Datasheet

MAX5910/MAX5917
+65V Simple Swapper Hot-Swap Switches
_______________________________________________________________________________________ 3
Note 1: Measured at GND pin at the end of the output voltage slew.
Note 2: Guaranteed by R
DSON
test. Limited by package power dissipation.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Zero-Current Detection
Threshold Hysteresis
IF
HYS
Percentage of IF
TH
10 %
IFAULT Output Delay t
IFD
(Figure 1) 7 12 17 ms
PGOOD Output Delay t
PGD
(Figure 2) 7 12 17 ms
Thermal Shutdown Temperature T
J
Die temperature increasing 140
o
C
Thermal Shutdown Hysteresis T
JHYS
3.5
o
C
Default Undervoltage Lockout V
UVLO
V
IN
decreasing 24.5 26.5 28.5 V
Undervoltage Lockout
Hysteresis
UVLO
HYS
Percentage of V
UVLO
11 %
Minimum Undervoltage Lockout
Threshold
V
UVLO
(MIN)
UVLO connected to V
IN
,
V
IN
decreasing
77.58 V
Undervoltage Lockout Input
Resistance
R
UVLO
Force I = 5µA into UVLO pin 260 kΩ
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= +42V, GND = 0, UVLO = open circuit, V
ENABLE
= +3.3V, and T
A
= -40°C to +85°C, unless otherwise noted. Typical values are
at T
A
= +25°C.)
I
OUT
IFAULT
3.3V
0
t
IFD
IF
TH
Figure 1. IFAULT Delay
t
PGD
V
PG
V
IN
PGOOD
3.3V
0
Figure 2. Power-Good Delay