Varnitronics
MST5450BTE MST
MST

MST5450BTE

5V Positive Fixed SOT-23 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

SOT-23RoHSActive

45V/300mA/2.1μA IQ/Fast Transient Low Dropout (LDO) Linear Voltage Regulator

Manufacturer
MST
Manufacturer part #
MST5450BTE
Store part #
C2761429
Package / case
SOT-23
Packaging
Tape & Reel (TR)
Datasheet (PDF)

Every Order Guarantee

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

2,150 in stock

#C2761429

Stock & price checked 5 days ago

QuantityUnit pricePack price
5+₹12.85₹64.25
50+₹10.24₹512.00
150+₹8.94₹1,341.00
500+₹7.96₹3,980.00
3,000+₹6.76₹20,280.00
6,000+₹6.38₹38,280.00

5 × ₹12.85

₹64.25

excl. GST

₹75.82 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: 3,000 per reel

MST5450BTE

₹64.25 for 5 + GST

Specifications

Output Voltage
5V
Number of Outputs
1
Operating Temperature
-40℃~+85℃@(Ta)
Supply Current (Iq)
2.8uA
Output Configuration
Positive
Output Current
300mA
Operating Voltage
45V
Features
Enable control;Input under-voltage protection;Over Current Protection;Short Circuit Protection;Thermal shutdown
Output Type
Fixed

Packaging & compliance

RoHS
RoHS
Lifecycle
Active
Packaging
Tape & Reel (TR)
Standard pack
3,000 / Reel
Sold per
Piece
Minimum order
5 (multiples of 5)
Unit weight
0.044 g

Overview

The MST54XXB series is a high-voltage, low-power LDO linear regulator featuring an input voltage up to 45V, 2.8uA quiescent current, high PSRR, and a maximum output current of 350mA. The MST54XXB provides fast response to input voltage transients and load current transients, while ensuring no overshoot voltage during startup and short-circuit recovery. The MST54XXB series incorporates short-circuit protection, current limiting protection, and over-temperature protection, with shutdown mode activated by pulling the EN pin low. The series offers four fixed output voltages: 1.8V, 3.0V, 3.3V, and 5.0V. The MST54XXB series are 350mA wide input voltage range linear regulators with ultra-low quiescent current. These regulators operate from 3V to 45V, support 45V transient input voltage, and consume only 2.8uA quiescent current at no load. In addition, the series provides enable control, with additional protection features including VIN undervoltage lockout, overcurrent protection, output short-circuit protection, and over-temperature protection.

Applications

  • Battery-powered devices
  • Smoke detectors and sensors
  • Microcontroller applications
  • Home appliances

Key features

  • Low quiescent current: 2.8uA
  • Shutdown current: 130nA
  • Wide input voltage range: 3V ~ 45V
  • High output current: 350mA
  • PSRR: 83dB/1kHz
  • Low dropout voltage: 320mV@100mA
  • Fixed output voltages: 1.8V, 3.0V, 3.3V, and 5.0V
  • Output voltage accuracy: ±2%
  • Fast transient response
  • Integrated current limiting protection
  • Integrated short-circuit protection
  • Integrated over-temperature protection
  • Available packages: SOT23-3, SOT89-3, SOT23-5, SOT223-3, and TO252-3

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