MAQ5281

The MAQ5281 high performance linear regulator offers a very wide input operating voltage range, up to 120V DC, and supplies an output current of up to 25mA.

Ideal for high input voltage applications such as industrial and telecom, the MAQ5281 offers ¯3% initial accuracy, extremely high power supply rejection ratio (>90db) and ultra-low quiescent current of 6µA. The MAQ5281 is optimized for high-voltage line transients, making it ideal for harsh environment applications.

The MAQ5281 is offered in both fixed output voltage (3.3V/5.0V) and adjustable output voltage (1.27V to 5.5V) options.

The MAQ5281 operates over a -40°C to +125°C temperature range and is available in lead-free, RoHS-compliant, 8-pin ePad MSOP package.

Features
  • Wide input voltage range: 6V to 120V DC
  • Ultra-low quiescent current: 6µA
  • 25mA guaranteed output current
  • Adjustable output from 1.27V to 5.5V
  • Withstands up to +120V DC at the input
  • Stable with ceramic output capacitors
  • Ultra-high PSRR <90dB
  • Ultra-high line rejection (load dump)
  • High output accuracy: ±3% initial accuracy
  • ±3% initial accuracy
  • Thermal shutdown and current limit protection
  • Thermally efficient 8-pin ePad MSOP package
Parameter
Parameter Name Value Value
Product Type Single LDOs Single LDOs
# of Out 1 1
IOUT #1
IOUT #2
IOUT #3
IOUT #4
IOUT (mA) 25 25
VIN Min (V) 6 6
VIN Max (V) 120 120
VOUT (V) 3.3, 5.0, Adj 3.3, 5.0, Adj
Voltage Drop Typ (mV) 2000 2000
IGND Typ (µA) 6 6
Tol Typ % ±3 ±3
PSRR 1 kHz (dB) 90 90
Soft Start Pin
Load Dump Yes Yes
Rev Bat
Reverse Current Protect
Documents
MAQ5281 - 120VIN, 25mA, Ultra-Low IQ, High-PSRR Linear RegulatorData Sheets11/05/2015841KB
MAQ5281 - 120VIN, 25mA, Ultra-Low IQ, High-PSRR Linear Regulator MAQ5281
MAQ5281 - 120VIN, 25mA, Ultra-Low IQ, High-PSRR Linear Regulator MAQ5281
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