MAX5942AESE+ Maxim Integrated Products, MAX5942AESE+ Datasheet - Page 12

• Manufacturer Part Number: MAX5942AESE+
• Description: IC IEEE 802.3AF POE SYSTM 16SOIC
• Manufacturer: Maxim Integrated Products

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

IEEE 802.3af Power-Over-Ethernet
Interface/PWM Controller for Power Devices
Table 2. Setting Classification Current
*V
Figure 2. Powered Device Interface Block Diagram
12
IN
CLASS
is measured across the MAX5942 input pins (V
______________________________________________________________________________________
UVLO
0
1
2
3
4
GATE
GND
R
CL
732
392
255
178
UVLO
10k
(Ω)
R1
R2
R3
GND
200mV
21.8V
39V
12.6 to 20
12.6 to 20
12.6 to 20
12.6 to 20
12.6 to 20
V
IN
* (V)
REF
2.4V, 0.8
2.4V,
HYST
REF
V
CLASS CURRENT SEEN AT V
V
EE
GATE
, 6V
MIN
EE
17
26
36
0
9
EN
and GND), which does not include the diode bridge voltage drop.
Q2
MAX5942B
MAX
12
20
30
42
4
IN
(mA)
EN
1.2V, REF
5V, REF
CLASSIFICATION
IEEE 802.3af PD CLASSIFICATION
CURRENT SPECIFICATION (mA)
MIN
17
26
36
0
9
Q1
6.8V
Q4
Q3
MAX
12
20
30
44
4
V
RCL
PGOOD
PGOOD
OUT