Datasheet

MAX5941A/MAX5941B
IEEE 802.3af-Compliant Power-Over-Ethernet
Interface/PWM Controller for Power Devices
22 ______________________________________________________________________________________
*OPTIONAL.
** R1 AND R2 ARE OPTIONAL AND WHEN USED,
THEY MUST TOTAL TO 25.5kΩ AND REPLACE
THE 25.5kΩ RESISTOR.
NDRVV+
V+
V
DD
CS
GND
SS_SHDN
V
CC
OPTOCOUPLER
TL431
OPTO
VREG2
MAX5014
POWER-SUPPLY CIRCUIT 1
POWER-SUPPLY CIRCUIT 2
NDRVGNDV+
V
DD
68nF
60V
GND
-48V
R
DISC
25.5kΩ
RCL
RCL
UVLO
GATE
V
EE
C
GATE
*
R1**
R2**
CS
V-
SS_SHDN
PGOOD
V
CC
OPTO
OPTOCOUPLER
TL431
OUT
VREG1
MAX5941_
PGOOD
Figure 8. Power-Supply Circuit 1 Enabling PWM Controller of a Second Power Circuit