UCC28220DR

Abbildungen dienen nur als Referenz

UCC28220DR

+Stückliste

IC REG CTRLR MULT TOP 16SOIC

  • HerstellerTexas Instruments

  • Herstellerteil #UCC28220DR

  • Paket SOIC-16

  • Auf Lager2358

365 Tage Qualitätsgarantie

7*24 Stunden-Servicegarantie

90-Tage Kundendienstgarantie

Originalproduktgarantie

Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputType Transistor Driver
Function Step-Up/Step-Down
OutputConfiguration Positive
Topology Flyback, Forward Converter
NumberofOutputs 2
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 8.4V ~ 14.5V
Frequency-Switching 200kHz ~ 2MHz
DutyCycle(Max) 75%
SynchronousRectifier No
ClockSync No
ControlFeatures Ramp, Soft Start
OperatingTemperature -40°C ~ 105°C (TA)
MountingType Surface Mount
Package/Case 16-SOIC (0.154, 3.90mm Width)

Übersicht

Description

The UCC28220DR is a high-performance dual synchronous PWM controller from Texas Instruments, designed for DC-DC power supply applications. It supports a wide input voltage range and is commonly used in power conversion systems requiring high efficiency and precise control. The device features a peak current mode control, allowing for excellent transient response and simplified loop compensation. It also includes programmable dead-time control and adaptive gate drive circuitry, enhancing efficiency and reducing switching losses.
Key features of the UCC28220DR include soft-start control, under-voltage lockout protection, and adjustable switching frequency, which can be synchronized to an external clock. The controller operates with a maximum frequency of 1 MHz, providing flexibility for various applications, such as industrial, telecom, and server power supplies.
Its small package size and advanced features make the UCC28220DR an excellent choice for compact and high-density power supply designs. The device is widely used in applications requiring robust power management solutions with optimized performance and reliability.

Equivalent

The UCC28220DR is a dual interleaved PWM controller from Texas Instruments. Equivalent products may include:
1. LM5032 from Texas Instruments – Dual Interleaved PWM Controller.
2. LTC3722 from Analog Devices – Dual Interleaved Current Mode Controller.
3. NCP1271 from ON Semiconductor – PWM Controller.
4. ISL6752 from Renesas Electronics – Dual PWM Controller.
When considering alternatives, check compatibility with your specific application requirements such as voltage, current ratings, and package type.

Features

The UCC28220DR is a dual interleaved pulse-width modulation (PWM) controller designed for DC-DC power conversion applications. Key features include:
1. Interleaved PWM Control: Supports interleaved operation to reduce input and output ripple currents, improving overall efficiency.

2. Voltage Mode Control: Utilizes voltage mode control for accurate output voltage regulation.
3. Synchronization: Allows for synchronization with an external clock, enhancing flexibility in system designs.
4. Programmable Dead-Time Control: Offers adjustable dead-time to optimize efficiency and minimize switching losses.
5. Soft-Start Capability: Includes a programmable soft-start feature to limit inrush current during startup.
6. High-Frequency Operation: Capable of switching frequencies up to 1 MHz, supporting compact power supply designs.
7. Overcurrent Protection: Provides cycle-by-cycle current limiting to protect against overcurrent conditions.
8. Fault Protection: Includes features like undervoltage lockout (UVLO) and thermal shutdown for enhanced reliability.
9. Compact Package: Available in a small SOIC-16 package for space-constrained applications.
These features make the UCC28220DR suitable for various high-performance power supply designs requiring precise control and efficiency.

Pinout

The UCC28220DR is a dual interleaved PWM controller from Texas Instruments designed primarily for DC-DC converter applications. It is housed in an SOIC-14 package, which means it has 14 pins. Here’s a brief overview of the pin functions:
1. VREF: Reference voltage output.
2. CS1 and CS2: Current sense inputs for each PWM channel.
3. RT: Timing resistor pin used to set the oscillator frequency.
4. CT: Timing capacitor pin to set oscillator frequency.
5. COMP: Compensation network connection for control loop stability.
6. FB: Feedback input for voltage regulation.
7. OUT1 and OUT2: PWM output pins for driving external MOSFETs.
8. SYNC: Synchronization input/output for multiple controller synchronization.
9. GND: Ground connection.
10. VDD: Supply voltage input.
11. ILIM: Current limit set point input.
12. SS: Soft start control input.
This pin arrangement allows the UCC28220DR to effectively manage dual interleaved power conversion while maintaining precise control over output regulation and efficiency.

Manufacturer

The UCC28220DR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. TI is one of the top semiconductor companies worldwide and is well-known for its analog chips and embedded processors, which are used in a wide range of electronic devices across numerous industries. The company emphasizes innovation in the electronics field and has a significant influence on various markets, including automotive, industrial, personal electronics, and communications equipment. Texas Instruments is headquartered in Dallas, Texas, and it operates manufacturing, design, and sales facilities around the world.

Application

The UCC28220DR is a dual interleaved PWM controller designed for high-performance power supply applications. Key application areas include:
1. DC/DC Converters: Used in telecommunications and server power supplies to improve efficiency and power density.
2. Distributed Power Systems: Facilitates the design of efficient power modules with reduced output ripple.
3. Point-of-Load (POL) Modules: Supports high-frequency, low-output voltage power supplies for processors and memory.
4. Industrial Power Supplies: Suitable for high-power industrial applications requiring precise control and reliability.
5. LED Drivers: Utilized in high-power LED driver systems for efficient power conversion.
Its features, such as programmable switching frequency and voltage-mode control, make it versatile for these applications.

Package

The UCC28220DR is a dual interleaved PWM controller from Texas Instruments, and it comes in a SOIC (Small Outline Integrated Circuit) package type. Specifically, it uses the 16-pin SOIC package, denoted by the "DR" suffix in the part number.

Produkte, die mit UCC28220DR zusammenhängen