Varnitronics
WL28631D28-4/TR WILLSEMI
WILLSEMI

WL28631D28-4/TR

2.8V Positive Fixed DFN-4L(1x1) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

DFN-4L(1x1)RoHSActive
Manufacturer
WILLSEMI
Manufacturer part #
WL28631D28-4/TR
Store part #
C52993369
Package / case
DFN-4L(1x1)
Packaging
Tape & Reel (TR)
Datasheet (PDF)

Every Order Guarantee

100% Authentic · 30-Day Return or Replacement · policy

7,315 in stock

#C52993369

Stock & price checked 6 days ago

QuantityUnit pricePack price
5+₹12.82₹64.10
50+₹10.29₹514.50
150+₹9.02₹1,353.00
500+₹8.07₹4,035.00
2,500+₹7.32₹18,300.00
5,000+₹6.94₹34,700.00

5 × ₹12.82

₹64.10

excl. GST

₹75.64 incl. 18% GST

Need volume or a scheduled delivery? Request a quote
  • Dispatch in 7–10 working days
  • GST invoice with every order
  • Standard pack: 10,000 per reel

WL28631D28-4/TR

₹64.10 for 5 + GST

Specifications

Output Voltage
2.8V
Number of Outputs
1
Operating Temperature
-40℃~+85℃
Supply Current (Iq)
21uA
Output Configuration
Positive
Operating Voltage
5.5V
Output Current
400mA
Features
Enable control;Input under-voltage protection;Output discharge;Short Circuit Protection;Over Current Protection;Thermal shutdown
Output Type
Fixed

Packaging & compliance

RoHS
RoHS
Lifecycle
Active
Packaging
Tape & Reel (TR)
Standard pack
10,000 / Reel
Sold per
Piece
Minimum order
5 (multiples of 5)
Unit weight
0.011 g

Overview

The WL28631D is a linear regulator capable of delivering 400mA output current. Designed to meet the demands of RF and analog circuits, it features low noise, high PSRR, low quiescent current, and excellent load and line transient response. The device operates with 1μF input and 1μF output ceramic capacitors, requiring no additional noise bypass capacitor. The WL28631D regulator is available in a standard DFN1x1-4L package and is offered in a lead-free, halogen-free version as standard.

Applications

  • Mobile phones
  • Cordless phones
  • Digital cameras
  • Bluetooth devices
  • Wireless handheld devices
  • Hi-Fi products
  • Other portable electronic devices

Key features

  • Input voltage range: 2.2V~5.5V
  • Output voltage range: 1.8V~3.3V
  • Output current: 400mA
  • Power supply rejection ratio: typical 100dB (at 10mA, f=1KHz); typical 45dB (at 10mA, f=1MHz)
  • Low dropout: typical 180mV (at 400mA)
  • Quiescent current: typical 21μA
  • Low output voltage noise: typical 4.8μVRMS
  • Output voltage accuracy: ±2% (-40℃<TA<85℃)
  • Undervoltage lockout threshold: maximum 1.7V (falling edge)
  • Recommended capacitor: 1uF
  • Stable with 1μF ceramic input and output capacitors
  • No noise bypass capacitor required
  • Thermal overload protection

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