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DC/DC 轉換器

TPS6755

現行

可調整反相 DC/DC 轉換器

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現在提供此產品的更新版本

open-in-new 比較替代產品
功能相同，但針腳輸出與所比較的裝置不同。
TPS63700 現行 採用 3x3 QFN 封裝的可調式 -15V 輸出反向 DC/DC 轉換器 Smaller solution size, higher efficiency

TPS6755

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Topology Inverting Vin (max) (V) 9 Vin (min) (V) 2.7 Vout (max) (V) -1.23 Vout (min) (V) -9.3 Switch current limit (typ) (A) 2 Features Enable Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.0019 Duty cycle (max) (%) 100
Rating Catalog Topology Inverting Vin (max) (V) 9 Vin (min) (V) 2.7 Vout (max) (V) -1.23 Vout (min) (V) -9.3 Switch current limit (typ) (A) 2 Features Enable Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.0019 Duty cycle (max) (%) 100
PDIP (P) 8 92.5083 mm² (9.81 mm × 9.43 mm) SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • 1-W Output (VCC >= 4.5 V)
  • 2.7-V to 9-V Input Operating Range
  • 78% Typical Efficiency
  • 160-kHz Fixed-Frequency Current-Mode PWM Controller
  • EN Input Inhibits Operation and Reduces Supply Current to 1 uA
  • Output Voltage Limited to VO <= 12 V- VCC
  • Soft Start
  • 8-Pin SOIC and DIP Packages
  • -40°C to 85°C Free-Air Temperature Range
  • Pin-for-Pin Compatible with MAX755
  • 1-W Output (VCC >= 4.5 V)
  • 2.7-V to 9-V Input Operating Range
  • 78% Typical Efficiency
  • 160-kHz Fixed-Frequency Current-Mode PWM Controller
  • EN Input Inhibits Operation and Reduces Supply Current to 1 uA
  • Output Voltage Limited to VO <= 12 V- VCC
  • Soft Start
  • 8-Pin SOIC and DIP Packages
  • -40°C to 85°C Free-Air Temperature Range
  • Pin-for-Pin Compatible with MAX755

The TPS6755 is an adjustable inverting dc/dc converter capable of operating from inputs as low as 2.7 V. The only external components required are an inductor, an output filter capacitor, an input filter capacitor, a reference filter capacitor, two resistors, and a Schottky rectifier. An enable input is provided to shut down the inverter when an output voltage is not needed. The typical supply current is 1.9 mA at no-load and is further reduced to 1-uA when the enable input is low.

The device features a 160-kHz current-mode pulse-width-modulation (PWM) controller with a p-channel MOSFET power switch. The gate drive uses the converter output to reduce the die area needed to realize the 0.4- MOSFET. Soft start is accomplished with the addition of one small capacitor at SS. A 1.22-V reference is available for external loads up to 125 uA.

The TPS6755 is attractive for board-level dc/dc conversion in computer peripherals and in battery-powered equipment requiring high efficiency and low supply current.

Available in an 8-pin DIP or an 8-pin SOIC package, the TPS6755 operates over a free-air temperature range of - 40°C to 85°C.

The TPS6755 is an adjustable inverting dc/dc converter capable of operating from inputs as low as 2.7 V. The only external components required are an inductor, an output filter capacitor, an input filter capacitor, a reference filter capacitor, two resistors, and a Schottky rectifier. An enable input is provided to shut down the inverter when an output voltage is not needed. The typical supply current is 1.9 mA at no-load and is further reduced to 1-uA when the enable input is low.

The device features a 160-kHz current-mode pulse-width-modulation (PWM) controller with a p-channel MOSFET power switch. The gate drive uses the converter output to reduce the die area needed to realize the 0.4- MOSFET. Soft start is accomplished with the addition of one small capacitor at SS. A 1.22-V reference is available for external loads up to 125 uA.

The TPS6755 is attractive for board-level dc/dc conversion in computer peripherals and in battery-powered equipment requiring high efficiency and low supply current.

Available in an 8-pin DIP or an 8-pin SOIC package, the TPS6755 operates over a free-air temperature range of - 40°C to 85°C.
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* 資料表 Adjustable Inverting DC/DC Converter datasheet (Rev. A) 1996/12/1

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