MAX5942AESE+ Maxim Integrated Products, MAX5942AESE+ Datasheet - Page 15
![IC IEEE 802.3AF POE SYSTM 16SOIC](/photos/6/66/66630/175-16-soic_sml.jpg)
MAX5942AESE+
Manufacturer Part Number
MAX5942AESE+
Description
IC IEEE 802.3AF POE SYSTM 16SOIC
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX5942ACSE.pdf
(24 pages)
Specifications of MAX5942AESE+
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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