Datasheet

UCC28050, UCC28051
UCC38050, UCC38051
SLUS515F−SEPTEMBER 2002 − REVISED MARCH 2009
19
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TYPICAL CHARACTERISTICS
Figure 10
CURRENT SENSE INPUT THRESHOLD
vs
MULTIPLIER INPUT VOLTAGE
V
CS
− CS Input Voltage − V
V
MULTIN
− Multiplier Input Voltage− V
1.2
1.4
0.8
1.8
0.4
0.2
0.6
1.0
1.6
0.0
3.00 1.51.00.5 2.52.0
COMP = 3.5 V
COMP = 3.25 V
COMP = 2.75 V
COMP = 3 V
COMP = 3.75 V
COMP = 2.5 V
MAXIMUM CURRENT SENSE THRESHOLD
vs
TEMPERATURE
V
CS(max)
− Maximum Current Sense Threshold − V
T
J
− Temperature − °C
Figure 11
12
5
−50 50250 100−25 75
1.725
1.750
1.675
1.550
1.600
1.625
1.575
1.650
1.700
1.775
1.800
Figure 12
CS TO OUTPUT DELAY TIME
vs
TEMPERATURE
t
DELAY
− Cureent Sense to Output Delay Time − ns
T
J
− Temperature − °C
125−50 50250 100−25 75
350
400
250
0
100
150
50
200
300
450
TRANSCONDUCTANCE
vs
TEMPERATURE
g
M
− Transconductance − μS
T
J
− Temperature − °C
Figure 13
125−50 50250 100−25 75
100
90
120
60
70
80
110