MAX5971A Maxim Integrated Products, MAX5971A Datasheet - Page 7

• Manufacturer Part Number: MAX5971A
• Description: Single-Port 40W IEEE 802.3af/at PSE Controller with Integrated MOSFET
• Manufacturer: Maxim Integrated Products

(T
A
= +25°C, unless otherwise noted.)
0mA
0mA
0mA
0V
0V
0V
OVERCURRENT TIMEOUT (240Ω TO 138Ω)
Single-Port, 40W, IEEE 802.3af/802.3at PSE
ZERO-CURRENT DETECTION WAVEFORM
SHORT-CIRCUIT TRANSIENT RESPONSE
WITH DC DISCONNECT ENABLED
_______________________________________________________________________________________
100ms/div
20ms/div
10µs/div
Controller with Integrated MOSFET
MAX5971A toc08
MAX5971A toc10
MAX5971A toc12
V
20V/div
I
200mA/div
V
20V/div
I
5A/div
V
20V/div
I
100mA/div
OUT
OUT
OUT
AGND
AGND
AGND
Typical Operating Characteristics (continued)
- V
- V
- V
OUT
OUT
OUT
0mA
0mA
0mA
0V
0V
0V
0V
ZERO-CURRENT DETECTION WAVEFORM
SHORT-CIRCUIT RESPONSE TIME
WITH AC DISCONNECT ENABLED
EN TO OUT TURN-OFF DELAY
100ms/div
100µs/div
20ms/div
MAX5971A toc09
MAX5971A toc11
MAX5971A toc13
V
20V/div
I
200mA/div
V
20V/div
I
200mA/div
V
5V/div
V
20V/div
I
100mA/div
OUT
OUT
OUT
AGND
AGND
EN
AGND
- V
- V
- V
OUT
OUT
OUT
7