Datasheet

LTC4223-1/LTC4223-2
6
422312f
TEMPERATURE (°C)
AUX SWITCH-ON RESISTANCE (Ω)
422312 G10
–50
0.1
0.2
0.3
0.4
0.5
–25 0 25 50 75 100
TEMPERATURE (°C)
GATE DRIVE (ΔV
GATE
) (V)
422312 G11
–50
5.9
6.0
6.1
6.2
6.3
–25 0 25 50 75 100
I
GATE
(μA)
0
7
6
5
4
3
2
1
0
–6 –10
422312 G12
–2 –4
–8 –12
GATE DRIVE (ΔV
GATE
) (V)
TEMPERATURE (°C)
GATE PULL-UP CURRENT (µA)
422312 G13
–50
–9.0
–9.5
–10.0
–10.5
–11.0
–25 0 25 50 75 100
TEMPERATURE (°C)
–50
15
AUX CIRCUIT BREAKER TRIP DELAY (µs)
20
25
30
–25
02550
422312 G14
75 100
SENSE VOLTAGE (mV)
0.1
ACTIVE CURRENT LIMIT DELAY (µs)
1
10
100
50 150 200 250
0.01
100
300
422312 G15
TEMPERATURE (°C)
GATE FAST PULL-DOWN CURRENT (mA)
422312 G16
–50
50
100
150
200
250
–25 0 25 50 75 100
TEMPERATURE (°C)
–50
200
OUTPUT DISCHARGE RESISTANCE (Ω)
400
600
800
1000
1200
–25
02550
422312 G17
75 100
AUXOUT
12V
OUT
V
CC
(V)
2.5
LOGIC INPUT THRESHOLD (V)
2.0
2.5
3.0
4.0 5.0
422312 G18
1.5
1.0
3.0 3.5
4.5 5.5 6.0
0.5
0
LOW
HIGH
TYPICAL PERFORMANCE CHARACTERISTICS
AUX Switch On Resistance vs
Temperature Gate Drive vs Temperature Gate Drive vs I
GATE
Gate Pull-Up Current vs
Temperature
AUX Circuit Breaker Trip Delay vs
Temperature
Active Current Limit Delay vs
Sense Voltage
Gate Fast Pull-Down Current vs
Temperature
Output Discharge Resistance vs
Temperature Logic Input Threshold vs V
CC
Specifi cations are T
A
= 25°C, V
CC
= 3.3V, V
AUXIN
=
3.3V, V
12VIN
=12V, unless otherwise specifi ed.