max5922aeuit Maxim Integrated Products, Inc., max5922aeuit Datasheet - Page 9

• Manufacturer Part Number: max5922aeuit
• Description: Max5922 +48v, Single-port Network Power Switch For Power-over-lan
• Manufacturer: Maxim Integrated Products, Inc.

(MAX5922A, V
UVLO floating, R
1.25mA/div
200mA/div
20V/div
20V/div
IN
5V/div
5V/div
RCL
= 48V, V
0V
0V
0A
0V
+48V, Single-Port Network Power Switch
_______________________________________________________________________________________
= 150kΩ, R
(R
DIG
STARTUP WITH VALID PD
OVERCURRENT TIMEOUT
LOAD
(25kΩ, ZC_EN = LOW)
, EN, LATCH, CLASS, and ZC_EN = 3.3V, DCA, AGND_S = AGND = DGND = 0V, R
FROM 240Ω to 75Ω)
RDT
100ms/div
2ms/div
= 18.2kΩ, T
10A/div
20V/div
MAX5922 toc28
MAX5922 toc30
A
Typical Operating Characteristics (continued)
= +25°C, unless otherwise noted.)
OUTPUT SHORT-CIRCUIT RESPONSE
V
POK
I
EN
V
I
POK
OUT
OUT
OUT
OUT
4µs/div
200mA/div
20mA/div
20V/div
MAX5922 toc32
5V/div
5V/div
For Power-Over-LAN
0V
0V
0V
0A
OUTPUT SHORT-CIRCUIT RESPONSE
I
V
OUT
OUT
DIFFERENT PD CLASSES
SHORT TO AGND
STARTUP WITH
CLASS 4
CLASS 3
CLASS 2
CLASS 1
CLASS 0
200µs/div
40ms/div
MAX5922 toc31
MAX5922 toc29
SENSE
I
V
V
EN
POK
I
OUT
OUT
OUT
OUT
= 0.5Ω ±1%,
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