MAX5941 Maxim, MAX5941 Datasheet - Page 22

• Manufacturer Part Number: MAX5941
• Description: IEEE 802.3af-Compliant Power-Over-Ethernet Interface/PWM Controller for Power Devices
• Manufacturer: Maxim

IEEE 802.3af-Compliant Power-Over-Ethernet
Interface/PWM Controller for Power Devices
22
Figure 8. Power-Supply Circuit 1 Enabling PWM Controller of a Second Power Circuit
______________________________________________________________________________________
POWER-SUPPLY CIRCUIT 1
POWER-SUPPLY CIRCUIT 2
-48V
GND
* OPTIONAL.
* R1 AND R2 ARE OPTIONAL AND WHEN USED,
THEY MUST TOTAL TO 25.5kΩ AND REPLACE
THE 25.5kΩ RESISTOR.
60V
68nF
R
*D1
*D2
25.5kΩ
DISC
=
**R2
**R1
RCL
V+
SS_SHDN
V+
V
UVLO
RCL
PGOOD
GATE
V
V+
V
DD
EE
DD
MAX5941_
MAX5014
*C
GND
GATE
SS_SHDN
PGOOD
NDRV
NDRV
OPTO
OPTO
GND
V CC
OUT
V
CS
CS
CC
V-
OPTOCOUPLER
OPTOCOUPLER
TL431
TL431
VREG1
VREG2