Datasheet

LTC3786
6
3786fa
Typical perForMance characTerisTics
Shutdown Current
vs Input Voltage Quiescent Current vs Temperature
Shutdown (RUN) Threshold
vs Temperature
Undervoltage Lockout Threshold
vs Temperature INTV
CC
Line Regulation INTV
CC
Line Regulation
Regulated Feedback Voltage
vs Temperature
Soft-Start Pull-Up Current
vs Temperature Shutdown Current vs Temperature
TEMPERATURE (°C)
–45
REGULATED FEEDBACK VOLTAGE (V)
1.209
30
3786 G09
1.200
1.194
–20 5 55
1.191
1.188
1.212
1.206
1.203
1.197
80 105 130
TEMPERATURE (°C)
–45
SOFT-START CURRENT (µA)
10.5
30
3786 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
3786 G11
V
IN
= 12V
0 15
5 10 20
25 30 35 40
INPUT VOLTAGE (V)
SHUTDOWN CURRENT (µA)
10
20
5
0
15
3786 G12
TEMPERATURE (°C)
–45
RUN PIN VOLTAGE (V)
30
3786 G14
1.25
1.15
–20 5 55
1.10
1.40
1.35
1.30
1.20
80 105 130
RUN FALLING
RUN RISING
–45 30
–20 5 55
80 105 130
TEMPERATURE (°C)
INTV
CC
VOLTAGE (V)
3.6
4.1
4.2
4.3
4.4
3.9
3.5
4.0
3.4
3.8
3.7
3786 G15
INTV
CC
RISING
INTV
CC
FALLING
TEMPERATURE (°C)
–45
QUIESCENT CURRENT (µA)
60
70
80
30 80
3786 G13
50
40
–20 5
55 105 130
30
20
V
IN
= 12V
V
FB
= 1.25V
INPUT VOLTAGE (V)
0
4.5
INTV
CC
VOLTAGE (V)
4.6
4.8
4.9
5.0
5.5
5.2
10
20
25
3786 G16
4.7
5.3
5.4
5.1
5 15
30
35
40
NO LOAD
INPUT VOLTAGE (V)
4.5
4.5
INTV
CC
VOLTAGE (V)
4.7
4.9
5.1
4.75
5.0
5.25 5.5
3786 G17
5.75
5.3
5.5
4.6
4.8
5.0
5.2
5.4
6.0
NO LOAD