MAX5953A MAXIM [Maxim Integrated Products], MAX5953A Datasheet - Page 22

• Manufacturer Part Number: MAX5953A
• Description: IEEE 802.3af PD Interface and PWM Controllers with Integrated Power MOSFETs
• Manufacturer: MAXIM [Maxim Integrated Products]

IEEE 802.3af PD Interface and PWM Controllers
with Integrated Power MOSFETs
Figure 8. Powered Device Interface Block Diagram
22
UVLO*
GATE
______________________________________________________________________________________
V+
*MAX5953A/MAX5953C ONLY.
**MAX5953C/MAX5953D ONLY.
***MAX5953A/MAX5953B ONLY.
200mV
UVLO
V+
39V
21.8V
REF
2.4V
REF
2.4V, 0.8
HYST
V
V
EE
GATE
, 6V
EN
Q2
38Ω
MAX5953A
MAX5953B
MAX5953C
MAX5953D
EN
1.2V, REF
5V, REF
CLASSIFICATION
Q1
0.6Ω
6.8V
Block Diagrams
Q4
Q3
OUT
RCLASS
PGOOD**
PGOOD***