IEEE 802.3af/at-Compliant, Powered Device Interface
Controllers with Integrated Power MOSFET
Typical Operating Characteristics (continued)
(V IN = (V DD - V SS ) = 54V, R DET = 24.9kω, R CLS = 615ω. RTN, WAD, PG, and 2EC unconnected; all voltages are referenced to V SS. )
INRUSH CONTROL WAVEFORM WITH
TYPE 2 CLASSIFICATION
MAX5969A toc10
ENTERING POWER MODE WITH
TYPE 2 CLASSIFICATION
MAX5969A toc11
USING TYPICAL APPLICATION CIRCUIT
2EC PULLED UP TO V DD WITH 10k I
200μs/div
0V
0V
0A
0V
V 2EC
50V/div
V RTN
50V/div
I RTN
100mA/div
V DD
50V/div
USING TYPICAL APPLICATION CIRCUIT
2EC PULLED UP TO V DD WITH 10k I
20ms/div
V PG
0V 10V/div
V 2EC
0V 40V/div
V RTN
0V 50V/div
I RTN
0A 200mA/div
V DD
0V 50V/div
6
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