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TPS54386

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具有內(nèi)部補(bǔ)償?shù)?4.5V 至 28V 輸入、雙路 3A 輸出、600kHz 降壓轉(zhuǎn)換器

產(chǎn)品詳情

Rating Catalog Topology Buck Iout (max) (A) 3 Vin (max) (V) 28 Vin (min) (V) 4.5 Vout (max) (V) 25.2 Vout (min) (V) 0.8 Features Enable, Phase Interleaving Control mode current mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.0018 Duty cycle (max) (%) 85
Rating Catalog Topology Buck Iout (max) (A) 3 Vin (max) (V) 28 Vin (min) (V) 4.5 Vout (max) (V) 25.2 Vout (min) (V) 0.8 Features Enable, Phase Interleaving Control mode current mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.0018 Duty cycle (max) (%) 85
HTSSOP (PWP) 14 32 mm2 5 x 6.4
  • 4.5-V to 28-V Input Range
  • Output Voltage Range 0.8 V to 90% of Input
    Voltage
  • Output Current Up to 3 A
  • Two Fixed Switching Frequency Versions:
    • TPS54383: 300 kHz
    • TPS54386: 600 kHz
  • Three Selectable Levels of Overcurrent Protection
    (Output 2)
  • 0.8-V 1.5% Voltage Reference
  • 2.1-ms Internal Soft-Start
  • Dual PWM Outputs 180° Out-of-Phase
  • Ratiometric or Sequential Startup Modes Selectable
    by a Single Pin
  • 85-mΩ Internal High-Side MOSFETs
  • Current Mode Control
  • Internal Compensation
  • Pulse-by-Pulse Overcurrent Protection
  • Thermal Shutdown Protection at +148\xC2°C
  • 14-Pin PowerPAD? HTSSOP package
  • 4.5-V to 28-V Input Range
  • Output Voltage Range 0.8 V to 90% of Input
    Voltage
  • Output Current Up to 3 A
  • Two Fixed Switching Frequency Versions:
    • TPS54383: 300 kHz
    • TPS54386: 600 kHz
  • Three Selectable Levels of Overcurrent Protection
    (Output 2)
  • 0.8-V 1.5% Voltage Reference
  • 2.1-ms Internal Soft-Start
  • Dual PWM Outputs 180° Out-of-Phase
  • Ratiometric or Sequential Startup Modes Selectable
    by a Single Pin
  • 85-mΩ Internal High-Side MOSFETs
  • Current Mode Control
  • Internal Compensation
  • Pulse-by-Pulse Overcurrent Protection
  • Thermal Shutdown Protection at +148\xC2°C
  • 14-Pin PowerPAD? HTSSOP package

The TPS54383 and TPS54386 are dual output, non-synchronous buck converters capable of supporting 3-A output applications that operate from a 4.5-V to 28-V input supply voltage, and require output voltages between 0.8 V and 90% of the input voltage.

With an internally-determined operating frequency, soft-start time, and control loop compensation, these converters provide many features with a minimum of external components. Channel 1 overcurrent protection is set at 4.5 A, while Channel 2 overcurrent protection level is selected by connecting a pin to ground, to BP, or left floating. The setting levels are used to allow for scaling of external components for applications that do not need the full load capability of both outputs.

The outputs may be enabled independently, or may be configured to allow either ratio-metric or sequential startup sequencing. Additionally, the two outputs may be powered from different sources.

The TPS54383 and TPS54386 are dual output, non-synchronous buck converters capable of supporting 3-A output applications that operate from a 4.5-V to 28-V input supply voltage, and require output voltages between 0.8 V and 90% of the input voltage.

With an internally-determined operating frequency, soft-start time, and control loop compensation, these converters provide many features with a minimum of external components. Channel 1 overcurrent protection is set at 4.5 A, while Channel 2 overcurrent protection level is selected by connecting a pin to ground, to BP, or left floating. The setting levels are used to allow for scaling of external components for applications that do not need the full load capability of both outputs.

The outputs may be enabled independently, or may be configured to allow either ratio-metric or sequential startup sequencing. Additionally, the two outputs may be powered from different sources.

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* 數(shù)據(jù)表 TPS5438x Dual 3-A Non-Synchronous Converters With Integrated High-Side MOSFET 數(shù)據(jù)表 (Rev. C) PDF | HTML 2014年 12月 15日
更多文獻(xiàn)資料 TPS54386PWP Test Report 2008年 2月 15日

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評(píng)估板

TPS54386EVM — TPS54386 13.2V 輸入、雙路 5V 和 3.3V 輸出、2A 評(píng)估模塊

The TPS54386EVM evaluation module (EVM) is a dual non-synchronous buck converter providing fixed 5.0-V and 3.3-V output at up to 2 A each from a 12-V input bus. The EVM is designed to start up from a single supply, so no additional bias voltage is required for start-up. The module uses the (...)
用戶指南: PDF | HTML
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仿真模型

TPS54386 TINA-TI Average 3.3V Reference Design

SLUM042.ZIP (165 KB) - TINA-TI Reference Design
仿真模型

TPS54386 TINA-TI Average 5V Reference Design

SLUM043.ZIP (165 KB) - TINA-TI Reference Design
仿真模型

TPS54386 TINA-TI Average Spice Model

SLUM044.ZIP (4 KB) - TINA-TI Spice Model
仿真模型

TPS54386 TINA-TI Transient Reference Design

SLUM077.TSC (2002 KB) - TINA-TI Reference Design
仿真模型

TPS54386 TINA-TI Transient Spice Model

SLUM078.TSM (25 KB) - TINA-TI Spice Model
仿真模型

TPS54386 Unencrypted PSpice Average Model Package (Rev. A)

SLUM094A.ZIP (127 KB) - PSpice Model
仿真模型

TPS54386 Unencrypted PSpice Transient Model Package (Rev. A)

SLIM109A.ZIP (133 KB) - PSpice Model
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HTSSOP (PWP) 14 Ultra Librarian

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