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

4.1 DBV-6 Package

Figure 4-1 shows the REF34-Q1 pin diagram for the DBV-6 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-AEA6C3C2-13A1-4486-A6FA-DA366E5EFDC2-low.png Figure 4-1 Pin Diagram (DBV-6) Package
Table 4-2 Pin FMA for Device Pins Short-Circuited to Ground
Pin NamePin No.Description of Potential Failure Effect(s)Failure Effect Class
GND_F1No effectD
GND_S2No effectD
ENABLE3Disables device, no output voltage, high leakageB
IN4No output voltage, high leakageB
OUT_S5No output voltageB
OUT_F6No output voltageB
Table 4-3 Pin FMA for Device Pins Open-Circuited
Pin NamePin No.Description of Potential Failure Effect(s)Failure Effect Class
GND_F1No output voltageB
GND_S2No output voltageB
ENABLE3Disables device, no output voltageB
IN4Output is not regulatedC
OUT_S5Output is not regulatedC
OUT_F6Output is not regulatedC
Table 4-4 Pin FMA for Device Pins Short-Circuited to Adjacent Pin
Pin NamePin No.Shorted toDescription of Potential Failure Effect(s)Failure Effect Class
GND_F1GND_SNo effectD
GND_S2ENABLEDisables device, no output voltage, high leakageB
ENABLE3INNo effectD
IN4OUT_SOutput is not regulated, high leakageB
OUT_S5OUT_FNo effectD
OUT_F6GND_FNo output voltageB
Table 4-5 Pin FMA for Device Pins Short-Circuited to Supply
Pin NamePin No.Description of Potential Failure Effect(s)Failure Effect Class
GND_F1No outpout voltage, high leakageB
GND_S2No output voltage, high leakageB
ENABLE3No effectD
IN4No effectD
OUT_S5Output is not regulated, high leakageB
OUT_F6Output is not regulated, high leakageB