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Administración de potencia
Reguladores conmutados CC/CC
Convertidores de CC/CC

TPS6735

ACTIVO

Convertidor CC/CC de inversión negativo fijo de 5 V y 200 mA

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TPS6735

ACTIVO
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Detalles del producto

Rating Catalog Topology Inverting Vin (max) (V) 6.2 Vin (min) (V) 4 Vout (max) (V) -5 Vout (min) (V) -5 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) 6.2 Vin (min) (V) 4 Vout (max) (V) -5 Vout (min) (V) -5 Switch current limit (typ) (A) 2 Features Enable Operating temperature range (°C) -40 to 85 Iq (typ) (A) 0.0019 Duty cycle (max) (%) 100
SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm) PDIP (P) 8 92.5083 mm² (9.81 mm × 9.43 mm)
  • Negative 5-V 200-mA Output (VCC >= 4.5 V)
  • \x95 4-V to 6.2-V Input Operating Range
  • \x95 78% Typical Efficiency
  • \x95 160-kHz Fixed-Frequency Current-Mode PWM Controller
  • \x95 EN Input Inhibits Operation and Reduces Supply Current to 1 uA
  • \x95 Soft Start
  • \x95 8-Pin SOIC and DIP Packages
  • \x95 -40°C to 85°C Free-Air Temperature Range
  • \x95 Pin-for-Pin Compatible with MAX735
  • Negative 5-V 200-mA Output (VCC >= 4.5 V)
  • \x95 4-V to 6.2-V Input Operating Range
  • \x95 78% Typical Efficiency
  • \x95 160-kHz Fixed-Frequency Current-Mode PWM Controller
  • \x95 EN Input Inhibits Operation and Reduces Supply Current to 1 uA
  • \x95 Soft Start
  • \x95 8-Pin SOIC and DIP Packages
  • \x95 -40°C to 85°C Free-Air Temperature Range
  • \x95 Pin-for-Pin Compatible with MAX735

The TPS6735 is a fixed negative 5-V output inverting dc/dc converter capable of delivering 200 mA from inputs as low as 4.5 V. The only external components required are an inductor, an output filter capacitor, an input filter capacitor, a reference filter capacitor, and a Schottky rectifier. An enable input is provided to shut down the inverter when a -5-V output 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 TPS6735 is a 160-kHz current-mode pulse-width-modulation (PWM) controller with a p-channel MOSFET power switch. The gate drive uses the -5-V 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 TPS6735 is attractive for board-level dc/dc conversion in computer peripherals and in battery-powered equipment requiring high efficiency and low supply current.

The TPS6735 is available in 8-pin DIP and SOIC packages and operates over a free-air temperature range of -40°C to 85°C.

The TPS6735 is a fixed negative 5-V output inverting dc/dc converter capable of delivering 200 mA from inputs as low as 4.5 V. The only external components required are an inductor, an output filter capacitor, an input filter capacitor, a reference filter capacitor, and a Schottky rectifier. An enable input is provided to shut down the inverter when a -5-V output 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 TPS6735 is a 160-kHz current-mode pulse-width-modulation (PWM) controller with a p-channel MOSFET power switch. The gate drive uses the -5-V 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 TPS6735 is attractive for board-level dc/dc conversion in computer peripherals and in battery-powered equipment requiring high efficiency and low supply current.

The TPS6735 is available in 8-pin DIP and SOIC packages and operates over a free-air temperature range of -40°C to 85°C.
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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos Fixed Negative 5-V 200-mA Inverting DC/DC Converter datasheet (Rev. A) 20/12/1996

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