Datasheet

LTC4225-1/LTC4225-2
5
422512f
Typical perForMance characTerisTics
Diode Gate Voltage vs Current Hot Swap Gate Voltage vs Current OUT Current vs Voltage
Circuit Breaker Trip Voltage
vs Temperature
Active Current Limit Sense
Voltage vs Temperature
Active Current Limit Delay
vs Sense Voltage
IN Supply Current vs Voltage INTV
CC
Load Regulation CPO Voltage vs Current
T
A
= 25°C, V
IN
= 12V, unless otherwise noted.
V
IN
(V)
0
0
I
IN
(mA)
1
2
3
4
3 6 9 12
422512 G01
15 18
I
LOAD
(mA)
0
0
INTV
CC
(V)
1
2
3
4
5
6
–2 –4 –6 –8
422512 G02
–10
V
IN
= 12V
V
IN
= 3.3V
I
CPO
(µA)
0
12
10
8
6
4
2
0
–2
–60 –100
422512 G03
–20 –40
–80 –120
V
CPO
– V
IN
(∆V
CPO
) (V)
V
IN
= 18V
V
IN
= 2.9V
I
DGATE
(µA)
0
12
10
8
6
4
2
0
–2
–60 –100
422512 G04
–20 –40
–80 –120
V
DGATE
– V
IN
(∆V
DGATE
) (V)
V
IN
= 18V
V
IN
= 2.9V
V
OUT
= V
IN
– 0.1V
I
HGATE
(µA)
0
14
12
10
8
6
4
2
0
–6 –10
422712 G05
–2 –4
–8 –12
GATE DRIVE (∆V
HGATE
) (V)
V
IN
= 12V
V
OUT
= V
IN
V
IN
= 2.9V
TEMPERATURE (°C)
–50
48
CIRCUIT BREAKER TRIP VOLTAGE (mV)
49
50
51
52
–25 0 25 50
422512 G07
75 100
TEMPERATURE (°C)
–50
63
ACTIVE CURRENT LIMIT SENSE VOLTAGE (mV)
64
65
66
67
–25 0 25 50
422512 G08
75 100
SENSE VOLTAGE (V
IN
– V
SENSE
) (mV)
50
0.1
ACTIVE CURRENT LIMIT DELAY (µs)
10
100
100 150 200 250 300
422512 G09
1
C
HGATE
= 10nF
V
OUT
(V)
0
–0.5
I
OUT
(mA)
0
0.5
1.0
1.5
2.5
3
6 9 12
422512 G06
15 18
2.0
V
IN
= 12V