TPS54331D

Electronic & Electrical Components

> Semiconductors - ICs

> Power Management

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Details for Texas Instruments

TPS54331D

3.5V to 28V Input, 3A, 570kHz Step-Down Converter with Eco-mode
Buy Directly from Texas Instruments (7078 in Stock)
$0.7200 per unit
Series Information for TPS54331D - Texas Instruments

Features

  • feature
    3.5 to 28-V Input Voltage Range
  • feature
    Adjustable Output Voltage Down to 0.8 V
  • feature
    Adjustable Slow-Start Limits Inrush Currents
  • feature
    Available in Easy-to-Use SOIC8 Package or Thermally Enhanced SOIC8 PowerPADu2122 Package
  • feature
    Cycle-by-Cycle Current Limit, Frequency Fold Back, and Thermal Shutdown Protection
  • feature
    Fixed 570 kHz Switching Frequency
  • feature
    High Efficiency at Light Loads With a Pulse Skipping Eco-modeu2122
  • feature
    Integrated 80-mu2126 High-Side MOSFET Supports up to 3-A Continuous Output Current
  • feature
    Overvoltage Transient Protection
  • feature
    Programmable UVLO Threshold
  • feature
    Supported by WEBENCHu00ae
  • feature
    Typical 1-u03bcA Shutdown Quiescent Current

Description

BUCK 3.5-28V 3A 570KHZ 8SOIC
The TPS54331 device is a 28-V, 3-A nonsynchronous 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 battery-powered 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 startup and transient conditions. A cycle-by-cycle current-limit scheme, frequency foldback and thermal shutdown protect the device and the load in the event of an overload condition. The TPS54331 device is available in an 8-pin SOIC package and 8-pin SO PowerPAD package that have been internally optimized to improve thermal performance.

Specifications

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:
3A
Output Voltage Min:
800mV
Output Voltage Max:
25V
Switching Frequency:
570kHz
Operating Temperature Max:
150°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Accuracy %:
2%
Adjustable Output Voltage Min:
0.8V
Base Number:
54331
Frequency:
570kHz
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +150°C
Output Voltage:
25V
Primary Input Voltage:
28V
Supply Voltage Min:
3.5V
Switch Output Current Isw Max:
3.5A
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Buck

Alternate Descriptions

Avnet America

Conv DC-DC Single Step Down 3.5V to 28V 8-Pin SOIC Tube

Avnet Europe

Conv DC-DC Single Step Down 3.5V to 28V 8-Pin SOIC Tube

Texas Instruments

3.5V to 28V Input, 3A, 570kHz Step-Down Converter with Eco-mode

Texas Instruments product