Datasheet

LTC3788-1
6
37881fc
TYPICAL PERFORMANCE CHARACTERISTICS
Inductor Current at Light Load Soft Start-Up
Regulated Feedback Voltage
vs Temperature
PULSE-SKIPPING
MODE
Burst Mode
OPERATION
5A/DIV
FORCED
CONTINUOUS MODE
V
IN
= 12V
V
OUT
= 24V
I
LOAD
= 200µA
FIGURE 9 CIRCUIT
5µs/DIV
37881 G07
0V
V
OUT
5V/DIV
V
IN
= 12V
V
OUT
= 24V
FIGURE 9 CIRCUIT
20ms/DIV
37881 G08
TEMPERATURE (°C)
–45
REGULATED FEEDBACK VOLTAGE (V)
1.209
30
37881 G09
1.200
1.194
–20 5 55
1.191
1.188
1.212
1.206
1.203
1.197
80 105 130
Shutdown Current vs Temperature
Soft-Start Pull-Up Current
vs Temperature
Shutdown Current
vs Input Voltage
TEMPERATURE (°C)
–45
SOFT-START CURRENT (µA)
10.5
30
37881 G10
–20 5 55
9.0
11.0
10.0
9.5
80 105 130
–45 30
–20 5 55 80 105 130
TEMPERATURE (°C)
SHUTDOWN CURRENT (µA)
7.0
9.5
10.0
10.5
11.0
6.0
8.5
6.5
9.0
5.5
5.0
8.0
7.5
37881 G11
V
IN
= 12V
015
510 2025 30 35 40
INPUT VOLTAGE (V)
SHUTDOWN CURRENT (µA)
10
20
5
0
15
37881 G12