MAX5942BESE+T Maxim Integrated Products, MAX5942BESE+T Datasheet - Page 15

• Manufacturer Part Number: MAX5942BESE+T
• Description: IC IEEE 802.3AF POE SYSTM 16SOIC
• Manufacturer: Maxim Integrated Products

Specifications of MAX5942BESE+T

• 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

Figure 4. MAX5942A/MAX5942B PWM Controller Functional Diagram
V
V+
V-
FB
SS_SHDN
DD
Interface/PWM Controller for Power Devices
0.25V
50kΩ
______________________________________________________________________________________
26mV/µs
MAX5942A ONLY
IN
EN
ERROR
AMP
1MΩ
2.4V
REGULATOR
VOLTAGE
HIGH-
COMPENSATION
26mV/µs
SLOPE
IEEE 802.3af Power-Over-Ethernet
OUT
∑
EN
PWM
DUTY CYCLE
80%/50%
CLAMP
REGULATOR
WINDING
BIAS
OSCILLATOR
275kHz
4µA
OUT
BUF
IN
V
CC
6.6V
3R
0.7V
BLANKING
UVLO
70ns
ILIM
R
S
R
V
DD
-
125mV
OK
Q
5kΩ
V
CC
NDRV
V
CS
CC
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