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TPS54335-2A

  

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TI
Texas Instruments
TPS54335-2A 4.5-V to 28-V Input, 3-A Output, Synchronous Step-Down DC-DC Converter

Description
The TPS54335-2A synchronous converter with an input-voltage range of 4.5 V to 28 V. This device has an integrated low-side switching FET that eliminates the need for an external diode which reduces component count.
Efficiency is maximized through the integrated 128-mΩ and 84-mΩ MOSFETs, low IQ and pulse skipping at light loads. Using the enable pin, the shutdown supply current is reduced to 2 μA. This step-down (buck) converter provides accurate regulation for a variety of loads with a well-regulated voltage reference that is 1.5% over temperature.
Cycle-by-cycle current limiting on the high-side MOSFET protects the TPS54335-2A in overload situations and is enhanced by a low-side sourcing current limit which prevents current runaway. A low side sinking current-limit turns off the low-side MOSFET to prevent excessive reverse current. Hiccup protection is triggered if the overcurrent condition continues for longer than the preset time. Thermal shutdown disables the device when the die temperature exceeds the threshold and enables the device again after the built-in thermal hiccup time.

Features
• Synchronous 128-mΩ and 84-mΩ MOSFETs for
   3-A Continuous Output Current
• Internal 2-ms Soft-Start,
   50-kHz to 1.5-MHz Adjustable Frequency
• Low 2-µA Shutdown, Quiescent Current
• 0.8-V Voltage Reference with ±0.8% Accuracy
• Current Mode Control
• Monotonic Startup into Pre-Biased Outputs
• Pulse Skipping for Light-Load Efficiency
• Hiccup Mode Overcurrent Protection
• Thermal Shutdown (TSD) and
   Overvoltage Transition Protection
• 10-Pin VSON Package

Applications
• Consumer Applications such as a Digital TV
   (DTV), Set Top Box (STB, DVD/Blu-ray Player),
   LCD Display, CPE (Cable Modem, WiFi Router),
   DLP Projectors, Smart Meters
• Battery Chargers
• Industrial and Car Audio Power Supplies
• 5-V, 12-V, and 24-V Distributed Power Bus Supply


other parts : TPS54335-2ADRCR  TPS54335-2ADRCT  
TPS54335-2A PDF
TI
Texas Instruments
TPS54335-2ADRCT 4.5-V to 28-V Input, 3-A Output, Synchronous Step-Down DC-DC Converter

Description
The TPS54335-2A synchronous converter with an input-voltage range of 4.5 V to 28 V. This device has an integrated low-side switching FET that eliminates the need for an external diode which reduces component count.
Efficiency is maximized through the integrated 128-mΩ and 84-mΩ MOSFETs, low IQ and pulse skipping at light loads. Using the enable pin, the shutdown supply current is reduced to 2 μA. This step-down (buck) converter provides accurate regulation for a variety of loads with a well-regulated voltage reference that is 1.5% over temperature.
Cycle-by-cycle current limiting on the high-side MOSFET protects the TPS54335-2A in overload situations and is enhanced by a low-side sourcing current limit which prevents current runaway. A low side sinking current-limit turns off the low-side MOSFET to prevent excessive reverse current. Hiccup protection is triggered if the overcurrent condition continues for longer than the preset time. Thermal shutdown disables the device when the die temperature exceeds the threshold and enables the device again after the built-in thermal hiccup time.

Features
• Synchronous 128-mΩ and 84-mΩ MOSFETs for
   3-A Continuous Output Current
• Internal 2-ms Soft-Start,
   50-kHz to 1.5-MHz Adjustable Frequency
• Low 2-µA Shutdown, Quiescent Current
• 0.8-V Voltage Reference with ±0.8% Accuracy
• Current Mode Control
• Monotonic Startup into Pre-Biased Outputs
• Pulse Skipping for Light-Load Efficiency
• Hiccup Mode Overcurrent Protection
• Thermal Shutdown (TSD) and
   Overvoltage Transition Protection
• 10-Pin VSON Package

Applications
• Consumer Applications such as a Digital TV
   (DTV), Set Top Box (STB, DVD/Blu-ray Player),
   LCD Display, CPE (Cable Modem, WiFi Router),
   DLP Projectors, Smart Meters
• Battery Chargers
• Industrial and Car Audio Power Supplies
• 5-V, 12-V, and 24-V Distributed Power Bus Supply


other parts : TPS54335-2A  TPS54335-2ADRCR  
TPS54335-2ADRCT PDF
TI
Texas Instruments
TPS54335-2ADRCR 4.5-V to 28-V Input, 3-A Output, Synchronous Step-Down DC-DC Converter

Description
The TPS54335-2A synchronous converter with an input-voltage range of 4.5 V to 28 V. This device has an integrated low-side switching FET that eliminates the need for an external diode which reduces component count.
Efficiency is maximized through the integrated 128-mΩ and 84-mΩ MOSFETs, low IQ and pulse skipping at light loads. Using the enable pin, the shutdown supply current is reduced to 2 μA. This step-down (buck) converter provides accurate regulation for a variety of loads with a well-regulated voltage reference that is 1.5% over temperature.
Cycle-by-cycle current limiting on the high-side MOSFET protects the TPS54335-2A in overload situations and is enhanced by a low-side sourcing current limit which prevents current runaway. A low side sinking current-limit turns off the low-side MOSFET to prevent excessive reverse current. Hiccup protection is triggered if the overcurrent condition continues for longer than the preset time. Thermal shutdown disables the device when the die temperature exceeds the threshold and enables the device again after the built-in thermal hiccup time.

Features
• Synchronous 128-mΩ and 84-mΩ MOSFETs for
   3-A Continuous Output Current
• Internal 2-ms Soft-Start,
   50-kHz to 1.5-MHz Adjustable Frequency
• Low 2-µA Shutdown, Quiescent Current
• 0.8-V Voltage Reference with ±0.8% Accuracy
• Current Mode Control
• Monotonic Startup into Pre-Biased Outputs
• Pulse Skipping for Light-Load Efficiency
• Hiccup Mode Overcurrent Protection
• Thermal Shutdown (TSD) and
   Overvoltage Transition Protection
• 10-Pin VSON Package

Applications
• Consumer Applications such as a Digital TV
   (DTV), Set Top Box (STB, DVD/Blu-ray Player),
   LCD Display, CPE (Cable Modem, WiFi Router),
   DLP Projectors, Smart Meters
• Battery Chargers
• Industrial and Car Audio Power Supplies
• 5-V, 12-V, and 24-V Distributed Power Bus Supply


other parts : TPS54335-2A  TPS54335-2ADRCT  
TPS54335-2ADRCR PDF

1

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