SA21346A50FCP (SA21346A50FCP )

• Wide Input Range: 4V to 36V 
• Fixed 5V Output Voltage
• ±1.5% Voltage Reference Over Temperature Range (TA= -40°C to 125°C)
• 300mA Maximum Load Current
• Low Drop-out Voltage: 300mV at 300mA
• Ultra Low Quiescent Current: 

              10 μA (Typ.) with enabled watchdog

               8 μA (Typ.) with disabled watchdog

• Extremely Low Shutdown Current
• Stability with Tantalum or Ceramic Capacitors
• Excellent Load and Line Regulation
• Programmable Reset Output and Watchdog Timeout Delay 
• Integrated watchdog monitor circuit 

              Window Type Watchdog with 3:1 ratio of Open Window : Close Window 

              WD_EN input pin to enable/disable Watchdog

• Protection:

              Over current limit 

              Output short circuit protection

              Over temperature protection

• RoHS Compliant and Halogen Free
• Compact SOP8E Package 
• Automotive AEC-Q100 Grade 1
• Moisture Sensitivity Level (MSL): 1

The SA21346A50 is an automotive grade, 300mA high-current capacity linear regulator with ultralow ground current and low drop-out voltage. The SA21346A50 provides 5V fixed output voltage version with ±1.5% accuracy over temperature.

The integrated watchdog function adds additional security redundancy to the system. The device with fully protection includes over current limit, output short protection and over temperature operation.

The SA21346A50 is available in a compact SOP8E package.