TPS54973

Name: TPS54973
Brand: TI
SKU: TPS54973
Price: 3.333 USD

アクティブ

プリバイアス出力向け、3.3V 入力、9A 同期整流降圧コンバータ

ご注文はこちら

データシート

document-pdfAcrobat 3-V to 4-V Input 9-A Output Synchronous Buck Switcher データシート (Rev. A) (英語)

TPS54973

アクティブ

データシート

ご注文はこちら

製品詳細

Iout (max) (A)

9

Vin (min) (V)

3

Vin (max) (V)

4

Topology

Buck

Type

Converter

Switching frequency (min) (kHz)

280

Switching frequency (max) (kHz)

700

Features

Enable, Frequency synchronization, Power good, Pre-Bias Start-Up, Synchronous Rectification

Control mode

Voltage mode

Vout (min) (V)

0.9

Vout (max) (V)

2.5

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Iq (typ) (A)

0.011

Iout (max) (A)

9

Vin (min) (V)

3

Vin (max) (V)

4

Topology

Buck

Type

Converter

Switching frequency (min) (kHz)

280

Switching frequency (max) (kHz)

700

Features

Enable, Frequency synchronization, Power good, Pre-Bias Start-Up, Synchronous Rectification

Control mode

Voltage mode

Vout (min) (V)

0.9

Vout (max) (V)

2.5

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Iq (typ) (A)

0.011

HTSSOP (PWP)

28

62.08 mm² 9.7 x 6.4

15-m MOSFET Switches for High Efficiency at 9-A Continuous Output Source or Sink Current
Disabled Current Sinking During Start-Up
0.9-V to 2.5-V Adjustable Output Voltage Range With 1.0% Accuracy
Wide PWM Frequency:
Fixed 350 kHz, 550 kHz or
Adjustable 280 kHz to 700 kHz
Synchronizable to 700 kHz
Load Protected by Peak Current Limit and Thermal Shutdown
Integrated Solution Reduces Board Area and Component Count
APPLICATIONS
- Low-Voltage, High-Density Distributed Power Systems
- Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors
- Broadband, Networking and Optical Communications Infrastructure
- Power PC Series Processors

PowerPAD and SWIFT are trademarks of Texas Instruments.

15-m MOSFET Switches for High Efficiency at 9-A Continuous Output Source or Sink Current
Disabled Current Sinking During Start-Up
0.9-V to 2.5-V Adjustable Output Voltage Range With 1.0% Accuracy
Wide PWM Frequency:
Fixed 350 kHz, 550 kHz or
Adjustable 280 kHz to 700 kHz
Synchronizable to 700 kHz
Load Protected by Peak Current Limit and Thermal Shutdown
Integrated Solution Reduces Board Area and Component Count
APPLICATIONS
- Low-Voltage, High-Density Distributed Power Systems
- Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors
- Broadband, Networking and Optical Communications Infrastructure
- Power PC Series Processors

PowerPAD and SWIFT are trademarks of Texas Instruments.

As a member of the SWIFT™ family of dc/dc regulators, the TPS54973 low-input voltage high-output current synchronous buck PWM converter integrates all required active components. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that enables maximum performance and flexibility in choosing the output filter L and C components; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 3 V; an internally or externally set slow-start circuit to limit in-rush currents; and a power good output useful for processor/logic reset, fault signaling, and supply sequencing.

For reliable power up in output precharge applications, the TPS54973 is designed to only source current during startup.

The TPS54973 is available in a thermally enhanced 28-pin TSSOP (PWP) PowerPAD™ package, which eliminates bulky heatsinks. TI provides evaluation modules and the SWIFT™ designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

As a member of the SWIFT™ family of dc/dc regulators, the TPS54973 low-input voltage high-output current synchronous buck PWM converter integrates all required active components. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that enables maximum performance and flexibility in choosing the output filter L and C components; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 3 V; an internally or externally set slow-start circuit to limit in-rush currents; and a power good output useful for processor/logic reset, fault signaling, and supply sequencing.

For reliable power up in output precharge applications, the TPS54973 is designed to only source current during startup.

The TPS54973 is available in a thermally enhanced 28-pin TSSOP (PWP) PowerPAD™ package, which eliminates bulky heatsinks. TI provides evaluation modules and the SWIFT™ designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

open-in-new

その他の AC/DC & DC/DC converters (integrated FET) を検索

ダウンロード字幕付きのビデオを表示ビデオ

技術資料

star

=TI が選定したこの製品の主要ドキュメント

結果が見つかりませんでした。検索条件をクリアしてから、再度検索を試してください。

6 をすべて表示

	種類	タイトル	日付
*	データシート	3-V to 4-V Input 9-A Output Synchronous Buck Switcher データシート (Rev. A)	2005年 3月 8日
	アプリケーション・ノート	Thermal Performance of SWIFT(TM) DC/DC Converters in the 28-Pin HTSSOP Package	2005年 2月 4日
	その他の技術資料	XILINXPWR-082 EVM	2004年 7月 23日
	EVM ユーザーガイド (英語)	TPS54973EVM-017 9-Amp: Swift Regulator with Disabled Sink During Startup EVM	2003年 8月 1日
	アプリケーション・ノート	Sequencing with TPS54x80 and TPS54x73 DC/DC Converters	2003年 4月 14日
	アプリケーション・ノート	Using Low Voltage SWIFT DC/DC Converters with Ceramic Capacitors	2003年 1月 8日