Typical operating characteristics (continued) – Rainbow Electronics MAX5969B User Manual
Page 6
IEEE 802.3af/at-Compliant, Powered Device Interface
Controllers with
Integrated Power MOSFET
MAX5969A/MAX5969B
6 ______________________________________________________________________________________
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
0V
0V
0A
0V
V
RTN
50V/div
I
RTN
100mA/div
V
DD
50V/div
V
2EC
50V/div
200
µs/div
USING TYPICAL APPLICATION CIRCUIT
2EC PULLED UP TO V
DD
WITH 10kI
ENTERING POWER MODE WITH
TYPE 2 CLASSIFICATION
MAX5969A toc11
V
PG
10V/div
0V
0V
0V
0A
0V
V
RTN
50V/div
I
RTN
200mA/div
V
DD
50V/div
20ms/div
V
2EC
40V/div
USING TYPICAL APPLICATION CIRCUIT
2EC PULLED UP TO V
DD
WITH 10kI