UCD9080 Datasheet, PDF (4/32 Pages) Texas Instruments – 8-CHANNEL POWER SUPPLY SEQUENCER AND MONITOR

UCD9080
SLVS692A – SEPTEMBER 2006 – REVISED DECEMBER 2006
DIGITAL OUTPUTS (only one output is loaded at a time)
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TYPICAL LOW-LEVEL OUTPUT CURRENT
vs
LOW-LEVEL OUTPUT VOLTAGE
50
V_CC = 3 V
P1.0
T_A = 25^oC
40
T_A = 85^oC
30
20
10
0
0 0.5 1 1.5 2 2.5 3 3.5
V_OL − Low-Level Output Voltage − V
Figure 2.
TYPICAL HIGH-LEVEL OUTPUT CURRENT
vs
HIGH-LEVEL OUTPUT VOLTAGE
0
V_CC = 3 V
P1.0
-10
-20
-30
-40
T_A = 85^oC
-50
T_A = 25^oC
-60
0 0.5 1 1.5 2 2.5 3 3.5
V_OH − High-Level Output Voltage − V
Figure 3.
VCC
Vhys(B_IT-)
V(B_IT-)
VCC(start)
1
Set signal for
POR circuitry
0
td(BOR)
Figure 4. POR/Brownout Reset (BOR) vs Supply Voltage
4
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