Datasheet

DS_1x66B_001 73M1866B/73M1966B Data Sheet
Rev. 1.6 27
3.12 Detectors
This section provides electrical characteristics for the following detectors:
• Over-Voltage.
• Over-Current.
• Under-Voltage.
• Over-Load.
3.12.1 Over-Voltage Detector
The values in Table 23 were measured between RGP and RGN.
Table 23: Over-voltage Detector
Parameter Test Condition Min Nom Max Unit
Over voltage levels OVDTH=0 0.52 0.6 0.68 V
OVDTH=1 0.59 0.7 0.77 V
3.12.2 Over-Current Detector
The values in Table 24 were measured in Barrier Powered Mode.
Table 24: Over-current Detector
Parameter Test Condition Min Nom Max Unit
Over current level Measured at DCS. 0.90 1.025 1.20 V
3.12.3 Under-Voltage Detector
The values in Table 25 were measured in Barrier Powered Mode. In the recommended schematic (see
Figure 12), disconnect Q5 collector and connect to an external power supply, VPE, through a 600 Ω
resistor.
Table 25: Under-voltage Detector
Parameter Test Condition Min Nom Max Unit
Under voltage detect Measure VPE when UVD is
detected as VPE is decreased.
– 7.5 – V
3.12.4 Over-Load Detector
The values in Table 26 were measured in Barrier Powered Mode.
Table 26: Over-load Detector
Parameter
Test Condition
Min
Nom
Max
Unit
Over load level Measured at DCI with 1 kHz. 0.6 0.75 0.9 Vpk