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General Information18
Table 1-3. Supplemental Characteristics
Outputs 40 W Low 40 W High 80 W Low 80 W High
Voltage Voltage Voltage Voltage
Temperature Coefficient:
Voltage (60 ppm + 0.4 mV)/ °C (60 ppm + 1 mV)/ °C (60 ppm + 0.4 mV)/ °C (60 ppm + 1 mV)/ °C
+Current (160 ppm +0.2mA)/°C (160 ppm +0.1 mA)/°C (160 ppm +0.4mA)/°C (160 ppm +0.2 mA)/°C
OVP (130 ppm + 1 mV)/ °C (130 ppm + 2 mV)/ °C (130 ppm + 1 mV)/ °C (130 ppm + 2 mV)/ °C
Readback Temperature Coefficient:
Voltage (40 ppm +0.3 mV)/°C (40 ppm +0.7 mV)/°C (40 ppm +0.3 mV)/°C (40 ppm +0.7 mV)/°C
+ 10 mV + 23 mV + 10 mV + 23 mV
+Current (85 ppm +0.25 mA)/°C (85 ppm +0.1 mA)/°C (85 ppm +0.5 mA)/°C (85 ppm +0.2 mA)/°C
+3 mA +1 mA +5 mA +2 mA
-Current (95 ppm + 0.3 mA)/°C (95 ppm +0.1 mA)/°C (95 ppm +0.6 mA)/°C (95 ppm +0.2 mA)/°C
+3 mA +1.2 mA +6 mA +2.3 mA
Long Term Drift: (In an 8 hour period following a 30 minute warmup):
Voltage 0.012% + 1 mV 0.012% + 1 mV 0.012% + 1 mV 0.012% + 1 mV
+ Current 0.032% + 2 mA 0.032% + 2 mA 0.032% + 4 mA 0.032% + 4 mA
Short Term Drift: (Within 30 minutes after a line and/or load change):
Voltage 0.042% + 2 mV 0.042% + 2 mV 0.042% + 2 mV 0.042% + 2 mV
+Current 0.11%+4 mA 0.11%+4 mA 0.11%+8 mA 0.11%+8 mA
Programmable OVP Ranges:
0-23 V 0-55 V 0-23 V 0-55 V
Load Cross Regulation:
Voltage 1 mV 2.5 mV 1 mV 2.5 mV
+Current 1 mA 0.5 mA 2 mA 1 mA
Output Response Characteristics: (See Figure 1-3)
Max Output
Programming
Response Time
2 ms 6 ms 2 ms 6 ms
Settling Band 20 mV 50 mV 20 mV 50 mV
Max Time Constant
250 µS 750 µS 250 µS 750 µS
DC Floating Voltage:
No output terminal may be more than 240 Vdc from any other terminal or from chassis ground. Also, no overvoltage terminal may be
more than 240 Vdc from any other terminal or chassis ground.
Remote Sense Capability: (See wire size selection, page 47 and remote voltage sensing, page 48)
Outputs can maintain specifications with up to 1 volt drop per load lead except that the maximum voltage at the output terminals must
not exceed the rated output voltage + 1 volt (see Figure 4-6). If the steady state voltage drop exceeds approximately 1.5 V on either
load lead when remote sensing, a circuit will trip the OVP.