MAX5940BESA+ Maxim Integrated Products, MAX5940BESA+ Datasheet - Page 5

• Manufacturer Part Number: MAX5940BESA+
• Description: IC IEEE 802.3AF PD INTFC 8-SOIC
• Manufacturer: Maxim Integrated Products

Specifications of MAX5940BESA+

• Controller Type: Powered Device Interface Controller (PD)
• Interface: IEEE 802.3af
• Voltage - Supply: 48V
• Current - Supply: 1mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Input Voltage: 80V
• Output Current: 500mA
• Supply Current: 400µA
• Digital Ic Case Style: SOIC
• No. Of Pins: 8
• Uvlo: 38.6V
• Operating Temperature Range: -40°C To +85°C
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
are at T
IN
400
320
240
160
80
= (GND - V
0
0
A
= +25°C. All voltages are referenced to V
PGOOD OUTPUT LOW VOLTAGE
5
EE
INRUSH CURRENT CONTROL (V
) = 48V, GATE = PGOOD = PGOOD = OUT = OPEN, UVLO = V
vs. CURRENT
I
_______________________________________________________________________________________
SINK
10
(mA)
15
IEEE 802.3af PD Interface Controller
2ms/div
20
MAX5940A/B toc10
IN
= 48V)
20
16
12
Typical Operating Characteristics (continued)
8
4
0
EE
-40
V
5V/div
I
100mA/div
V
50V/div
PGOOD
50V/div
, unless otherwise noted.)
INRUSH
GATE
OUT TO
V
OUT
= 67V
V
-15
OUT LEAKAGE CURRENT
EE
vs. TEMPERATURE
TEMPERATURE (°C)
10
For Power-Over-Ethernet
35
60
EE
(MAX5940B), T
85
INRUSH CURRENT CONTROL (V
INRUSH CURRENT CONTROL (V
2ms/div
A
= -40°C to +85°C. Typical values
1ms/div
MAX5940A/B toc11
IN
= 67V)
MAX5940A/B toc09
IN
V
5V/div
I
100mA/div
V
50V/div
PGOOD
50V/div
INRUSH
GATE
OUT TO
= 12V)
V
EE
V
5V/div
I
100mA/div
V
10V/div
PGOOD
10V/div
INRUSH
GATE
OUT TO
V
5
EE