TPS53321RGTR

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TPS53321RGTR

IC REG BUCK ADJUSTABLE 5A 16QFN

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規格

Package Tape & Reel (TR),Cut Tape (CT),Bulk
Series SmoothPWM™, Eco-Mode™
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 2.9V
Voltage-Input(Max) 6V
Voltage-Output(Min/Fixed) 0.6V
Voltage-Output(Max) 5.04V
Current-Output 5A
Frequency-Switching 1.1MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 16-VFQFN Exposed Pad

概述

Description

TPS53321RGTR is TI’s SIMPLE SWITCHER buck regulator IC. It’s a high-efficiency, single-output DC-DC converter that steps down a higher input voltage to a lower, regulator output using external feedback resistors.
Key points:
- Synchronous buck topology with integrated switchFETs (simplifies design and improves efficiency).
- External feedback network sets the output voltage.
- Includes control features like enable/shutdown, soft-start, and protections (UVLO, overcurrent, thermal).
- RoHS-compliant, with RGTR indicating tape-and-reel packaging.
Usage basics:
- Typical external components: input capacitor, inductor, output capacitor, and a feedback divider.
- EN pin to enable/disable regulation.
- Suitable for point-of-load power for microprocessors, FPGAs, telecom, and embedded systems.
If you need, I can provide a concise datasheet summary, pinout, or a basic reference schematic.

Features

Here are typical features of the TPS53321RGTR (TI buck regulator):
- 8-pin package with exposed pad (RGTR)
- Buck regulator topology for step-down power
- Input voltage range: 2.7 V to 5.5 V
- Output: fixed-output options or adjustable via feedback network
- High efficiency with fast transient response
- Enable (EN) input with UVLO
- Soft-start to limit inrush
- Protections: overcurrent/short-circuit protection, thermal shutdown, UVLO
- Overvoltage protection (OVP)
- Suitable for surface mounting; tape-and-reel packaging available
Note: exact values (max current, exact input/output ranges, switching frequency, etc.) vary by variant. Please consult the datasheet for precise specifications.

Package

8-pin VQFN (3×3 mm) leadless package (RoHS, Tape & Reel).

Pinout

Pin count: 8 pins.
Function: A single‑channel, high‑efficiency buck (step‑down) DC‑DC regulator. It uses an external inductor to convert Vin to a regulated Vout; features include EN (enable) and FB (feedback) pins for regulation, plus VIN, GND, and SW (switch node) pins (with three additional control/power pins depending on the package).

Manufacturer

- Manufacturer: Texas Instruments Incorporated (TI).
- What kind of company: TI is an American multinational semiconductor company that designs and manufactures analog, mixed-signal, and embedded processing integrated circuits, including power-management devices.

Application

TPS53321RGTR is a compact, high-efficiency buck regulator suitable for point-of-load and distributed power. Typical applications: power rails for CPUs/GPUs/FPGA/ASICs and memory; telecom/networking equipment; data-center/server infrastructure; industrial control and instrumentation; embedded/portable systems needing small size and low noise; post-regulation for analog/mixed-signal domains.

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