Datasheet

Typical Operating Characteristics
(V
IN
= 48V, VDIG, EN, LATCH, CLASS, ZC_EN = 3.3V, DCA, AGND_S = AGND = DGND = 0V, R
SENSE
= 0.5Ω, UVLO floating,
T
A
= +25°C, unless otherwise noted.)
MAX5923
+60V Simple Swapper Hot-Swap Switch
4 _______________________________________________________________________________________
V
IN
SUPPLY CURRENT
vs. INPUT VOLTAGE
MAX5923 toc01
INPUT VOLTAGE (V)
SUPPLY CURRENT (mA)
0.75
0.80
0.90
0.85
0.95
1.00
0.70
565248444036
32 60
MEASURED AT
AGND
T
A
= +25°C
T
A
= -40°C
T
A
= +85°C
V
IN
SUPPLY CURRENT
vs. TEMPERATURE
MAX5923 toc02
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
655035205-10-25
0.75
0.80
0.90
0.85
0.95
1.00
0.70
-40 80
V
IN
= 60V
V
IN
= 48V
V
IN
= 32V
MEASURED AT
AGND
I
DIG
(µA)
11.1
11.2
11.3
11.4
11.5
11.6
11.7
11.8
11.9
12.0
11.0
DIGITAL SUPPLY CURRENT
vs. TEMPERATURE
MAX5923 toc03
TEMPERATURE (°C)
655035205-10-25-40 80
DEFAULT V
IN
UVLO (V)
33
34
35
36
37
38
39
40
32
V
IN
UNDERVOLTAGE LOCKOUT
vs. TEMPERATURE
MAX5923 toc04
TEMPERATURE (°C)
655035205-10-25-40 80
V
IN
RISING
V
IN
FALLING
ON-RESISTANCE (Ω)
0.35
0.40
0.45
0.50
0.55
0.60
0.30
MOSFET R
DS-ON
vs. TEMPERATURE
MAX5923 toc05
TEMPERATURE (°C)
655035205-10-25-40 80
I
OUT
= 100mA
SENSE TRIP VOLTAGE vs. TEMPERATURE
MAX5923 toc06
TEMPERATURE (°C)
SENSE TRIP VOLTAGE (V)
806535 50-10 5 20-25
206
207
208
209
210
211
212
213
214
215
205
-40
V
IN
= 60V
V
IN
= 32V
V
IN
= 48V
FOLDBACK CURRENT LIMIT (ILIM vs. V
OUT
)
MAX5923 toc07
OUTPUT VOLTAGE (V)
ILIM (A)
40 45 503525 3010 15 205
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
0.55
0.60
0.10
0.05
0
0
ON-RESISTANCE (Ω)
3.52
3.54
3.56
3.58
3.60
3.62
3.64
3.66
3.68
3.70
3.50
ZERO-CURRENT DETECTION THRESHOLD
VOLTAGE vs. TEMPERATURE
MAX5923 toc08
TEMPERATURE (°C)
655035205-10-25-40 80
V
IN
= 60V
V
IN
= 32V
V
IN
= 48V
ON-RESISTANCE vs. V
DRAIN
MAX5923 toc09
INPUT VOLTAGE (V)
ON-RESISTANCE (Ω)
6863585348433833
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.1
28 73
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
I
OUT
= 100mA