Datasheet

MAX5924/MAX5925/MAX5926
1V to 13.2V, n-Channel Hot-Swap Controllers
Require No Sense Resistor
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
, EN (MAX5924/MAX5925), EN1 (MAX5926) = +2.7V to +13.2V; EN2 (MAX5926) = 0V; V
S
(see Figure 1) = +1.05V to V
CC
;
T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
CC
= 5V, R
L
= 500Ω from OUT to GND, C
L
= 1µF, SLEW =
open, T
A
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Circuit-Breaker Programming
Current During Startup
I
CB,SU
2 x I
CB
µA
Circuit-Breaker Enable Threshold V
CB
,
EN
V
GATE
- V
OUT
, rising gate voltage (Note 6) 2.3 3.6 4.65 V
Circuit-Breaker Comparator Offset
Voltage
V
CB_OS
0.3 ±4.7 mV
Fast Circuit-Breaker Offset
Resistor
R
CBF
Figure 3 1.2 1.9 2.7 kΩ
Slow Circuit-Breaker Delay t
CBS
V
CB
- V
SENSE
= 10mV 0.95 1.6 2.95 ms
Fast Circuit-Breaker Delay t
CBF
V
CB
- V
SENSE
= 500mV 280 ns
Circuit-Breaker Trip Gate
Pulldown Current
I
GATE
,
PD
V
GATE
= 2.5V, V
CC
= 13.2V 13.5 27 mA
MAX5924, TC = high (MAX5926) 0
Circuit-Breaker Temperature
Coefficient
TC
ICB
MAX5925, TC = low (MAX5926) 3300
ppm/°C
OUT Current I
OUT
120 µA
MOSFET DRIVER
External Gate Drive V
GS
V
GATE
- V
OUT
2.7V ≤ V
CC
≤ 13.2V 4.2 5.5 7.2 V
SLEW = open, C
GATE
= 10nF 2.19 9.5
Load Voltage Slew Rate SR
C
SLEW
= 300nF, C
GATE
= 10nF (Note 8) 0.84
V/ms
Gate Pullup Current Capacity I
GATE
V
GATE
= 0V 239 µA
ENABLE COMPARATOR
EN, EN1 Reference Threshold V
EN/UVLO
V
EN
(MAX5924/MAX5925) or
V
EN1
(MAX5926) rising
0.747 0.795 0.850 V
EN, EN1 Hysteresis V
EN
,
HYS
30 mV
EN, EN1 Input Bias Current I
EN
EN (MAX5924/MAX5925) = V
CC
,
EN1 (MAX5926) = V
CC
±8 ±50 nA
DIGITAL OUTPUTS (PGOOD, PGOOD)
Power-Good Output Low Voltage V
OL
I
OL
= 1mA 0.3 0.4 V
Power-Good Output Open-Drain
Leakage Current
I
OH
PGOOD/PGOOD = 13.2V 0.2 1 µA
Power-Good Trip Point V
THPGOOD
V
GATE
- V
OUT
, rising gate voltage V
CB
_
EN
3.6 4.7 V
Power-Good Hysteresis V
PG
,
HYS
0.36 V