LTC3787
TYPICAL PERFORMANCE CHARACTERISTICS
Inductor Current at Light Load
Soft Start-Up
FORCED
CONTINUOUS MODE
Burst Mode
OPERATION
5A/DIV
PULSE-SKIPPING
MODE
V
OUT
5V/DIV
0V
5μs/DIV
V
IN
= 12V
V
OUT
= 24V
I
LOAD
= 200μA
FIGURE 10 CIRCUIT
3787
G07
20ms/DIV
V
IN
= 12V
V
OUT
= 24V
FIGURE 10 CIRCUIT
3787
G08
Regulated Feedback Voltage
vs Temperature
1.212
REGULATED FEEDBACK VOLTAGE (V)
1.209
1.206
1.203
1.200
1.197
1.194
1.191
1.188
–60 –35 –10 15 40 65 90 115 140
TEMPERATURE (°C)
3787 G09
Soft-Start Pull-Up Current
vs Temperature
11.0
SOFT-START CURRENT (μA)
10.5
10.0
9.5
9.0
–60 –35 –10 15 40 65 90 115 140
TEMPERATURE (°C)
3787 G10
Shutdown Current vs Temperature
11.0
10.5
10.0
SHUTDOWN CURRENT (μA)
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
–60 –35 –10 15 40 65 90 115 140
TEMPERATURE (°C)
3787 G11
0
SHUTDOWN CURRENT (μA)
15
V
IN
= 12V
20
Shutdown Current vs Input Voltage
10
5
0
5
10
15 20 25 30
INPUT VOLTAGE (V)
35
40
3787 G12
3787fc
6
LINEAR [ LINEAR INTEGRATED SYSTEMS ]
