Datasheet

LTC4215-1/LTC4215-3
6
421513fc
Current Limit vs V
FB
TEMPERATURE (°C)
–50 –25
70
75
80
85
V
HYST(UV)
(mV)
90
0
50
4215 G05
25
75
100
V
TH
Circuit Breaker vs Temperature
TEMPERATURE (°C)
–50 –25
90
I
TIMER
(µA)
110
0
50
4215 G06
95
105
100
25
75
100
V
FB
(V)
0
I
LIM
(mV)
20
25
30
1.2 1.4
4215 G07
15
10
0
0.2 0.4
0.6 0.8 1.0
5
TEMPERATURE (°C)
–50 –25
22
CIRCUIT BREAKER THRESHOLD (mV)
24
27
0
50
75
4215 G08
23
26
25
25
100
V
DD
= 5V, 12V
V
DD
= 3.3V
ΔV
GATE
vs Temperature
V
TH(UV)
vs Temperature I
TIMER
vs TemperatureV
HYST(UV)
vs Temperature
I
GATE
(µA)
0
5
6
7
20
4215 G10
4
3
51015 25
2
1
0
ΔV
GATE
(V)
V
DD
= 3.3V
V
DD
= 12V
V
DD
= 5V
ΔV
GATE
vs I
GATE
I
GATE
Pull-Up vs Temperature
TEMPERATURE (°C)
–50
–10
I
GATE
(µA)
–20
–30
–25
0
50
75
4315 G11
–15
–25
25
100
T
A
= 25°C, V
DD
= 12V unless otherwise noted.
V
(SENSE+)
– V
(SENSE–)
(mV)
0 25 50 75 100 125 150
T
PHL
V
(GATE)
(µs)
1
100
4215 G17
10
0.1
T
PHL(GATE)
vs Sense Voltage
TYPICAL PERFORMANCE CHARACTERISTICS
TEMPERATURE (°C)
–50 –25
1.230
V
TH (UV)
RISING (V)
1.234
1.240
0
50
4215 G04
1.232
1.238
1.236
25
75
100
TEMPERATURE (°C)
–50
ΔV
GATE(SOURCE)
(V)
5.8
5.9
6.0
75
4215 G09
5.7
5.6
–25 250 50 100
5.5
5.4
6.1
V
DD
= 3.3V
V
DD
= 12V
V
DD
= 5V