TPS54332DDA Part Information

Details for TPS54332DDA by Texas Instruments

Electronic & Electrical Components>Semiconductors - ICs>Power Management

Part Description

The TPS54332 is a 28-V, 3.5-A non-synchronous buck converter that integrates a low-RDS(on) high-side MOSFET. To increase efficiency at light loads, a pulse-skipping Eco-Mode feature is automatically activated. Furthermore, the 1-μA shutdown supply current allows the device to be used in batterypowered applications. Current mode control with internal slope compensation simplifies the external compensation calculations and reduces component count while allowing the use of ceramic output capacitors. A resistor divider programs the hysteresis of the input undervoltage lockout. An overvoltage transient protection circuit limits voltage overshoots during start-up and transient conditions. A cycle-bycycle current limit scheme, frequency foldback and thermal shutdown protect the device and the load in the event of an overload condition. The TPS54332 is available in an 8-pin SOIC PowerPAD™ package.

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Part Features

  • 3.5-V to 28-V Input Voltage Range
  • Adjustable Output Voltage Down to 0.8 V
  • Adjustable Slow-Start Limits Inrush Currents
  • Available in Thermally Enhanced 8-Pin SOIC PowerPADu2122 Package
  • Cycle-by-Cycle Current Limit, Frequency Foldback and Thermal Shutdown Protection
  • Fixed 1-MHz Switching Frequency
  • High Efficiency at Light Loads With a Pulse- Skipping Eco-Modeu2122
  • Integrated 80-mu2126 High-Side MOSFET Supports up to 3.5-A Continuous Output Current
  • Overvoltage Transient Protection
  • Programmable UVLO Threshold
  • Supported by WEBENCHu2122 Tool
  • Typical 1-u03bcA Shutdown Quiescent Current

Part Specifications

Topology Buck (Step Down)
Input Voltage Min 3.5V
Input Voltage Max 28V
No. of Outputs 1Outputs
DC / DC Converter IC Case SO PowerPAD
No. of Pins 8Pins
Output Current 3.5A
Output Voltage Min 800mV
Output Voltage Max 25V
Switching Frequency 1MHz
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)
Adjustable Output Voltage Min 0.8V
Base Number 54332
Frequency 1MHz
Operating Temperature Min -40°C
Operating Temperature Range -40°C to +150°C
Output Current Max 3A
Output Voltage 25V
Primary Input Voltage 28V
Supply Voltage Min 3.5V
Termination Type Surface Mount Device
Voltage Regulator Type Step Down (Buck)
RoHS Compliant

Alternative Part Descriptions

  • 3A, 28V Input, Step Down SWIFT Converter | RS Components
  • STEP-DOWN DC/DC CONVERTER, 8-SOIC; Topology:Buck (Step Down); Input Voltage Min:3.5V; Input Voltage Max:28V; No. of Outputs:1Outputs; DC / DC Converter IC Case:SOIC; No. of Pins:8Pins; Output Current:3.5A; Output Voltage Min:800mV RoHS Compliant: Yes | Newark Electronics
  • Conv DC-DC Single Step Down 3.5V to 28V 8-Pin HSOP EP Tube | Avnet America
  • 3.5V to 28V Input, 3.5A, 1MHz Step-Down Converter with Eco-mode | Texas Instruments
  • DC/DC Converter [Texas Instruments] TPS54332DDA DC/DC Converter | Distrelec

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