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AC/DC 和 DC/DC 轉換器 (整合式 FET)

TPS54073

現行

適用於預偏壓輸出的 3V 至 4V 輸入、14A 同步降壓轉換器 

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TPS54073

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Topology Buck Switch current limit (typ) (A) 21 Iout (max) (A) 14 Vin (max) (V) 4 Vin (min) (V) 2.2 Vout (max) (V) 2.5 Vout (min) (V) 0.9 Features Enable, Frequency synchronization, Power good, Synchronous Rectification Control mode Voltage mode Switching frequency (min) (kHz) 280 Switching frequency (max) (kHz) 700 Operating temperature range (°C) -40 to 85 Iq (typ) (µA) 13000 Duty cycle (max) (%) 90 Type Converter
Rating Catalog Topology Buck Switch current limit (typ) (A) 21 Iout (max) (A) 14 Vin (max) (V) 4 Vin (min) (V) 2.2 Vout (max) (V) 2.5 Vout (min) (V) 0.9 Features Enable, Frequency synchronization, Power good, Synchronous Rectification Control mode Voltage mode Switching frequency (min) (kHz) 280 Switching frequency (max) (kHz) 700 Operating temperature range (°C) -40 to 85 Iq (typ) (µA) 13000 Duty cycle (max) (%) 90 Type Converter
HTSSOP (PWP) 28 62.08 mm² 9.7 x 6.4
  • 8-m
  • 8-m

As a member of the SWIFT™ family of dc/dc regulators, the TPS54073 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 TPS54073 is designed to only source current during start-up.

The TPS54073 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 TPS54073 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 TPS54073 is designed to only source current during start-up.

The TPS54073 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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類型 標題 日期
* Data sheet 2.2 - 4-V Input 14-A Synchronous Buck Converter w/Disable Sinking During Startup datasheet 2005年 2月 2日

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