TPS51218DSCR

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TPS51218DSCR

IC REG CTRLR BUCK 10WSON

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  • Mfr。パート #TPS51218DSCR
  • パッケージ WSON (DSC)-10
  • データシート
  • 在庫中3714

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仕様

Package Tape & Reel (TR),Cut Tape (CT),Bulk
Series D-CAP™
ProductStatus Active
OutputType Transistor Driver
Function Step-Down
OutputConfiguration Positive
Topology Buck
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 4.5V ~ 6.5V
SynchronousRectifier Yes
ClockSync No
ControlFeatures Enable, Frequency Control, Power Good
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 10-WFDFN Exposed Pad

概要

Description

The TPS51218DSCR is a high-efficiency, synchronous step-down DC-DC converter designed by Texas Instruments. It is primarily used for point-of-load applications in computing, networking, and telecommunications equipment. The device features a wide input voltage range, typically from 3.5V to 28V, and can deliver up to 6A of continuous output current.
Key features of the TPS51218DSCR include advanced power-saving techniques, such as D-CAP2™ mode control, which ensures fast transient response and reduces external component count. It also offers a range of protective features like overcurrent protection, under-voltage lockout, and thermal shutdown to enhance reliability and safety.
The TPS51218DSCR is packaged in a space-efficient, thermally enhanced 10-pin VSON package, making it suitable for compact applications. Its efficiency, ease of use, and versatility make it a popular choice for engineers designing power systems that require tight voltage regulation and high efficiency in a compact form factor.

Features

The TPS51218DSCR is a step-down controller from Texas Instruments designed for DDR memory power solutions. Key features include:
1. Wide Input Voltage Range: Supports a broad input range, making it versatile for various applications.
2. High Efficiency: Utilizes synchronous rectification to achieve high efficiency, crucial for power-sensitive applications.
3. Accurate Output Voltage: Provides precise VDDQ output voltage regulation necessary for DDR memory.
4. Integrated LDO: Features a built-in low-dropout regulator (LDO) for VTT output.
5. Soft-Start Capability: Includes a soft-start feature to limit inrush current at startup, enhancing reliability.
6. Power Good Signal: Offers a power-good output to indicate the status of the VDDQ rail.
7. Overcurrent Protection: Protects the system with a current limit mechanism, preventing damage under fault conditions.
8. Thermal Shutdown: Safeguards the device by shutting down when it exceeds temperature limits.
9. Compact Package: Available in a small, thermally efficient package, ideal for space-constrained designs.
These features make the TPS51218DSCR suitable for powering DDR memory in laptops, desktops, and other computing systems.

Package

The TPS51218DSCR is a DC-DC controller from Texas Instruments. Its package type is a WSON (Very Thin Small Outline No-lead) package with 10 pins. The specific dimensions are 3.00 mm x 3.00 mm, and it has a 0.5 mm pitch. This package type is designed for efficient thermal performance and compact size.

Pinout

The TPS51218DSCR is a synchronous buck controller from Texas Instruments, designed for high-efficiency, step-down DC-DC conversion. It comes in a 10-pin VSON (DSC) package. The primary functions of the TPS51218 include regulating a wide range of input voltages to a stable output voltage, supporting D-CAP™ mode for fast transient response, and enabling power-saving features for high efficiency.
Key pins and their functions include:
1. VIN: Input voltage supply.
2. EN: Enable pin to turn the controller on or off.
3. VREG5: Internal linear regulator output.
4. SW: Switch node, connecting to the inductor.
5. VBST: Bootstrapped supply to the high-side MOSFET driver.
6. GND: Ground.
7. VSNS: Output voltage sense.
8. FB: Feedback pin for output voltage regulation.
9. PGOOD: Power good indicator.
10. DRVH/DRVL: High-side and low-side MOSFET gate drive outputs.
This concise design facilitates high efficiency and flexibility in power management applications.

Manufacturer

The TPS51218DSCR is manufactured by Texas Instruments, a global semiconductor company. Texas Instruments is known for designing and manufacturing a wide range of analog and embedded processing products. They serve various industries, including automotive, communications equipment, enterprise systems, and personal electronics.

Application

The TPS51218DSCR is a high-efficiency, synchronous buck converter primarily used in applications requiring precise voltage regulation. It is commonly employed in computing systems, telecommunications equipment, and industrial electronics for applications such as point-of-load converters, processors, FPGAs, ASICs, and DDR memory power supplies. Its compact design and efficient power conversion make it suitable for space-constrained and energy-sensitive applications.

Equivalent

The TPS51218DSCR is a step-down DC-DC converter from Texas Instruments. Equivalent products may include:
1. Microchip's MCP16301 - A high-efficiency buck converter.
2. ON Semiconductor's NCP3170 - A synchronous buck converter.
3. Analog Devices' ADP2300 - A step-down regulator.
4. Maxim Integrated's MAX17503 - A high-efficiency synchronous step-down converter.
Ensure to check the datasheets for compatibility in terms of voltage range, current capacity, and package type to ensure they meet your specific application requirements.

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出荷料参照(DHL/FedEx):

DHL の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル(0.5kg)の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル(0.1kg)で、推定配送時間は5〜20営業日です。

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