LTC1929-PG LINER [Linear Technology], LTC1929-PG Datasheet - Page 7
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
(28 pages)
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TYPICAL PERFOR A CE CHARACTERISTICS
31
25
35
33
29
27
–50 –25
Current SENSE Pin Input Current
vs Temperature
V
OUT
= 5V
0
TEMPERATURE ( C)
25
3.50
3.45
3.30
3.20
3.40
3.35
3.25
–50
Undervoltage Lockout
vs Temperature
50
–25
75
W
0
TEMPERATURE ( C)
100
1929 G20
25
U
125
50
75
10
8
6
4
2
0
–50 –25
100
EXTV
vs Temperature
1929 G23
125
CC
Switch Resistance
0
TEMPERATURE ( C)
25
50
75
2.5
2.0
1.0
4.5
4.0
3.5
3.0
1.5
0.5
0
–50
100
V
Thresholds vs Temperature
RUN/SS
1929 G21
LTC1929/LTC1929-PG
–25
125
Shutdown Latch
0
TEMPERATURE ( C)
THRESHOLD
LATCHOFF
25
350
200
150
100
300
250
50
0
– 50
LATCH ARMING
Oscillator Frequency
vs Temperature
50
– 25
75
0
100
TEMPERATURE ( C)
1929 G24
V
25
V
FREQSET
V
125
FREQSET
FREQSET
50
= OPEN
= 5V
= 0V
75
100
1929 G22
7
125
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