a powerful solution for designers seeking a low-power, high-performance controller with advanced features for efficient power management in a variety of applications.

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Pricing & Ordering

Quantity Unit Price Ext. Price
7+ $7.3459 $51.4213
17+ $6.0275 $102.4675
26+ $5.8391 $151.8166
36+ $5.6507 $203.4252
46+ $5.4624 $251.2704
62+ $4.8973 $303.6326
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
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Availability: 1,240 pieces
MOQ: 7 pcs
Order Increment : 1 pcs
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