Datasheet

LTC4218
6
4218ff
TYPICAL PERFORMANCE CHARACTERISTICS
Gate Drive vs Temperature PG, FLT V
OUT
Low vs I
LOAD
GATE Pull-Up Current
vs Temperature
Gate Pull-Up Current
vs Gate Drive Gate Drive vs V
DD
T
A
= 25°C, V
DD
= 12V unless otherwise noted.
I
MON
vs Temperature and V
DD
I
MON
vs Sense V
IMON
vs Sense
TEMPERATURE (°C)
–50
I
GATE
PULL-UP (μA)
–26.0
–25.5
–25.0
–24.5
–24.0
–25 0 25
4218 G10
50 75 100
I
GATE
(μA)
0
0
GATE DRIVE (V
GATE
– V
SOURCE
) (V)
7
6
5
4
3
2
1
–5 –10 –15 –20
4218 G11
–25 –30
V
DD
= 12V
V
DD
= 3.3V
V
DD
(V)
0
6.2
6.0
5.8
5.6
5.4
5.2
51015
4218 G12
20 25 30
GATE DRIVE (V
GATE
– V
SOURCE
) (V)
TEMPERATURE (°C)
–50
6.15
6.14
6.13
6.12
6.11
6.10
–25 0 25
4218 G13
50 75 100
GATE DRIVE (V
GATE
– V
SOURCE
) (V)
I
LOAD
(mA)
0
0
PG, FLT V
OUT
LOW (V)
14
12
10
8
6
4
2
2468
4218 G14
10 12
FLT
PG
TEMPERATURE (°C)
–50
105
100
95
90
85
80
–25 0 25
4218 G15
50 75 100
I
MON
(μA)
V
DD
= 3.3V, 12V, 24V
V
SENSE
+
– V
SENSE
–
= 15mV
SENSE VOLTAGE (mV)
0
0
I
MON
(μA)
100
75
50
25
510
4218 G16
15
SENSE VOLTAGE (mV)
0
0
V
IMON
(V)
4
3
2
1
510
4218 G17
15
R
IMON
= 100k
R
IMON
= 40k
R
IMON
= 20k
R
IMON
= 10k