TPS54673

Name: TPS54673
Brand: TI
SKU: TPS54673
Price: 2.745 USD

アクティブ

プリバイアス出力向け、3V ～ 6V 入力、6A、同期整流降圧 SWIFT™ コンバータ

ご注文はこちら

データシート

document-pdfAcrobat Synchronous Buck Switcher w/Disabled Sinking During Start-Up データシート (Rev. A) (英語)

TPS54673

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)

6

Vin (min) (V)

3

Vin (max) (V)

6

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)

4.5

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Iq (typ) (A)

0.011

Iout (max) (A)

6

Vin (min) (V)

3

Vin (max) (V)

6

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)

4.5

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

30-, 12-A Peak MOSFET Switches for High Efficiency at 6-A Continuous Output Source or Sink Current
Disabled Current Sinking During Start-Up
0.9-V to 3.3-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.

30-, 12-A Peak MOSFET Switches for High Efficiency at 6-A Continuous Output Source or Sink Current
Disabled Current Sinking During Start-Up
0.9-V to 3.3-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 TPS54673 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 under-voltage-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 TPS54673 is designed to only source current during startup.

The TPS54673 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 TPS54673 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 under-voltage-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 TPS54673 is designed to only source current during startup.

The TPS54673 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.

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	種類	タイトル	日付
*	データシート	Synchronous Buck Switcher w/Disabled Sinking During Start-Up データシート (Rev. A)	2005年 1月 13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
	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
	EVM ユーザーガイド (英語)	DC/DC Converter With Disabled Sink During Start-Up EVM	2003年 1月 17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
	アプリケーション・ノート	Optimizing the Layout of the TPS546xx for Thermal Performance (Rev. A)	2002年 2月 8日
	アプリケーション・ノート	Designing for Small-Size, High-Freq Applications Using TPS546xx DC/DC Converters	2001年 10月 19日