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SA21308B00DED

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Low IQ, Low Dropout, Automotive 500mA LDO
Datasheet
SA21308B00DED Low IQ, Low Dropout, Automotive 500mA LDO Datasheet
Part number SA21308B00DED
Vin (max) (V) 6
Vin (min) (V) 2
Iout (max) (A) 0.5
Output type Adjustable
Vout (max) (V) 5
Vout (min) (V) 0.55
Iq (typ) (uA) 25
PSRR at 100kHz (dB) 35
Accuracy (±%) 1
Features Precise output,Enable,Fixed soft-start,Power good,Auto-discharge,Low Iq,Over current protection,Output short to ground protection,Foldback Current Limit, Thermal shutdown,Wettable flanks package
Operating temperature range(°C) -40 to 125
Package DFN2×2-6
Functional safety category
  • Input Voltage Range: 2V to 6V 
  • Adjustable Output Voltage: 0.55V to 5.5V
  • Low Dropout Voltage: 110mV (Typ.) at 500mA (3.3V VOUT)
  • Power Supply Rejection Ratio (PSRR): 55dB @ 1kHz
  • Output Accuracy: 

            o ±0.85% at 25°C

            o ±1% from -40°C to 125°C

  • Stable with a Minimum of 2.2μF or Larger Ceramic Output Capacitor
  • Low Current Consumption: Typical 25μA Quiescent and 0.1μA in Shutdown
  • Over Current Limit and Short CircuitProtection
  • Over Temperature Protection with Auto Recovery
  • Moisture Sensitivity Level (MSL): 1
  • Compact DFN2×2-6 Package 
  • Automotive AEC-Q100 Grade 1 Qualified

The SA21308B is a 500mA current linear regulator featuring ultra-low ground current and low dropout voltage.

The device offers an adjustable output voltage with ±1% reference accuracy over temperature. It also includes comprehensive protection features including over current limiting, short circuit protection, and over-temperature operation.

The SA21308B is available in a compact DFN2×2-6 package. 

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Technical & Design Documentation