Datasheet

6
LTC1929/LTC1929-PG
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Load Regulation V
ITH
vs V
RUN/SS
SENSE Pins Total Source Current
LOAD CURRENT (A)
0
NORMALIZED V
OUT
(%)
–0.2
–0.1
4
1629 G13
–0.3
–0.4
1
2
3
5
0.0
V
IN
= 15V
FIGURE 1
V
RUN/SS
(V)
0
0
V
ITH
(V)
0.5
1.0
1.5
2.0
2.5
1
234
1629 G14
56
V
OSENSE
= 0.7V
V
SENSE
COMMON MODE VOLTAGE (V)
0
I
SENSE
(µA)
0
1629 G15
–50
–100
24
50
100
6
Maximum Current Sense
Threshold vs Temperature
TEMPERATURE (°C)
–50 –25
70
V
SENSE
(mV)
74
80
0
50
75
1929 G16
72
78
76
25
100
125
V
SENSE
–
= 5V
RUN/SS Current vs Temperature
TEMPERATURE (°C)
–50 –25
0
RUN/SS CURRENT (µA)
0.2
0.6
0.8
1.0
75 10050
1.8
1929 G17
0.4
0 25 125
1.2
1.4
1.6
Soft-Start (Figure 13)
V
ITH
1V/DIV
V
OUT
2V/DIV
V
RUN/SS
2V/DIV
100ms/DIV
1929 G18
Load Step (Figure 13)
V
OUT
50mV/DIV
I
OUT
10A/DIV
20µs/DIV
1929 G19
20A
0A