Datasheet

LTC3786
6
3786fc
For more information www.linear.com/LTC3786
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
–25
–5
15
35
55
75
95
115
135
155
1.188
1.191
1.194
1.197
1.200
1.203
1.206
1.209
1.212
REGULATED FEEDBACK VOLTAGE (V)
3786 G09
TEMPERATURE (°C)
–45
–25
–5
15
35
55
75
95
115
135
155
9.0
9.5
10.0
10.5
11.0
SOFT-START CURRENT (µA)
3786 G10
V
IN
= 12V
TEMPERATURE (°C)
–45
–25
–5
15
35
55
75
95
115
135
155
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
10.5
11.0
11.5
12.0
SHUTDOWN CURRENT (µA)
3786 G11
0 15
5 10 20
25 30 35 40
INPUT VOLTAGE (V)
SHUTDOWN CURRENT (µA)
10
20
5
0
15
3786 G12
RUN FALLING
RUN RISING
TEMPERATURE (°C)
–45
–25
–5
15
35
55
75
95
115
135
155
1.10
1.15
1.20
1.25
1.30
1.35
1.40
RUN PIN VOLTAGE (V)
3786 G14
INTV
CC
FALLING
INTV
CC
RISING
TEMPERATURE (°C)
–45
–25
–5
15
35
55
75
95
115
135
155
3.4
3.5
3.6
3.7
3.8
3.9
4.0
4.1
4.2
4.3
4.4
INTV
CC
VOLTAGE (V)
3786 G15
V
FB
= 1.25V
V
IN
= 12V
TEMPERATURE (°C)
–45
–25
–5
15
35
55
75
95
115
135
155
30
40
50
60
70
80
QUIESCENT CURRENT (µA)
3786 G13
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
CC
4.7
4.9
5.1
4.75
5.0
5.25 5.5
3786 G17
5.75
5.3
4.6
4.8
5.0
5.2
5.4
6.0
NO LOAD
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