Datasheet

MAX5934/MAX5934A
Positive High-Voltage, Hot-Swap Controllers with
Selectable Fault Management and Status Polarity
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +24V (MAX5934A), V
CC
= +48V (MAX5934), GND = 0V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at
T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DC = 3.75%, DC = floating 1.5 3 4.5
DC = 1.88%, DC = high 0.75 1.5 2.25
TIMER Pulldown Current I
TIMERON
V
TIMER
= 1V
DC = 0.94%, DC = low 0.37 0.75 1.12
µA
ON High Threshold V
ONH
ON low-to-high transition 1.280 1.313 1.355 V
ON Low Threshold V
ONL
ON high-to-low transition 1.221 1.233 1.245 V
ON Hysteresis V
ONHYST
80 mV
ON Input Bias Current I
INON
V
ON
= 0V -1 +1 µA
LATCH/RETRY and POL_SEL
Low-Voltage Threshold
V
LRIL
,
V
POS_SEL_IL
0.4 V
LATCH/RETRY and POL_SEL
High-Voltage Threshold
V
LRIH
,
V
POS_SEL_IH
3.2 V
V
POL_SEL
= 80V 4.5
LATCH/RETRY and POL_SEL
Input Current
I
LR_IN
,
I
POS_SEL_IN
V
POL_SEL
= 0V -37
µA
Source GATE Clamp Voltage V
SGZ
V
GATE
- V
OUT
15 16.4 19 V
I
O
= 2mA 0.4
PWRGD_ Output Low Voltage V
OL
I
O
= 4mA 2.5
V
PWRGD_ Leakage Current I
OH
V
PWRGD_
= 80V 10 µA
Thermal Shutdown Temperature rising +150 °C
Thermal-Shutdown Hysteresis 20 °C
SENSE Input Bias Current I
SENSE
V
SENSE
= 0 to V
CC
-1 +3 µA
DC High-Voltage Threshold 1 V
DCHTH
Ri si ng ed g e, D C tr ansi ti on fr om 3.75% to
1.88%
2.150 2.600 2.850 V
DC High-Voltage Threshold 2 V
DCLTH
Ri si ng ed g e, D C tr ansi ti on fr om 0.94% to
3.75%
1.075 1.250 1.425 V
DC High-Voltage Threshold 1
Hysteresis
V
DCLHYS
45 mV
DC High-Voltage Threshold 2
Hysteresis
V
DCLHYS
45 mV
DC Input Open-Circuit Voltage V
DCOC
1.9 V
DC Input Impedance R
DC_IN
57 kΩ
V
_DC
= 80V 50
DC Input Current I
DC_IN
V
_DC
= 0V -34
µA
ON Low-to-GATE Low
Propagation Delay
t
PHLON
C
GATE
= 0, Figures 1 and 2 6 µs
ON High-to-GATE High
Propagation Delay
t
PLHON
C
GATE
= 0, Figures 1 and 2 1.7 µs