Datasheet

LTC4227
6
422712fa
For more information www.linear.com/LTC4227
HGATE Pull-Up Current
vs Temperature
TMR Pull-Up Current
vs Temperature
PWRGD, FAULT Output Low
Voltage vs Current
Typical perForMance characTerisTics
T
A
= 25°C, V
IN
= 12V, unless otherwise noted.
TEMPERATURE (°C)
–50
–9.0
HGATE PULL-UP CURRENT (µA)
–9.5
–10.0
–10.5
–11.0
–25 0 25 50
4227 G10
75 100
TEMPERATURE (°C)
–50
–97
TMR PULL-UP CURRENT (µA)
–98
–99
–100
–101
–103
–25
0 25 50
4227 G11
75 100
–102
CURRENT (mA)
0
OUTPUT LOW VOLTAGE (V)
0.4
0.6
4
4227 G12
0.2
0
1
2
3
5
0.8
OUT Current vs Voltage
Hot Swap Gate Voltage
vs IN Voltage
Circuit Breaker Trip Voltage
vs Temperature
Active Current Limit Sense
Voltage vs Temperature
Active Current Limit Delay
vs Sense Voltage
TEMPERATURE (°C)
–50
48
CIRCUIT BREAKER TRIP VOLTAGE (mV)
49
50
51
52
–25 0 25 50
4227 G07
75 100
TEMPERATURE (°C)
–50
63
ACTIVE CURRENT LIMIT SENSE VOLTAGE (mV)
64
65
66
67
–25 0 25 50
4227 G08
75 100
SENSE VOLTAGE (V
SENSE
+
– V
SENSE
–
) (mV)
50
0.1
ACTIVE CURRENT LIMIT DELAY (µs)
10
100
100 150 200 250 300
4227 G09
1
C
HGATE
= 10nF
V
OUT
(V)
0
2.0
1.6
1.2
0.8
0.4
0
–0.4
9 15
4227 G06
3 6
12 18
I
OUT
(mA)
V
IN
= 12V
V
IN
(V)
0
4
GATE DRIVE
(∆V
HGATE
) (V)
3 6 9 12
4227 G05b
15 18
6
8
10
12
14
V
OUT
= V
IN