Smallest, Most Reliable, 12V, Infiniband-
Compliant Hot-Swap Controller
ELECTRICAL CHARACTERISTICS (continued)
°
°
(V
IN
= +12V, V
EN
= 0,
T
A
= 0°C to +85°C,
unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
LPEN Rising Threshold
LPEN Pullup Voltage
LPEN Pullup Current
OVP Threshold Voltage
OVP Fault Timeout
CTIM PARAMETERS
CTIM Charging Current
CTIM Fault Pullup Current
Current-Limit Timeout Threshold
Voltage
V
CTIM
< 1.5V
V
CTIM
= 6V
16
6
1.5
20
8
1.8
24
12
2.1
µA
mA
V
Hysteresis = 10mV, V
OVP
rising
Hysteresis = 120mV
LPEN unconnected
CONDITIONS
MIN
1.3
4.5
12
1.96
TYP
1.65
5.5
20
2.00
1.5
28
2.04
MAX
2.0
UNITS
V
V
µA
V
ms
MAX8533
ELECTRICAL CHARACTERISTICS
°
°
(V
IN
= +12V, V
EN
= 0,
T
A
= -40°C to +85°C,
unless otherwise noted.) (Note 2)
PARAMETER
VB BULK SUPPLY CONTROL
IN Supply Voltage Range
ISET Current Source
Current-Limit Offset Voltage
OUT Input Current
25W OUT Current Regulation
50W OUT Current Regulation
GATE PARAMETERS
Gate Turn-On Current
Gate High Voltage
IN PARAMETERS
Quiescent Supply Current
IN UVLO Threshold
POK Undervoltage Threshold
POK Delay
POK Output Voltage
POK Leakage Current
EN Rising Threshold
EN Pullup Voltage
EN Pullup Current
Hysteresis = 300mV
Measured at OUT, rising edge, hysteresis = 300mV
V
POK
rising
V
OUT
< 9.2V, I
POK
= 1.6mA
V
OUT
> 10V, V
POK
= 14V
Hysteresis = 120mV
EN unconnected
1.3
4.5
12
28
7.5
9.0
100
3
9.0
10.2
350
0.25
1
2.0
mA
V
V
µs
V
µA
V
V
µA
8
V
IN
+ 4
12
µA
V
Current regulation threshold = I
SET
x R
ISET
V
ISET
- V
IN
V
OUT
= 12V
R
ISET
= 3.09kΩ
±1%,
R
SENSE
= 20mΩ
±1%
R
ISET
= 3.09kΩ
±1%,
R
SENSE
= 10mΩ
±1%
2.5
5.0
10
18
-4
14
22
+4
12
3.7
7.4
V
µA
mV
µA
A
A
CONDITIONS
MIN
TYP
MAX
UNITS
_______________________________________________________________________________________
3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
