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UCC2941-3/-5/-ADJ
UCC3941-3/-5/-ADJ
0.300
0.500
0.700
0.900
1.100
1.300
1.500
1.700
1.900
2.100
0
2
4
6
8
10
12
14
16
18
20
RP(
Ω)
1V
1.25V
1.5V
1.75V
2V
3V
Figure 13. UCC3941-ADJ ILIM vs. RP (J package only).
0.300
0.500
0.700
0.900
1.100
1.300
1.500
1.700
1.900
2.100
0
2
4
6
8
10
12
14
16
18
20
RP(
Ω)
1V
1.25V
1.5V
1.75V
2V
3V
Figure 14. UCC3941-ADJ ILIM vs. RP (all other
packages).
UNITRODE CORPORATION
7 CONTINENTAL BLVD. • MERRIMACK, NH 03054
TEL. (603) 424-2410 FAX (603) 424-3460
()
()
()
IL
RV
Rp
P
BAT
=
+•
+
11 5
61
02
.
.
.
()
()
()
IL
RV
Rp
P
BAT
=
+•
+
11 8
67
026
.
.
.
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
0
50
100
150
IOUT (mA)
Figure 11. UCC3941-3 Dropout vs. IOUT.
APPLICATION INFORMATION (cont.)
0.8
0.84
0.88
0.92
0.96
1
1.04
1.08
1.12
1.16
1.2
0
50
100
150
IOUT (mA)
Figure 12. Minimum start voltage vs. IOUT.
Figure 15. VIN startup vs. temp.
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