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Smallest, Most Reliable, 12V, Infiniband-
Compliant Hot-Swap Controller
2  _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
IN
= +12V, V
EN
= 0, T
A
= 0?/SPAN>?/SPAN>C to +85?/SPAN>?/SPAN>C, unless otherwise noted. Typical values are at T
A
= +25癈.)
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
IN, POK to RET.......................................................-0.3V to +16V
GATE to RET...................................................-0.3V to (V
IN
+ 7V)
OUT, ISET, CTIM to RET..............................-0.3V to (V
IN
+ 0.3V)
EN, LPEN, OVP to RET.............................................-0.3V to +6V
Continuous Power Dissipation (T
A
= +70癈)
10-Pin 礛ax (derate 5.6 mW/癈 above +70癈).......444.4 mW
Operating Temperature Range ...........................-40癈 to +85癈
Junction Temperature......................................................+150癈
Storage Temperature Range.............................-65癈 to +150癈
Lead Temperature (soldering, 10s).................................+300癈
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VB BULK SUPPLY CONTROL
IN Supply Voltage Range
10
12
14
V
ISET Current Source
18.5
20
21.5
礎
Current-Limit Offset Voltage
V
ISET
 - V
IN
-4
0
+4
mV
OUT Input Current
V
OUT
 = 12V
6
12
礎
Severe Overcurrent Threshold
With respect to current regulation threshold
150
mV
25W OUT Current Regulation
R
ISET
 = 3.09k& ?%, R
SENSE
 = 20m& ?%
2.6
3.1
3.6
A
50W OUT Current Regulation
R
ISET
 = 3.09k& ?%, R
SENSE
 = 10m& ?%
5.2
6.2
7.2
A
GATE PARAMETERS
Gate Response Time to Severe
Overcurrent
V
RSENSE
 e (150mV + current regulation threshold +
50mV) until V
GATE
 begins to slew low (Note 1)
100
ns
Gate Response Time to
Overcurrent
V
RSENSE
 e current regulation threshold + 50mV until
V
GATE
 begins to slew low (Note 1)
600
ns
Gate Turn-On Current
8.4
10
11.6
礎
Overcurrent, V
RSENSE
 e (current regulation threshold +
100mV) (Note 1)
2.7
Gate Pulldown Current
Severe overcurrent
350
mA
Gate High Voltage
V
IN
 + 4   V
IN
 + 5
V
IN PARAMETERS
Quiescent Supply Current
1.5
3
mA
IN UVLO Threshold
Hysteresis = 300mV
7.5
8.4
9.0
V
POK Undervoltage Threshold
Measured at OUT, rising edge, hysteresis = 300mV
9.2
9.6
10.0
V
POK Delay
V
POK
 rising
100
220
350
祍
POK Output Voltage
V
OUT
 < 9.2V, I
POK
 = 1.6mA
0.1
0.25
V
POK Leakage Current
V
OUT
 > 10V, V
POK
 = 14V
0.1
1
礎
EN Rising Threshold
Hysteresis = 120mV
1.3
1.65
2.0
V
EN Pullup Voltage
EN unconnected
4.5
5.5
V
EN Pullup Current
12
20
28
礎
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