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+48V, Single-Port Network Power Switch
For Power-Over-LAN
2  _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
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.
(All voltages with respect to AGND_S, unless otherwise noted.)
IN............................................................................-0.3V to +76V
UVLO........................................................................-0.3V to +6V
V
DIG
to DGND ..........................................................-0.3V to +6V
OUT.......................................................-0.3V to (V
DRAIN
+ 0.3V)
DRAIN..........................................................-0.3V to (V
IN
+ 0.3V)
RDT.........................................................................-0.3V to +12V
RCL to IN................................................................-10V to +0.3V
EN, DET_DIS, DCA, CLASS, ZC_EN,
and LATCH to DGND ...........................................-0.3V to +6V
POK, ZC, CL0, CL1, CL2, and FAULT to DGND......-0.3V to +6V
DGND..........................................................................-5V to +5V
Maximum Current into Drain .................................................0.8A
Maximum Current into POK, ZC, CL0, CL1, CL2, FAULT...20mA
Continuous Power Dissipation (T
A
= +70癈)
28-Pin TSSOP (Derate 12.8mW/癈 above +70癈).....1026mW
Operating Temperature Range ...........................-40癈 to +85癈
Junction Temperature......................................................+150癈
Storage Temperature Range.............................-65癈 to +160癈
Lead Temperature (soldering, 10s).................................+300癈
ELECTRICAL CHARACTERISTICS
(V
IN
= 48V, V
DIG
= 3.3V, AGND_S = AGND = DGND = 0V, R
SENSE
= 0.5& ?%, UVLO = open, EN = V
DIG
, R
RCL
= 150& ?%, R
RDT
= 18.2k& ?%, T
A
= -40癈 to +85癈, unless otherwise noted. Typical values are at T
A
= +25癈.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Analog Input Voltage Range
V
IN
32
60
V
Analog Input Supply Current
I
IN
V
IN
 = 60V, measured at AGND after OUT
has stopped slewing
1
1.6
mA
Digital Input Voltage Range
V
DIG
1.65
5.50
V
Digital Input Supply Current
I
DIG
V
DIG
 = 5V
0.05
0.1
mA
DGND to AGND Operating
Voltage Range
-4
+4
V
Current-Limit Response Time
OUT shorted to AGND (Note 2)
1
祍
OUT Current-Limit Foldback
Voltage
V
FBSTOP
(Note 3)
18
V
Maximum voltage across R
SENSE
 at V
OUT
 >
V
FBSTOP
198
212
223
Current-Limit Sense Voltage
(V
IN
 - V
DRS
) (Note 4)
V
ILIM
0癈 to +70癈
203
212
221
mV
Current-Limit Sense Foldback
Voltage (V
IN
 - V
DRS
)
V
ILIM_fb
V
OUT
 = 0V
64
70
76
mV
Overcurrent Timeout
t
OC
OUT shorted to AGND (Note 5)
50
60
75
ms
T
A
 = +25癈
0.45
D
MOS
 On-Resistance
R
DSON
I
OUT
 = 100mA
T
A
 = +85癈
0.75
&
Power-Off OUT Sink Current
EN = DGND, V
OUT
 = 48V
15
礎
Maximum Output Voltage Slew
Rate
dV
OUT
/dt   V
OUT
 rising, no load
100
V/ms
Maximum Output Current Slew
Rate
dI
OUT
/dt    V
OUT
 rising, C
LOAD
 = 100礔
35
A/ms
V
OUT
 rising, POK from low to high
650
750
850
mV
Power-OK Threshold (V
IN
 - V
OUT
)
V
THPOK
Hysteresis
10
%
POK Output Low Voltage
V
POK_LOW
I
POK
 = 3mA
0.4
V
POK Output Leakage Current
V
POK
 = 3.3V
0.05
1
礎
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