Datasheet

LTC3788
7
3788fc
Typical perForMance characTerisTics
Quiescent Current vs Temperature
EXTV
CC
Switchover and INTV
CC
Voltages vs Temperature
INTV
CC
Line Regulation
Shutdown (RUN) Threshold
vs Temperature
Undervoltage Lockout Threshold
vs Temperature
INTV
CC
vs INTV
CC
Load Current
TEMPERATURE (°C)
–45
QUIESCENT CURRENT (µA)
30
3788 G13
140
120
–20 5 55
110
100
170
160
150
130
80 105 130
V
IN
= 12V
V
FB
= 1.25V
RUN2 = GND
TEMPERATURE (°C)
–45
RUN PIN VOLTAGE (V)
30
3788 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
3788 G15
INTV
CC
RISING
INTV
CC
FALLING
0 15
5 10 20
25 30 35 40
INPUT VOLTAGE (V)
INTV
CC
VOLTAGE (V)
4.7
5.2
5.3
5.4
5.5
5.0
4.6
5.1
4.5
4.9
4.8
3788 G16
INTV
CC
LOAD CURRENT (mA)
0
INTV
CC
VOLTAGE (V)
5.35
5.40
5.45
140
5.30
5.25
40 80
20 180
60 100
160
120 200
5.20
5.00
5.10
5.05
5.15
5.50
3788 G17
EXTV
CC
= 0V
EXTV
CC
= 6V
V
IN
= 12V
TEMPERATURE (°C)
–45
4.0
EXTV
CC
AND INTV
CC
VOLTAGE (V)
4.2
4.6
4.8
5.0
6.0
5.4
5
55
80
4.4
5.6
5.8
5.2
–20
30
105
130
3788 G18
EXTV
CC
RISING
EXTV
CC
FALLING
INTV
CC