Step immunity and no r, Sense, Electrical characteristics (continued) – Rainbow Electronics MAX5937 User Manual
Page 3
MAX5936/MAX5937
-48V Hot-Swap Controllers with V
IN
Step Immunity and No R
SENSE
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
EE
= -10V to -80V, V
IN
= GND - V
EE
, V
STEP_MON
= V
EE
, R
LP
= 200Ω, UVLO open, T
A
= -40°C to +85°C, unless otherwise noted.
Typical values are at V
EE
= -48V, T
A
= +25°C.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Circuit-Breaker Tempco
-40°C < T
A
<+85°C
6000
ppm/°C
Circuit-Breaker Glitch Rejection
t
CB_DLY
1.0
1.2
1.6
ms
T
A
= +85°C
118
140
162
T
A
= +25°C
85
100
115
T
A
= -10°C
64
79
94
MAX5936LA/
MAX5936AA/
MAX5937LA/
MAX5937AA
T
A
= -40°C
62
T
A
= +85°C
244
284
324
T
A
= +25°C
180
200
220
T
A
= -10°C
135
158
181
MAX5936LB/
MAX5936AB/
MAX5937LB/
MAX5937AB
T
A
= -40°C
124
T
A
= +85°C
485
568
651
T
A
= +25°C
355
400
445
T
A
= -10°C
270
316
362
Circuit-Breaker Threshold
V
CB
MAX5936LC/
MAX5936AC/
MAX5937LC/
MAX5937AC
T
A
= -40°C
248
mV
T
A
= +85°C
220
280
340
T
A
= +25°C
160
200
240
T
A
= -10°C
111
158
205
MAX5936LA/
MAX5936AA/
MAX5937LA/
MAX5937AA
T
A
= -40°C
124
T
A
= +85°C
470
568
667
T
A
= +25°C
350
400
450
T
A
= -10°C
255
316
377
MAX5936LB/
MAX5936AB/
MAX5937LB/
MAX5937AB
T
A
= -40°C
248
T
A
= +85°C
962
1136
1310
T
A
= +25°C
700
800
900
T
A
= -10°C
510
632
754
Short-Circuit Threshold
V
SC
MAX5936LC/
MAX5936AC/
MAX5937LC/
MAX5937AC
T
A
= -40°C
496
mV
Short-Circuit Response Time
(Note 5)
150mV overdrive, C
LOAD
= 0,
to GATE below 1V
330
500
ns
INPUT-VOLTAGE-STEP PROTECTION
Input-Voltage-Step Detection
Threshold
STEP
TH
1.219
1.250
1.281
V
Input-Voltage-Step Threshold
Offset Current
I
STEP_OS
-10.8
-10.0
-9.2
µA
LOAD-PROBE CIRCUIT
Load-Probe Switch On-Resistance
V
LP
- V
EE
= 1V
7.5
11
Ω
Load-Probe Timeout
t
LP
80
220
380
ms
Load-Probe Retry Time
t
LP_OFF
16 x
t
LP
s
Load-Probe Voltage Threshold
V
THSC-DET
Referenced to GND
-220
-200
-180
mV