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BA178M18T

BA178M18T

BA178M18T

ROHM Semiconductor

Fixed 2.54mm BA178M PMIC 3 TO-220-3 Full Pack

SOT-23

BA178M18T Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 10 Weeks
Mount Through Hole
Mounting Type Through Hole
Package / Case TO-220-3 Full Pack
Number of Pins 3
Operating Temperature-40°C~85°C
PackagingBulk
Published 2005
Pbfree Code yes
Part StatusNot For New Designs
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 3
ECCN Code EAR99
Terminal Finish TIN/TIN COPPER
Max Power Dissipation22W
Terminal Position SINGLE
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Terminal Pitch2.54mm
Time@Peak Reflow Temperature-Max (s) 10
Base Part Number BA178M
Pin Count3
Current - Supply (Max) 6mA
Number of Outputs 1
Qualification StatusNot Qualified
Voltage - Input (Max) 33V
Output Voltage 18V
Output Type Fixed
Max Output Current500mA
Output Configuration Positive
Output Voltage 1 18V
Number of Regulators1
Min Input Voltage 21V
Current - Quiescent (Iq) 4.5mA
Voltage Dropout (Max) 2V @ 500mA Typ
PSRR 58dB (120Hz)
Dropout Voltage2V
Dropout Voltage1-Nom 2V
Power Supply Rejection Ratio (PSRR) 58dB
Voltage Tolerance-Max 5%
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:4227 items

Pricing & Ordering

QuantityUnit PriceExt. Price
500$0.92512$462.56

BA178M18T Product Details

BA178M18T Overview


Bulk cases are used for delivery. The Liner regulator IC is packaged in TO-220-3 Full Pack case. On the Linear IC itself, there are 3 terminations. Fixed is the output type of the Voltage Regulator IC. As part of this electrical component, 1 regulators are implemented. Variations are made to the Through Hole operating temperature range by the Voltage Regulator IC. Default settings are set to -40°C~85°C degrees. There is a Positive configured as the output function for this IC regulator. There are a total of 3 pins on this board. There are 1 outputs total on this voltage regulator IC in order to ensure that prompt and sufficient performance is achieved. There is a dropout voltage of 10 volts on this IC regulator. Chips have 3 pins. For your information, the basic part number for this regulator IC is BA178M. In order to meet the operation requirements, its maximal output current reaches 500mA.

BA178M18T Features


2V dropout voltage


BA178M18T Applications


There are a lot of ROHM Semiconductor
BA178M18T Linear Voltage Regulators applications.


  • Battery-powered device
  • Communication device
  • Personal communication device
  • Portable telephone
  • Electronic notebook
  • Camera
  • Video equipment
  • CPU power supply
  • Switching regulator
  • Multiple-power supply system

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