Datasheet

LTC3787
7
3787fc
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
015
510 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
3
7
8
7
G
1
6
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
3787 G17
EXTV
CC
= 0V
EXTV
CC
= 6V
V
IN
= 12V
–60 15
–35 –10 40 65 90 140115
TEMPERATURE (°C)
QUIESCENT CURRENT (µA)
3787 G13
140
120
110
180
160
170
150
130
V
IN
= 12V
V
FB
= 1.25V
RUN = GND
–60 15
–35 –10 40 65 90 140115
TEMPERATURE (°C)
RUN PIN VOLTAGE (V)
3787 G14
1.25
1.15
1.10
1.40
1.35
1.30
1.20
RUN FALLING
RUN RISING
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
3787 G15
–60 15
–35 –10 40 65 90 140115
INTV
CC
RISING
INTV
CC
FALLING
TEMPERATURE (°C)
4.0
EXTV
CC
AND INTV
CC
VOLTAGE (V)
4.2
4.6
4.8
5.0
6.0
5.4
4.4
5.6
5.8
5.2
3787 G18
–60 15
–35 –10 40 65 90 140115
INTV
CC
EXTV
CC
RISING
EXTV
CC
FALLING