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UCC3809DTR-2

Name: UCC3809DTR-2
Rating: 4.7 (12 reviews)

IC OFFLINE SWITCH MULT TOP 8SOIC

Производитель
Мфр. Часть #UCC3809DTR-2
Пакет
Лист данных UCC3809DTR-2 DataSheet
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Спецификации

Part Status	Active
Output Isolation	Isolated
Internal Switch(s)	No
Topology	Boost, Buck, Flyback, Forward
Voltage - Supply (Vcc/Vdd)	8V ~ 19V
Duty Cycle	70%
Frequency - Switching	1MHz
Control Features	Frequency Control, Soft Start
Operating Temperature	-55°C ~ 150°C (TJ)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Mounting Type	Surface Mount
Base Product Number	UCC3809
Voltage - Start Up	15 V

Обзор

Description

The UCC3809DTR-2 is a high-performance, low-power voltage mode PWM (Pulse Width Modulation) controller designed for DC-DC converter applications. It operates with a wide input voltage range and is typically used in applications such as power supplies for telecommunications, industrial equipment, and consumer electronics.
Key features include a built-in soft-start function to prevent inrush current, adjustable frequency operation, and a high-speed current sense comparator for precise control. The UCC3809DTR-2 also incorporates voltage feedback, allowing for tight regulation of the output voltage.
With built-in protection features like over-voltage protection (OVP) and under-voltage lockout (UVLO), the device enhances system reliability. Its compact package makes it suitable for space-constrained designs.
Overall, the UCC3809DTR-2 is an efficient solution for designers looking for a robust controller to manage power conversion effectively in various applications.

Features

The UCC3809DTR-2 is a high-performance voltage mode PWM (Pulse Width Modulation) controller designed for DC-DC converter applications. Key features include:
1. Wide Input Voltage Range: Operates typically from 10V to 40V.
2. High Efficiency: Supports high-efficiency power conversion with minimal losses.
3. Voltage Mode Control: Provides stable operation and ease of design with voltage feedback.
4. Soft Start: Integrated soft-start function to reduce inrush current during startup.
5. Current Limit: Features cycle-by-cycle current limiting for improved reliability and protection.
6. Deadtime Control: Optimizes switching losses and improves efficiency.
7. Frequency Synchronization: Can synchronize with external clock signals for reduced noise.
8. Integrated Drivers: Includes high-side and low-side gate drivers for driving external MOSFETs.
The UCC3809DTR-2 is ideal for applications such as power supplies, battery chargers, and other power management systems, ensuring robust performance in various conditions.

Package

The UCC3809DTR-2 is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package).

Pinout

The UCC3809DTR-2 is a voltage mode PWM (Pulse Width Modulation) controller with a total of 16 pins. Its primary functions include controlling power converters by regulating output voltage and providing features such as soft-start, frequency modulation, and overcurrent protection.
Key pin functionalities include:
- VCC (Pin 1): Supply voltage input (10-30V).
- GND (Pin 2): Ground reference.
- RAMP (Pin 3): Ramp signal input for PWM modulation.
- COMP (Pin 4): Compensation network connection for stability.
- CS (Pin 5): Current sense input for overcurrent protection.
- SW (Pin 6): Switch pin for driving the power stage.
- TLIM (Pin 7): Temperature limit input.
- RT (Pin 8): Timing resistor for frequency setting.
- PWM (Pins 9-16): Output pins for driving external components.
This controller is typically used in power supply applications for efficient energy conversion.

Manufacturer

The UCC3809DTR-2 is manufactured by Texas Instruments (TI), a global semiconductor company. TI is known for designing and manufacturing a wide range of analog and embedded processing chips. Founded in 1930, the company operates in various sectors, including automotive, industrial, consumer electronics, and communications. Texas Instruments is recognized for its innovations in power management, signal processing, and microcontrollers, making it a key player in the electronics industry. The UCC3809DTR-2 specifically is a voltage mode PWM (pulse-width modulation) controller used in power supply applications.

Application

The UCC3809DTR-2 is a high-performance, fixed-frequency PWM controller primarily used in power supply applications, including DC-DC converters, switch-mode power supplies (SMPS), and battery chargers. Its features support applications requiring efficient energy conversion, such as telecommunications, industrial power systems, and consumer electronics. The device provides regulation, voltage feedback, and protection functions, making it suitable for various load conditions and improving overall power efficiency.

Equivalent

The UCC3809DTR-2 is a PWM controller used in power management applications. Equivalent products include the LM3478, TL5001, and UC3842. These alternatives may vary in pin configuration and specific features, so refer to the datasheets to ensure compatibility for your application.

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