LTC3787
TYPICAL PERFORMANCE CHARACTERISTICS
Shutdown (RUN) Threshold
vs Temperature
Quiescent Current vs Temperature
180
170
160
150
140
130
120
110
1.40
1.35
1.30
1.25
1.20
1.15
1.10
V
V
= 12V
IN
FB
= 1.25V
RUN = GND
RUN RISING
RUN FALLING
–35 –10
40 65 90 115 140
TEMPERATURE (°C)
–35 –10
40 65 90 115 140
15
TEMPERATURE (°C)
–60
15
–60
3787 G13
3787 G14
Undervoltage Lockout Threshold
vs Temperature
INTVCC Line Regulation
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.4
5.5
5.4
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
INTV RISING
CC
INTV FALLING
CC
–35 –10
40 65 90 115 140
–60
15
5
10
20 25 30 35 40
15
INPUT VOLTAGE (V)
0
TEMPERATURE (°C)
3787 G15
3787 G16
EXTVCC Switchover and INTVCC
Voltages vs Temperature
INTVCC vs INTVCC Load Current
6.0
5.8
5.6
5.4
5.2
5.0
4.8
4.6
4.4
4.2
4.0
5.50
5.45
5.40
5.35
5.30
5.25
5.20
5.15
5.10
5.05
5.00
V
= 12V
IN
INTV
CC
EXTV = 0V
CC
EXTV RISING
CC
EXTV = 6V
CC
EXTV FALLING
CC
–35 –10
40 65 90 115 140
15
TEMPERATURE (°C)
–60
40 60 80 100 120
200
0
20
140 160 180
INTV LOAD CURRENT (mA)
CC
3787 G18
3787 G17
3787fc
7
Linear Systems [ Linear Systems ]
