Datasheet

LT4275
4
4275f
Typical perForMance characTerisTics
Signature Resistance
vs Input Voltage VPORT Hot Swap Thresholds Reset Threshold
PWRGD, T2P Output Low
Voltage vs Current VPORT Classification Thresholds T2P Frequency
VPORT Current vs VPORT Voltage
25k Detection Range VPORT Hot Swap Thresholds Supply Current During Power-On
VPORT VOLTAGE (V)
0
VPORT CURRENT (mA)
0.2
0.3
0.4
0.5
0.1
0
8
4275 G01
1062 4
T = –40°C
T = 25°C
T = 75°C
T = 125°C
TEMPERATURE (°C)
–50
VPORT VOLTAGE (V)
32
33
34
35
36
37
31
30
100
4275 G02
12575–25 50250
IEEEUVLO = 0V
Hot Swap OFF
Hot Swap ON
VPORT VOLTAGE (V)
35
SUPPLY CURRENT (mA)
1.0
1.5
2.0
0.5
0
55
4275 G03
605040 45
T = –40°C
T = 25°C
T = 75°C
T = 125°C
VPORT VOLTAGE (V)
1
SIGNATURE RESISTANCE (kΩ)
25.25
25.75
26.25
24.75
24.25
23.75
4275 G04
973 5
T = –40°C
T = 25°C
T = 75°C
T = 125°C
TEMPERATURE (°C)
–50
VPORT VOLTAGE (V)
24.5
26.0
27.5
29.0
23.0
21.5
100
4275 G05
12575–25 50250
IEEEUVLO = FLOAT
Hot Swap OFF
Hot Swap ON
TEMPERATURE (°C)
–50
VPORT VOLTAGE (V)
3.6
4.1
5.1
4.6
5.6
3.1
2.6
100
4275 G06
12575–25 50250
CURRENT (mA)
0
VOLTAGE (V)
2
3
4
1
0
4
4275 G07
531 2
T = –40°C
T = 25°C
T = 75°C
T = 125°C
TEMPERATURE (°C)
–50
VPORT VOLTAGE (V)
11.0
11.5
12.0
12.5
10.5
10.0
100
4275 G08
12575–25 50250
DETECT OR MARK TO CLASS
CLASS TO MARK
TEMPERATURE (°C)
–50
T2P FREQUENCY (Hz)
840
740
890
940
990
790
690
100
4275 G09
12575–25 50250