MAX5921 Datasheet, PDF (13/18 Pages) Maxim Integrated Products – -48V Hot-Swap Controllers with External RSENSE and High Gate Pulldown Current

-48V Hot-Swap Controllers with External
R_SENSE and High Gate Pulldown Current
-48V RTN
(SHORT PIN)
-48V RTN
R4
MAX5921B/F
MAX5939B/F
UV
R5
VGH
∆VGATE
*
OV
VDL
R6
VEE
VDD
SENSE
R1
-48V
*DIODES INC. SMAT70A
Figure 11. Active-High Enable Module
ACTIVE-HIGH
ENABLE MODULE
VIN+
VOUT+
I1
PWRGD
Q2
Q3
VEE
ON/OFF
C3
VIN-
VOUT-
GATE
R3
DRAIN
C2
R2
Q1
-48V RTN
(SHORT PIN)
-48V RTN
R4
MAX5921A/E
MAX5939A/E
UV
R5
VGH
∆VGATE
*
OV
VDL
R6
VEE
VDD
SENSE
ACTIVE-LOW
ENABLE MODULE
VIN+
VOUT+
Q2
VEE
PWRGD
ON/OFF
C3
VIN-
VOUT-
GATE
R3
DRAIN
C2
R1
-48V
*DIODES INC. SMAT70A
Figure 12. Active-Low Enable Module
R2
Q1
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