Diodes Incorporated
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AZ317 (Obsolete)

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The AZ317 is an adjustable three-terminal positive voltage regulator with a very low dropout of 1.2V at 1A output current. Using 2 external resistors, the AZ317 can provide an adjustable output voltage down to 1.25V. The AZ317 includes a circuit of trimmed bandgap reference to assure output voltage accuracy to be within 1%. It also provides current limiting and thermal shutdown. The current limit is trimmed to ensure specified output current and control°C short-circuit current. The On-chip thermal limiting provides protection against any combination of overload and ambient temperature that would create excessive junction temperature. The AZ317 is available in the standard SOT-223, TO- 220-3, TO-252-2 (1), TO-252-2 (3) and TO-263-3 power packages.


  • PC Motherboard
  • LCD Monitor
  • Graphic Card
  • DVD Player
  • Network Interface Card/Switch
  • Telecom Equipment
  • Printer and other Peripheral Equipment

Product Specifications

Product Parameters

Compliance (Only Automotive supports PPAP) -
Dropout Voltage Typical (V) 1.2
Operating Ambient Temperature Range (Junction Temperature) (°C) 0 to 125
Operating Input Voltage (V) 15
Output Current (mA) 1
Output Voltage (V) ADJ(1.25)
PSRR Typ @ 120hz (dB) 75
AEC Qualified -
Quiescent Current Typ (mA) 10

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