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MAX5922AEUI+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21
MAX5922
+48V, Single-Port Network Power Switch
For Power-Over-LAN
_______________________________________________________________________________________ 7
OVERCURRENT RESTART DELAY
MAX5922 toc19
400ms/div
0V
20V/div
0V
5V/div
0A
500mA/div
0V
5V/div
V
OUT
POK
I
OUT
FAULT
t
RESTART
STARTUP WITH VALID
PD (25kΩ AND 0.1µF)
MAX5922 toc20
40ms/div
0V
20V/div
0V
5V/div
0V
5V/div
0A
200mA/div
V
OUT
POK
I
OUT
EN
STARTUP WITH INVALID
PD (25kΩ AND 10µF)
MAX5922 toc21
100ms/div
0V
0V
5V/div
0A
250µA/div
0V
2V/div
V
OUT
POK
I
OUT
EN
Typical Operating Characteristics (continued)
(MAX5922A, V
IN
= 48V, V
DIG
, EN, LATCH, CLASS, and ZC_EN = 3.3V, DCA, AGND_S = AGND = DGND = 0V, R
SENSE
= 0.5Ω ±1%,
UVLO floating, R
RCL
= 150kΩ, R
RDT
= 18.2kΩ, T
A
= +25°C, unless otherwise noted.)
ZERO-CURRENT HIGH-TO-LOW
DETECTION TIME
MAX5922 toc16
100ms/div
0V
20V/div
0V
5V/div
0V
5V/div
0A
1.25mA/div
V
OUT
POK
ZC
I
OUT
t
ZCDEL
ZERO-CURRENT (IIms GLITCH)
DEGLITCH TIME
MAX5922 toc17
100ms/div
0V
20V/div
0V
5V/div
0V
5V/div
0A
200mA/div
V
OUT
POK
ZC
I
OUT
t
ZCDEL
GLITCH > t
ZC_DEG
ZERO-CURRENT
DEGLITCH TIME (10ms GLITCH)
MAX5922 toc18
100ms/div
0V
20V/div
0V
5V/div
0V
5V/div
0A
200mA/div
V
OUT
POK
ZC
I
OUT
t
ZCDEL
GLITCH > t
ZC_DEG
MAX5922
+48V, Single-Port Network Power Switch
For Power-Over-LAN
8 _______________________________________________________________________________________
STARTUP WITH INVALID
PD (15kΩ)
MAX5922 toc22
100ms/div
0V
0V
5V/div
0A
250µA/div
0V
2V/div
V
OUT
POK
EN
STARTUP WITH INVALID
PD (33kΩ)
MAX5922 toc23
40ms/div
0V
0V
5V/div
0A
250µA/div
0V
2V/div
V
OUT
I
OUT
POK
EN
STARTUP WITH OUTPUT
SHORTED TO AGND
MAX5922 toc24
100ms/div
0V
0V
5V/div
5V/div
0A
500µA/div
0V
2V/div
V
OUT
I
OUT
POK
EN
STARTUP WITH MIDSPAN MODE
(DCA = V
DIG
, VALID PD (25kΩ AND 0.1µF))
MAX5922 toc25
100ms/div
0V
0V
5V/div
5V/div
0V
500µA/div
0A
20V/div
V
OUT
I
OUT
POK
EN
STARTUP WITH MIDSPAN MODE
(DCA = V
DIG
, INVALID PD (15kΩ))
MAX5922 toc26
400ms/div
0V
0V
5V/div
0A
250µA/div
0V
2V/div
V
OUT
I
OUT
POK
EN
STARTUP WITH MIDSPAN MODE
(DCA = V
DIG,
INVALID PD (33kΩ))
MAX5922 toc27
400ms/div
0V
0V
5V/div
0A
250µA/div
0V
2V/div
V
OUT
I
OUT
POK
EN
Typical Operating Characteristics (continued)
(MAX5922A, V
IN
= 48V, V
DIG
, EN, LATCH, CLASS, and ZC_EN = 3.3V, DCA, AGND_S = AGND = DGND = 0V, R
SENSE
= 0.5Ω ±1%,
UVLO floating, R
RCL
= 150kΩ, R
RDT
= 18.2kΩ, T
A
= +25°C, unless otherwise noted.)
MAX5922
+48V, Single-Port Network Power Switch
For Power-Over-LAN
_______________________________________________________________________________________ 9
STARTUP WITH VALID PD
(25kΩ, ZC_EN = LOW)
MAX5922 toc28
100ms/div
0V
0V
5V/div
20V/div
0A
1.25mA/div
0V
V
OUT
I
OUT
POK
EN
STARTUP WITH
DIFFERENT PD CLASSES
MAX5922 toc29
40ms/div
0V
0V
0V
5V/div
5V/div
20mA/div
0A
V
OUT
I
OUT
POK
EN
SHORT TO AGND
CLASS 4
CLASS 3
CLASS 2
CLASS 1
CLASS 0
OVERCURRENT TIMEOUT
(R
LOAD
FROM 240Ω to 75Ω)
MAX5922 toc30
2ms/div
5V/div
20V/div
200mA/div
V
OUT
I
OUT
POK
OUTPUT SHORT-CIRCUIT RESPONSE
MAX5922 toc31
200µs/div
200mA/div
20V/div
V
OUT
I
OUT
Typical Operating Characteristics (continued)
(MAX5922A, V
IN
= 48V, V
DIG
, EN, LATCH, CLASS, and ZC_EN = 3.3V, DCA, AGND_S = AGND = DGND = 0V, R
SENSE
= 0.5Ω ±1%,
UVLO floating, R
RCL
= 150kΩ, R
RDT
= 18.2kΩ, T
A
= +25°C, unless otherwise noted.)
OUTPUT SHORT-CIRCUIT RESPONSE
MAX5922 toc32
4µs/div
10A/div
20V/div
V
OUT
I
OUT
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21

MAX5922AEUI+T

Mfr. #:
Buy MAX5922AEUI+T
Manufacturer:
Maxim Integrated
Description:
Hot Swap Voltage Controllers 48V Single-Port Network Power Switch
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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