TPS54336ADDA Part Information

Details for TPS54336ADDA by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

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Part Description

The TPS5433xA family of devices are synchronous converters with an input-voltage range of 4.5 V to 28 V. These devices include 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 128mΩ 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 TPS5433xA family of devices 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.

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Part Features

  • 0.8-V Voltage Reference with u00b10.8% Accuracy
  • 8-Pin SO PowerPADu2122 and 10-Pin VSON Package
  • Create a Custom Design Using the TPS54335A
  • Current Mode Control
  • Hiccup Mode Overcurrent Protection
  • Low 2-u00b5A Shutdown, Quiescent Current
  • Monotonic Startup into Pre-Biased Outputs
  • Pulse Skipping for Light-Load Efficiency
  • Synchronous 128-mu03a9 and 84-mu03a9 MOSFETs for 3-A Continuous Output Current
  • TPS54335A: Internal 2-ms Soft-Start, 50-kHz to 1.5-MHz Adjustable Frequency
  • TPS54336A: Adjustable Soft-Start, Fixed 340-kHz Frequency
  • Thermal Shutdown (TSD) and Overvoltage Transition Protection

Part Specifications

Topology Synchronous Buck (Step Down)
Input Voltage Min 4.5V
Input Voltage Max 28V
No. of Outputs 1Outputs
DC / DC Converter IC Case SO PowerPAD
No. of Pins 8Pins
Output Current 3A
Output Voltage Min 800mV
Output Voltage Max 25V
Switching Frequency 340kHz
Operating Temperature Max 150°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)
Operating Temperature Min -40°C
Primary Input Voltage 28V
RoHS Compliant

Alternative Part Descriptions

  • IC, BUCK, 340KHZ, 4.5V TO 28V, 3A,SOIC-8; Topology:Synchronous Buck (Step Down); Input Voltage Min:4.5V; Input Voltage Max:28V; No. of Outputs:1Outputs; DC / DC Converter IC Case:SO PowerPAD; No. of Pins:8Pins; Output Current:3A; RoHS Compliant: Yes | Newark Electronics
  • 4.5V to 28V Input, 3A, Synchronous Step-Down Converter with Eco-mode(tm) | Texas Instruments

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