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AC/DC 和 DC/DC 轉換器 (整合式 FET)

TPS56637

現行

具有 ULQ-Mode 的 4.5V 至 28V、6A 同步降壓轉換器

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產品規格表

TPS56637

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) 28 Vin (min) (V) 4.5 Vout (max) (V) 13 Vout (min) (V) 0.6 Features Enable, Forced PWM, Light-load efficiency, Prebias startup, Soft-start fixed, Synchronous rectification, UVLO adjustable Control mode D-CAP3 Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 500 Operating temperature range (°C) -40 to 150 Iq (typ) (µA) 125 Duty cycle (max) (%) 91 Type Converter
Rating Catalog Topology Buck Iout (max) (A) 6 Vin (max) (V) 28 Vin (min) (V) 4.5 Vout (max) (V) 13 Vout (min) (V) 0.6 Features Enable, Forced PWM, Light-load efficiency, Prebias startup, Soft-start fixed, Synchronous rectification, UVLO adjustable Control mode D-CAP3 Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 500 Operating temperature range (°C) -40 to 150 Iq (typ) (µA) 125 Duty cycle (max) (%) 91 Type Converter
VQFN-HR (RPA) 10 9 mm² 3 x 3
  • 4.5-V to 28-V input voltage range
  • 0.6-V to 13-V output voltage range
  • 6-A maximum continuous output current
  • Integrated 26-mΩ and 12-mΩ MOSFETs
  • 0.6-V ±1% Reference Voltage
  • D-CAP3™ control mode for fast transient response
  • Eco-mode™ and FCCM (forced continuous conduction mode) selectable for light-load operation through MODE pin
  • Internal 2-ms soft start
  • Built-in output discharge function
  • 500-kHz switching frequency
  • Power good indicator to monitor output voltage
  • Cycle by cycle over current limit
  • Non-latched protections for UV, OV, OT and UVLO
  • –40°C to +150°C operating junction temperature
  • Small 10-Pin 3.0-mm × 3.0-mm HotRod™ QFN Package
  • Available in WEBENCH® Power Designer to create custom designs
  • 4.5-V to 28-V input voltage range
  • 0.6-V to 13-V output voltage range
  • 6-A maximum continuous output current
  • Integrated 26-mΩ and 12-mΩ MOSFETs
  • 0.6-V ±1% Reference Voltage
  • D-CAP3™ control mode for fast transient response
  • Eco-mode™ and FCCM (forced continuous conduction mode) selectable for light-load operation through MODE pin
  • Internal 2-ms soft start
  • Built-in output discharge function
  • 500-kHz switching frequency
  • Power good indicator to monitor output voltage
  • Cycle by cycle over current limit
  • Non-latched protections for UV, OV, OT and UVLO
  • –40°C to +150°C operating junction temperature
  • Small 10-Pin 3.0-mm × 3.0-mm HotRod™ QFN Package
  • Available in WEBENCH® Power Designer to create custom designs

The TPS56637 is a high efficiency, high-voltage input, easy-to-use synchronous buck converter with integrated MOSFETs.

With the wide operating input voltage range of 4.5 V to 28 V, the TPS56637 is ideally suited for systems powered from 12-V, 19-V, 24-V power-bus rails. It supports up to 6-A continuous output current at output voltages between 0.6 V and 13 V.

The TPS56637 uses DCAP3™ control mode to provide fast transient response, good line and load regulation, no requirement for external compensation, and supports low equivalent series resistance (ESR) output capacitors such as POSCAP and MLCC.

The TPS56637 has both FCCM and Eco-mode™ operation modes for selection at light-load condition through configuration of MODE pin. To attain high efficiency at light load, Eco-mode™ could be selected. To support tight output voltage ripple requirement, FCCM could be selected.

The TPS56637 provides complete non-latched OV (Over-voltage), UV (Under-voltage), OC (Over-current), OT (Over-temperature) and UVLO (Under-voltage lock-out) protections combined with power good indicator and output discharge function features.

The TPS56637 is available in a 10-pin 3.0-mm x 3.0-mm HotRod™ QFN package and the junction temperature is specified from –40°C to 150°C.

The TPS56637 is a high efficiency, high-voltage input, easy-to-use synchronous buck converter with integrated MOSFETs.

With the wide operating input voltage range of 4.5 V to 28 V, the TPS56637 is ideally suited for systems powered from 12-V, 19-V, 24-V power-bus rails. It supports up to 6-A continuous output current at output voltages between 0.6 V and 13 V.

The TPS56637 uses DCAP3™ control mode to provide fast transient response, good line and load regulation, no requirement for external compensation, and supports low equivalent series resistance (ESR) output capacitors such as POSCAP and MLCC.

The TPS56637 has both FCCM and Eco-mode™ operation modes for selection at light-load condition through configuration of MODE pin. To attain high efficiency at light load, Eco-mode™ could be selected. To support tight output voltage ripple requirement, FCCM could be selected.

The TPS56637 provides complete non-latched OV (Over-voltage), UV (Under-voltage), OC (Over-current), OT (Over-temperature) and UVLO (Under-voltage lock-out) protections combined with power good indicator and output discharge function features.

The TPS56637 is available in a 10-pin 3.0-mm x 3.0-mm HotRod™ QFN package and the junction temperature is specified from –40°C to 150°C.
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類型 標題 日期
* Data sheet TPS56637 4.5-V to 28-V Input, 6-A Synchronous Buck Converter datasheet (Rev. A) PDF | HTML 2019年 4月 11日
Selection guide Buck Converter Quick Reference Guide (Rev. B) 2021年 4月 8日
Application note Optimize Output Filter on D-CAP2 for Stability Improvement 2017年 6月 13日

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TPS56637EVM — DC-DC 降壓轉換器評估模組

TPS56637 是自適應導通時間 D-CAP3™ 模式同步降壓 DC-DC 轉換器，能提供 6A 的連續輸出電流。此切換模式電源 (SMPS) IC 透過提供 Ecomode™（脈衝略過），針對需要極低功率的應用，例如印表機、數位電視和監視器最佳化。TPS56637 整合耐壓 30V 的 MOSFET，適用於由 24V 匯流排供電的應用。D-CAP3™ 模式只需極少的外部元件，就能提供易於設計、穩定的穩壓功能，並支援具成本效益的陶瓷電容器。為了擴大更多應用，TPS56637 提供 FCCM 和 Eco-mode 兩種模式，可在輕負載運作時選擇。此外，D-CAP3™ 模式輸出最高可支援 (...)
使用指南: PDF | HTML
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TPS56637 PSpice Transient Model

SLVMD48.ZIP (109 KB) - PSpice Model
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VQFN-HR (RPA) 10 Ultra Librarian
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