MAX5941BESE+ Maxim Integrated Products, MAX5941BESE+ Datasheet - Page 22

• Manufacturer Part Number: MAX5941BESE+
• Description: IC IEEE 802.3AF-COMP POE 16-SOIC
• Manufacturer: Maxim Integrated Products

Specifications of MAX5941BESE+

• Controller Type: Power over Ethernet Controller (POE)
• Interface: IEEE 802.3af
• Voltage - Supply: 48V
• Current - Supply: 1mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
GND
-48V
*OPTIONAL.
** R1 AND R2 ARE OPTIONAL AND WHEN USED,
THEY MUST TOTAL TO 25.5kΩ AND REPLACE
THE 25.5kΩ RESISTOR.
60V
68nF
25.5kΩ
R
DISC
R1**
R2**
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