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BU28SA4WGWL-E2

BU28SA4WGWL-E2

BU28SA4WGWL-E2

ROHM Semiconductor

Enable Fixed PMIC 4-UFBGA, CSPBGA

SOT-23

BU28SA4WGWL-E2 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 10 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 4-UFBGA, CSPBGA
Number of Pins 4
Weight 68.407399mg
Operating Temperature-40°C~85°C
PackagingTape & Reel (TR)
Published 2013
Part StatusNot For New Designs
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 4
ECCN Code EAR99
Packing Method TAPE AND REEL
Max Power Dissipation410mW
Terminal Position BOTTOM
Terminal FormBALL
Peak Reflow Temperature (Cel) NOT SPECIFIED
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Number of Outputs 1
Qualification StatusNot Qualified
Voltage - Input (Max) 5.5V
Output Voltage 2.8V
Output Type Fixed
Max Output Current200mA
Output Configuration Positive
Control Features Enable
Output Voltage 1 2.8V
Number of Regulators1
Min Input Voltage 1.7V
Protection Features Over Current, Over Temperature
Current - Quiescent (Iq) 80μA
Voltage Dropout (Max) 0.15V @ 100mA
PSRR 70dB ~ 45dB (1kHz ~ 100kHz)
Dropout Voltage80mV
Dropout Voltage1-Nom 0.08V
Voltage Tolerance-Max 2%
Min Current Limit 250mA
Input Voltage Absolute-Max 6.5V
RoHS StatusROHS3 Compliant
In-Stock:15406 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$0.733800$0.7338
10$0.692264$6.92264
100$0.653079$65.3079
500$0.616113$308.0565
1000$0.581238$581.238

BU28SA4WGWL-E2 Product Details

BU28SA4WGWL-E2 Overview


Deliveries are in Tape & Reel (TR) cases. The package is in a 4-UFBGA, CSPBGA case. Basically, the voltage regulator chip is made up of 4 terminations. In this case, Fixed represents the output type of the Voltage Regulated IC. This part implements 1 regulator ICs, which can be found in the following table. Regulator IC varies the range of Surface Mount operating temperatures. The Voltage Regulated IC operates at a temperature of -40°C~85°C degrees, which is its operating temperature. It is configured for output function Positive on this regulator. This IC regulator has a total of 1 outputs, which ensures a rapid, adequate performance when in use. There is a voltage dropout of 10 volts for this IC regulator. Several pins on the chip are 4-shaped. Packing the voltage regulator IC in this way is called TAPE AND REEL packing. The maximal output current reaches 200mA to meet the operating requirements.

BU28SA4WGWL-E2 Features


80mV dropout voltage
TAPE AND REEL method of packing


BU28SA4WGWL-E2 Applications


There are a lot of ROHM Semiconductor
BU28SA4WGWL-E2 Linear Voltage Regulators applications.


  • Electronic notebook
  • Camera
  • Video equipment
  • CPU power supply
  • Switching regulator
  • Multiple-power supply system
  • Digital audio player
  • Digital TV
  • Smartcard
  • Industrial equipment

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