Datasheet
0
20
40
60
80
f =0kHz
s
f =500kHz
s
f =1000kHz
s
f =2000kHz
s
f =1500kHz
s
4 4.5
5 5.5
6 6.5
V -V
GG
UCD72422RailOperating
I -mA
GG
4 4.5
5 5.5
6 6.5
0
10
20
30
40
50
f =0kHz
s
f =500kHz
s
f =1000kHz
s
f =2000kHz
s
f =1500kHz
s
I -mA
GG
V -V
GG
UCD72421RailOperating
UCD7242
SLUS962B –JANUARY 2010–REVISED AUGUST 2012
www.ti.com
TYPICAL CHARACTERISTICS (continued)
Inductor used in the following plots is a 0.47μH BI Technologies inductor (HM72A). All data taken at room ambient.
Figure 10. V
GG
Supply Current with 1 Rail Operating and 1 Rail Off
Figure 11. V
GG
Supply Current with 2 Rails Operating
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