max5969a Maxim Integrated Products, Inc., max5969a Datasheet - Page 8

• Manufacturer Part Number: max5969a
• Description: Ieee 802.3af/at-compliant, Powered Device Interface Controllers With Integrated Power Mosfet
• Manufacturer: Maxim Integrated Products, Inc.

IEEE 802.3af/at-Compliant, Powered Device Interface
Controllers with
8
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V
DET
V
DD
SS
5V REGULATOR
K x I
5V
1.23V
I
SWITCH
SWITCH
11.6V/4V
V
DD
11.6V/10.8V
V
DD
I
REF
Integrated Power MOSFET
1/K
22.8/22
46µA
V
DD
ISOLATION
SWITCH
MUX
5V
S
15V
I0
I1
4V
135mA
760mA
D
CLR
SET
HSON
SHUTDOWN
THERMAL
Q
Q
R
S
Q
D
CLR
SET
95ms
V
V
Q
Q
ON
ON
Simplified Block Diagram
/V
/V
OFF
OFF
= 38.6V/31V FOR MAX5969B
= 35.4V/31V FOR MAX5969A
EN
V
V
ON
DD
CLASSIFICATION
/V
OFF
WAPD
V
MAX5969A
MAX5969B
DD
PSE 2
1.23V
1.5mA
230µA
9V
CLS
2EC
PG
WAD
RTN