MAX5981A MAXIM [Maxim Integrated Products], MAX5981A Datasheet - Page 14
![no-image](/images/no-image-200.jpg)
MAX5981A
Manufacturer Part Number
MAX5981A
Description
IEEE 802.3af/at-Compliant, Powered Device Interface
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.MAX5981A.pdf
(16 pages)
IEEE 802.3af/at-Compliant, Powered Device Interface
Controllers with
14
_____________________________________________________________________________________
1.37MI
GND
-54V
V
V
4.99kI
AC
AC
PG
GND
10kI
CS
WALK MODE
ULVO/EN
INPUT
COMP
UFLG
SMAJ58A
CS
FB
GND
51.5kI
33kI
-54V
MAX15000
68nF
Integrated Power MOSFET
24.9kI
43.7I
CLS
DET
LED
V
WK
0.1µF
SS
0.1µF
1kI
IN
V
NDRV
GND
RT
CC
V
V
DD
MAX5981A
MAX5981B
CC
18.1kI
4.7µF
0.1µF
2EC/WAD
1.4mA
22.1I
4.99kI
0.1µF
1kI
RTN
V
CC
RTN
RTN
CS
2EC
249I
22µF
330pF
649I
GND
PG
WAD
RTN
SL
ULP
2.2nF
BATTERY
24/48V
60.4kI
619I
0.75I
ISOLATED 2-EVENT
CLASSIFICATION
-54V
Typical Application Circuit
OUTPUT
ISOLATED RTN
RTN
PG
-54V
1kI
8.2nF
33nF
100pF
8.06kI
ISOLATED +5.3V/2A
ISOLATED RTN
1kI
ISOLATED SLEEP
ISOLATED ULP
MODE INPUT
MODE INPUT
8.06kI
2.49kI