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SA21345SFCP

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36V, 300mA LDO Regulator
Datasheet
SA21345SFCP 36V, 300mA LDO Regulator Datasheet
Part number SA21345SFCP
Vin (max) (V) 36
Vin (min) (V) 4
Iout (max) (A) 0.3
Output type Adjustable
Vout (max) (V) 36
Vout (min) (V) 0.6
Iq (typ) (uA) 7
PSRR at 100kHz (dB) 35
Accuracy (±%) 2
Features Enable, Fixed soft-start,Auto-discharge,Low Iq,Over current protection,Thermal shutdown
Operating temperature range(°C) -40 to 125
Package SOP8E
Functional safety category Functional safety capable
  • Wide Input Voltage Range: 4V to 36V
  • 300mA Maximum Load Current
  • Low Dropout Voltage (300mV@300mA)
  • Low Quiescent Current (7 µA typ.)
  • Low Shutdown Current (5µA max.)
  • Stable with Tantalum or Ceramic Capacitors
  • Excellent Load and Line Regulation
  • Enable Control Input
  • Over Current Protection
  • Thermal Shutdown
  • Compact SOP8E Package 
  • Automotive AEC-Q100 Grade 1 Qualified
  • Moisture Sensitivity Level (MSL): 1

The SA21345S is an automotive grade, low-dropout voltage regulator for high input voltage and ultra-low quiescent current applications.

The SA21345S provides resistor adjustable output voltage with ±2% reference accuracy over temperature and low drop out (300mV at 300mA). It offers protection features including over-current protection, thermal shutdown, and stable operation with low ESR ceramic or tantalum capacitors due to the optimized internal compensation.

The SA21345S is available in a compact SOP8E package.

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Technical & Design Documentation