SNVA912A January   2020  – April 2021 REF34-Q1

 

  1.   Trademarks
  2. 1Overview
  3. 2Functional Safety Failure In Time (FIT) Rates
    1. 2.1 DBV-6 Package
    2. 2.2 DBV-5 Package
    3. 2.3 DGK-8 Package
  4. 3Failure Mode Distribution (FMD)
  5. 4Pin Failure Mode Analysis (Pin FMA)
    1. 4.1 DBV-6 Package
    2. 4.2 DBV-5 Package
    3. 4.3 DGK-8 Package

4.2 DBV-5 Package

Figure 4-2 shows the REF34-Q1 pin diagram for the DBV-5 package. For a detailed description of the device pins please refer to the Pin Configuration and Functions section in the REF34-Q1 data sheet.

GUID-5129445D-943A-423A-82CA-31B269B1EA53-low.png Figure 4-2 Pin Diagram (DBV-5 Package)
Table 4-6 Pin FMA for Device Pins Short-Circuited to Ground
Pin NamePin No.Description of Potential Failure Effect(s)Failure Effect Class
NC 1 No effect D
GND 2 No effect D
IN 3 No output voltage, high leakage B
OUT 4 No output voltage B
NC 5 No effect D
Table 4-7 Pin FMA for Device Pins Open-Circuited
Pin NamePin No.Description of Potential Failure Effect(s)Failure Effect Class
NC 1 No effect D
GND 2 No output voltage D
IN 3 Output is not regulated C
OUT 4 Output is not regulated C
NC 5 No effect D
Table 4-8 Pin FMA for Device Pins Short-Circuited to Adjacent Pin
Pin NamePin No.Shorted toDescription of Potential Failure Effect(s)Failure Effect Class
NC 1 GND No effect D
GND 2 IN Disables device, no output, high leakage B
IN 3 OUT Output not regulated, high leakage B
OUT 4 NC No effect D
NC 5 NC No effect D
Table 4-9 Pin FMA for Device Pins Short-Circuited to Supply
Pin NamePin No.Description of Potential Failure Effect(s)Failure Effect Class
NC 1 No effect D
GND 2 No output voltage, high leakage B
IN 3 No effect D
OUT 4 Output is not regulated C
NC 5 No effect D