Datasheet

IEEE 802.3af/at-Compliant, Powered Device Interface
Controllers with Integrated 70W High-Power MOSFET
MAX5982A/MAX5982B/MAX5982C
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Typical Application Circuit
68nF
ISOLATED 2-EVENT
CLASSIFICATION
OUTPUT
GND
V
AC
V
AC
GND
-54V
SMAJ58A
MAX5982A
MAX5982B
MAX5982C
24.9kI
43.7I
V
DD
V
SS
RTN
WAD
PG
PG
DET
CLS
2EC/WAD
2EC
24/48V
BATTERY
1.4mA
RTN
IN
EN
DCLMP
DT
DITHER/
SYNC
SS
C
IN
C
F
C
COMP2
R
IN
L2
C
OUT1
C
OUT2
C
OUT3
C
OUT4
C
OUT5
C
BULK
RDCLMP1
R
OPTO2
RDCLMP2
PG
R
DT
C
SS
D1
D2
D3
N
T
L1
T1
GND
IN
C
DITHER
FFB
FB
COMP
CS
D5
AUXDRV
CSSC
GND
RT
R
FFB
R
G1
R
G2
R
CSSC
R
AUX
R
CS
R
GATE3
R
GATE4
R
GATE1
R
GATE2
R
FB1
R
FB2
N3
N1
U1
N4
N
18V
N
P
N
S
D4
N
C
AUX
C
INT
U2
C
CLAMP
C
COMP1
R
OPTO1
R
BIAS
R
RT
R
F
NDRV
PGND
N2
5i412DP
N
R
COMP2
P
R
OPTO3
R
COMP2
MAX5974C
MAX5974D
RTN
RTN
RTN
RTN
RTN
RTN
RTN
RTN RTN
RTN
RTN
RTN
RTN