Datasheets
TPS54327DDA by: Texas Instruments

4.5V to 18V Input, 3-A Synchronous Step-Down Converter 8-SO PowerPAD -40 to 85

Part Details for TPS54327DDA by Texas Instruments

Results Overview of TPS54327DDA by Texas Instruments

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TPS54327DDA Information

TPS54327DDA by Texas Instruments is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Price & Stock for TPS54327DDA

Part # Distributor Description Stock Price Buy
DISTI # TPS54327DDA
TME PMIC, DC/DC converter, Uin: 4.5÷18VDC, Uout: 0.76÷7VDC, 3A, SO8-EP Min Qty: 1 275
  • 1 $1.4400
  • 5 $1.3300
  • 25 $1.0900
  • 75 $0.9000
$0.9000 / $1.4400 Buy Now
Ameya Holding Limited IC: PMIC, DC/DC converter, Uin: 4.5÷18VDC, Uout: 0.76÷7VDC, 3A 98732
RFQ
DISTI # C1S746201781271
Chip One Stop Conv DC-DC 4.5V to 18V Synchronous Step Down Single-Out 0.76V to 7V 3A 8-Pin HSOP EP Tube RoHS: Compliant Container: Tube 192
  • 1 $0.4710
$0.4710 Buy Now

Part Details for TPS54327DDA

TPS54327DDA CAD Models

TPS54327DDA Part Data Attributes

TPS54327DDA Texas Instruments
Buy Now Datasheet
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TPS54327DDA Texas Instruments 4.5V to 18V Input, 3-A Synchronous Step-Down Converter 8-SO PowerPAD -40 to 85
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description GREEN, PLASTIC, MS-012BA, SOP-8
Pin Count 8
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Additional Feature ALSO OPERATES IN ADJUSTABLE MODE FROM 0.76 TO 7V
Analog IC - Other Type SWITCHING REGULATOR
Control Mode VOLTAGE-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 18 V
Input Voltage-Min 4.5 V
Input Voltage-Nom 6 V
JESD-30 Code R-PDSO-G8
JESD-609 Code e4
Length 4.9 mm
Moisture Sensitivity Level 2
Number of Functions 1
Number of Outputs 1
Number of Terminals 8
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Output Current-Max 3 A
Output Voltage-Max 7 V
Output Voltage-Min 0.76 V
Output Voltage-Nom 5.5 V
Package Body Material PLASTIC/EPOXY
Package Code HLSOP
Package Equivalence Code SOP8,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1.7 mm
Supply Current-Max (Isup) 1.2 mA
Surface Mount YES
Switcher Configuration BUCK
Switching Frequency-Max 700 kHz
Temperature Grade INDUSTRIAL
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 3.9 mm

TPS54327DDA Related Parts

TPS54327DDA Frequently Asked Questions (FAQ)

  • The maximum input voltage that can be applied to the TPS54327DDA is 42V, but it's recommended to keep it below 40V for reliable operation.

  • The inductor value depends on the output voltage, output current, and switching frequency. A good starting point is to use the inductor selection guide in the datasheet or use TI's WEBENCH Power Designer tool to get a recommended inductor value.

  • The EN (enable) pin is used to turn the converter on and off. It's an active-high input, so connect it to VIN or a logic high signal to enable the converter, and connect it to GND or a logic low signal to disable it.

  • The TPS54327DDA has a built-in compensation network, but you may need to add external compensation components depending on your specific design. Refer to the datasheet's compensation section and use TI's Power Stage Designer tool to get a recommended compensation network.

  • The maximum output current that the TPS54327DDA can deliver is 3A, but it's recommended to derate the output current based on the ambient temperature and the input voltage to ensure reliable operation.

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