TPS54386PWPR

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TPS54386PWPR

IC REG BUCK ADJ 3A DL 14HTSSOP

  • 제조업체
  • Mfr.부분 #TPS54386PWPR
  • 패키지 HTSSOP (PWP)-14
  • 데이터시트
  • 재고 있음2142

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사양

Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 2
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 28V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 25.2V
Current-Output 3A
Frequency-Switching 630kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 14-TSSOP (0.173, 4.40mm Width) Exposed Pad

개요

Description

The TPS54386PWPR is a dual-output, step-down (buck) DC-DC converter from Texas Instruments. It is designed to provide two independent, adjustable output voltages from a single input voltage source. The device supports input voltages ranging from 4.5V to 28V and can deliver up to 3A of continuous output current per channel, making it suitable for a wide range of applications including telecommunications, automotive, and industrial systems.
Key features of the TPS54386PWPR include high efficiency, typically over 90%, due to its low-resistance MOSFETs and advanced control topology. It operates at a fixed frequency of 600 kHz, providing a good balance between efficiency and size of external components. The device also includes features like internal soft-start, cycle-by-cycle current limiting, and thermal shutdown, ensuring reliable operation under various conditions.
The package type is a 16-pin TSSOP (PWPR), which is compact and suitable for space-constrained designs. With its robust feature set and flexible design capabilities, the TPS54386PWPR is a versatile solution for powering microcontrollers, FPGAs, DSPs, and other digital loads in complex electronic systems.

Features

The TPS54386PWPR is a dual, non-synchronous buck converter by Texas Instruments designed for efficiency in powering various applications. Key features include:
1. Wide Input Voltage Range: Supports 4.5V to 28V, making it versatile for different power sources.
2. Adjustable Output Voltage: Allows customization of output with an adjustable range from 0.76V to 5.5V.
3. High Efficiency: Optimized for high efficiency, which is crucial for battery-powered and energy-sensitive applications.
4. Dual Outputs: Provides two independent outputs, enabling it to power multiple components or systems.
5. Current Mode Control: Utilizes current mode control for fast transient response and easy loop compensation.
6. Adjustable Switching Frequency: Offers a programmable switching frequency range from 100kHz to 2.5MHz, allowing design flexibility.
7. Integrated MOSFETs: Comes with internal MOSFETs to reduce the overall component count and simplify design.
8. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced reliability and safety.
9. Compact Package: Available in a 20-pin TSSOP package with a PowerPAD for efficient thermal management.
These features make the TPS54386PWPR suitable for applications like telecommunications, consumer electronics, and industrial equipment.

Package

The TPS54386PWPR is a Texas Instruments DC-DC converter part that comes in a PowerPAD™ HTSSOP (PWP) package with 24 pins. This type of package provides enhanced thermal performance, making it suitable for power management applications.

Pinout

The TPS54386PWPR is a dual-output, non-synchronous buck converter IC from Texas Instruments, designed for applications requiring efficient power conversion. It is housed in a 20-pin HTSSOP package.
Pin Count:
- The TPS54386PWPR has 20 pins.
Functions:
- VIN: Power input pins for accepting the input voltage.
- GND: Ground pins for circuit reference.
- EN1/EN2: Enable pins to control the operation of each output channel.
- SS1/SS2: Soft start control pins for each output to manage inrush current during startup.
- FB1/FB2: Feedback pins for each output, used to regulate the output voltage.
- COMP1/COMP2: Compensation pins for each output, used to stabilize the control loop.
- SW1/SW2: Switch node pins for each output, connecting to the inductor.
- BOOT1/BOOT2: Bootstrap pins for driving the high-side FETs.
- PWRGD: Power good pin to indicate the status of the outputs.
- RT/CLK: Pin for setting the switching frequency or synchronizing to an external clock.
- VREG5: Internal 5V regulator output pin used for internal circuit biasing.
This IC is suitable for applications such as digital TV power supplies, networking equipment, and other systems requiring dual-output power solutions.

Manufacturer

The TPS54386PWPR is manufactured by Texas Instruments (TI), a global technology company. Texas Instruments designs and produces semiconductors and various integrated circuits, which are used in a wide array of electronic devices. The company is known for its innovation in analog and embedded processing technologies, serving industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments is one of the largest semiconductor companies in the world, with a long history of developing technology solutions that power the electronics around us today.

Application

The TPS54386PWPR is a dual-output step-down (buck) converter primarily used in applications requiring efficient power management. Key areas include computing systems, telecommunications, consumer electronics, and industrial equipment. It supports applications needing dual power rails, such as processors, ASICs, and FPGA power supplies, as well as distributed power systems.

Equivalent

The TPS54386PWPR is a dual output step-down (buck) converter from Texas Instruments. Equivalent products from other manufacturers may include:
1. LM26420 from Texas Instruments
2. LTC3859 from Analog Devices
3. MPQ8632 from Monolithic Power Systems
4. MAX15062 from Maxim Integrated
These equivalents vary in features, so compatibility should be verified based on specific application requirements such as voltage, current, package, and other specifications.

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