TPS566238

現行

具有強制連續傳導模式的 3-V 至 18-V 輸入、6-V 同步降壓穩壓器

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產品規格表

document-pdfAcrobat TPS56623x 3-V to 18-V Input, 6-A Synchronous Step-Down Voltage Regulator datasheet (Rev. B) (英文) PDF | HTML

TPS566238

現行

產品規格表

立即訂購

產品詳細資料

Rating

Catalog

Topology

Buck

Iout (max) (A)

6

Vin (max) (V)

18

Vin (min) (V)

3

Vout (max) (V)

7

Vout (min) (V)

0.6

Features

Enable, Forced PWM, Over Current Protection, Power good, Soft Start Adjustable, Synchronous Rectification

Control mode

D-CAP3

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.00005

Duty cycle (max) (%)

98

Rating

Catalog

Topology

Buck

Iout (max) (A)

6

Vin (max) (V)

18

Vin (min) (V)

3

Vout (max) (V)

7

Vout (min) (V)

0.6

Features

Enable, Forced PWM, Over Current Protection, Power good, Soft Start Adjustable, Synchronous Rectification

Control mode

D-CAP3

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.00005

Duty cycle (max) (%)

98

VQFN-HR (RQF)

9

3 mm² (2 mm × 1.5 mm)

Configured for rugged applications
- 3-V to 18-V input voltage range
- 0.6-V to 7-V output voltage range
- 6-A continuous output current
- 0.6-V ±1% reference voltage (25°C)
- 98% maximum duty cycle
- 600-kHz switching frequency
- Non-latched for OC, OV, UV, and OT protections
- Built-in output discharge function
Numerous pin-compatible options
- TPS566231 and TPS566238 with SS pin for adjustable soft-start time
- TPS566231P and TPS566238P with PG pin for power-good indicator
- TPS566231 and TPS566231P for auto-skip mode
- TPS566238 and TPS566238P for continuous current mode
Mandarin data sheet available
Small design size and ease of use
- Integrated power MOSFET with RDS(on) 20.8 mΩ and 10.6 mΩ
- D-CAP3™ control mode for fast transient response and internal compensation
- 1.5-mm × 2.0-mm HotRod™ QFN package
- Create a custom design with the WEBENCH Power Designer

Configured for rugged applications
- 3-V to 18-V input voltage range
- 0.6-V to 7-V output voltage range
- 6-A continuous output current
- 0.6-V ±1% reference voltage (25°C)
- 98% maximum duty cycle
- 600-kHz switching frequency
- Non-latched for OC, OV, UV, and OT protections
- Built-in output discharge function
Numerous pin-compatible options
- TPS566231 and TPS566238 with SS pin for adjustable soft-start time
- TPS566231P and TPS566238P with PG pin for power-good indicator
- TPS566231 and TPS566231P for auto-skip mode
- TPS566238 and TPS566238P for continuous current mode
Mandarin data sheet available
Small design size and ease of use
- Integrated power MOSFET with RDS(on) 20.8 mΩ and 10.6 mΩ
- D-CAP3™ control mode for fast transient response and internal compensation
- 1.5-mm × 2.0-mm HotRod™ QFN package
- Create a custom design with the WEBENCH Power Designer

The TPS56623x are simple, easy-to-use, high-efficiency, 6-A synchronous buck converters in a QFN 9-pin 1.5-mm × 2.0-mm package.

The devices operate with wider supply input voltage ranging from 3 V to 18 V. The D-CAP3 control mode is adopted to provide a fast transient response, good line and load regulation, no requirement for external compensation, and support to low-ESR output capacitors.

The TPS566231 and TPS566231P operate in Eco-mode for high efficiency during light load operation. The devices are designed as the ULQ™ DC/DC converter, achieving 50-µA quiescent current to enable long battery life in low-power applications. The TPS566238 and TPS566238P operate in continuous current mode, which maintains lower output ripple during all load conditions.

The TPS566231 and TPS566238 soft-start time can be adjusted through the SS pin. The TPS566231P and TPS566238P indicate power good through the PG pin.

The TPS56623x can support up to 98% duty cycle operation, and integrate complete protection through OVP, OCP, UVLO, OTP, and UVP with hiccup. The devices are each available in a 9-pin 1.5-mm × 2.0-mm HotRod package. The junction temperature is specified from –40°C to 125°C.

The TPS56623x are simple, easy-to-use, high-efficiency, 6-A synchronous buck converters in a QFN 9-pin 1.5-mm × 2.0-mm package.

The devices operate with wider supply input voltage ranging from 3 V to 18 V. The D-CAP3 control mode is adopted to provide a fast transient response, good line and load regulation, no requirement for external compensation, and support to low-ESR output capacitors.

The TPS566231 and TPS566231P operate in Eco-mode for high efficiency during light load operation. The devices are designed as the ULQ™ DC/DC converter, achieving 50-µA quiescent current to enable long battery life in low-power applications. The TPS566238 and TPS566238P operate in continuous current mode, which maintains lower output ripple during all load conditions.

The TPS566231 and TPS566238 soft-start time can be adjusted through the SS pin. The TPS566231P and TPS566238P indicate power good through the PG pin.

The TPS56623x can support up to 98% duty cycle operation, and integrate complete protection through OVP, OCP, UVLO, OTP, and UVP with hiccup. The devices are each available in a 9-pin 1.5-mm × 2.0-mm HotRod package. The junction temperature is specified from –40°C to 125°C.

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TPS566231

現行

具有脈衝略過模式的 3V 至 18V 輸入、6A 同步降壓穩壓器 Upgraded eco-mode converter with improved efficiency.

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重要文件	類型	標題	格式選項	日期
*	資料表	TPS56623x 3-V to 18-V Input, 6-A Synchronous Step-Down Voltage Regulator datasheet (Rev. B)	PDF \| HTML	2023/12/11
	應用說明	Peak Current Mode Converter Secondary Stage Filter Design for Low Ripple Power – Part II: Hybrid Sense Network	PDF \| HTML	2024/2/27
	應用說明	6-A DC/DC Buck Converter Selection Guide of Mid-range VIN	PDF \| HTML	2023/4/18
	應用說明	Stability Analysis and Design of D-CAP2 and D-CAP3 Converter – Part 2	PDF \| HTML	2021/8/2
	技術文章	Which pinout is best? How individual, multifunctional and trimmed pinouts help add	PDF \| HTML	2021/6/28
	應用說明	Stability Analysis and Design of D-CAP2 and D-CAP3 Converter – Part 1	PDF \| HTML	2021/6/9
	證書	TPS566238EVM EU Declaration of Conformity (DoC)		2020/5/29

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開發板

TPS566238EVM — 3-V 至 18-V VIN、6-A 同步降壓轉換器評估模組

TPS566238EVM 評估模組 (EVM) 可用於評估 TPS566238 裝置。TPS566238 是一款具成本效益、高電壓輸入並搭載整合式 FET的同步降壓轉換器。TPS566238 可在 3V 至 18V 的供應輸入電壓範圍中運作。其採用 DCAP3™ 控制模式提供快速暫態響應、良好線路、負載穩壓，無需外部補償，並支援低 ESR 輸出電容器。TPS566238 是一款高效率轉換器，可提供完整保護 OVP、UVP、OCP、OTP 並結合電源良好訊號。

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TPS566238PEVM — 具 PGOOD 評估模組的 TPS566238P 6-A 同步降壓轉換器

TPS566238PEVM 評估模組 (EVM) 可用於評估 TPS566238P 裝置，是一款搭載整合式 FET 的高電壓輸入同步降壓轉換器。TPS566238P 可在 3V 至 18V 的供應輸入電壓範圍中運作。其採用 DCAP3™ 控制模式提供快速暫態響應、良好線路、負載穩壓，無需外部補償，並支援低 ESR 輸出電容器。TPS566238P 為一 FCCM 轉換器，可提供完整保護 OVP、UVP、OCP、OTP 並結合電源良好訊號。