LTC1929-PG LINER [Linear Technology], LTC1929-PG Datasheet - Page 6
LTC1929-PG
Manufacturer Part Number
LTC1929-PG
Description
2-Phase, High Efficiency,Synchronous Step-Down Switching Regulators
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC1929-PG.pdf
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LTC1929/LTC1929-PG
TYPICAL PERFOR A CE CHARACTERISTICS
6
–0.2
–0.3
–0.4
–0.1
0.0
0
Load Regulation
1
LOAD CURRENT (A)
V
1V/DIV
2V/DIV
2V/DIV
RUN/SS
2
V
V
OUT
ITH
80
78
76
74
72
70
–50 –25
Maximum Current Sense
Threshold vs Temperature
Soft-Start (Figure 13)
V
3
SENSE
–
W
= 5V
V
FIGURE 1
IN
4
0
TEMPERATURE ( C)
= 15V
1629 G13
U
100ms/DIV
25
5
50
75
2.5
2.0
1.5
1.0
0.5
0
100
0
V
V
ITH
1929 G16
1929 G18
OSENSE
125
vs V
1
= 0.7V
RUN/SS
2
V
RUN/SS
3
10A/DIV
(V)
50mV/DIV
I
OUT
4
V
20A
1.2
1.0
0.8
0.4
OUT
1.8
1.6
1.4
0.6
0.2
0A
0
–50
RUN/SS Current vs Temperature
Load Step (Figure 13)
5
1629 G14
–25
6
0
TEMPERATURE ( C)
25
–100
20 s/DIV
–50
100
50
0
0
50
SENSE Pins Total Source Current
V
SENSE
75
COMMON MODE VOLTAGE (V)
100
2
1929 G17
1929 G19
125
4
1629 G15
6
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