Datasheet

LTC3816
10
3816f
Typical perForMance characTerisTics
EXTV
CC
Switchover Voltage
vs Temperature I
VIN
EXTV
CC
Voltage Drop
vs Temperature
TEMPERATURE (°C)
–50
3.9
EXTV
CC
SWITCHOVER VOLTAGE (V)
4.0
4.2
4.3
4.4
50
4.8
3816 G34
4.1
0
–25
75 100
25 125
4.5
4.6
4.7
EXTV
CC
RAMPS HIGH
EXTV
CC
RAMPS LOW
TEMPERATURE (°C)
–50
V
EXTVCC
– V
INTVCC
(mV)
80
100
120
25 75
3816 G35
60
40
–25 0
50 100 125
20
0
V
EXTVCC
= 5V
f
OSC
= 400kHz
I
LOAD
= 50mA
I
LOAD
= 20mA
NO LOAD
V
IN
(V)
0
I
VIN
(mA)
I
VIN
(SHUTDOWN) (µA)
13
14
15
15 25 40
3816 G36
12
11
10
30
40
50
20
10
0
5 10
20
30 35
V
EXTVCC
= 0V
f
OSC
= 400kHz
I
VIN
(SHUTDOWN)
I
VIN
I
VIN
(Shutdown) vs Temperature
I
VIN
and I
EXTVCC
vs Temperature
TEMPERATURE (°C)
–50
I
VIN
(µA)
40
50
60
25 75
3816 G37
30
20
–25 0
50 100 125
10
0
V
EXTVCC
= VR
ON
= 0V
V
IN
= 5V
V
IN
= 12V
V
IN
= 40V
TEMPERATURE (°C)
–50
12
13
15
25 75
3816 G38
11
10
–25 0
50 100 125
9
8
14
I
VIN
, I
EXTVCC
(mA)
V
IN
= 12V
f
OSC
= 400kHz
V
EXTVCC
= 0V, I
VIN
V
EXTVCC
= 5V, I
EXTVCC
V
CC(SEN)
and I
SENN
Input Current
vs Common Mode Range
V
SS(SEN)
Input Current
V
CC(SEN)
(V)
0
–10
I
VCC(SEN)
, I
ISENN
(µA)
–5
0
5
10
20
0.25
0.50 0.75 1.00
3816 G39
1.25 1.50
15
V
IN
= 12V
V
ISENN
= V
CC(SEN)
V
ITC
= V
ITCFB
V
SS(SEN)
= 0V
I
VCC(SEN)
I
ISENN