Typical operating characteristics, Electrical characteristics (continued) – Rainbow Electronics MAX4987BE User Manual
Page 3
MAX4987AE/MAX4987BE
Overvoltage-Protection Controller
with USB ESD Protection
_______________________________________________________________________________________
3
Note 2: All timing is specified using 20% and 80% levels, unless otherwise noted.
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= +2.2V to +28V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
IN
= +5V and T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
TIMING CHARACTERISTICS (Note 2)
Debounce Time
t
INDBC
Time from V
UVLO
< V
IN
< V
OVLO
to
charge-pump enable
30
ms
ACOK Assertion Time
t
ACOK
V
UVLO
< V
IN
< V
OVLO
, to
ACOK low
30
ms
Switch Turn-On Time
t
ON
V
UVLO
< V
IN
< V
OVLO
, R
LOAD
= 100
Ω,
from 10% to 90% of V
OUT
3
ms
Switch Turn-Off Time
t
OFF
V
IN
< V
UVLO
or V
IN
> V
OVLO
to internal
switch off, R
LOAD
= 100
Ω
10
µs
Current-Limit Turn-Off Time
t
BLANK
Overcurrent fault to internal switch off
10
µs
Autoretry Time
t
RETRY
From overcurrent fault to internal switch
turn-on
30
ms
THERMAL PROTECTION
Thermal Shutdown
T
SHDN
150
°C
Thermal-Shutdown Hysteresis
40
°C
ESD PROTECTION
Human Body Model
±15
IEC 61000-4-2 Air Gap
±15
CD+ and CD-
IEC 61000-4-2 Contact
±6
kV
All Other Pins
Human Body Model
±2
kV
IN SUPPLY CURRENT
vs. IN VOLTAGE
MAX4987AE/BE toc01
0
10
30
20
60
70
50
40
80
IN SUPPLY CURRENT (
μ
A)
2
10
14
6
18
22
26
IN VOLTAGE (V)
MAX4987AE
0
60
40
20
80
100
120
140
160
180
200
-40
10
-15
35
60
85
SWITCH ON-RESISTANCE
vs. TEMPERATURE
MAX4987AE/BE toc02
TEMPERATURE (
°C)
R
ON
(m
Ω
)
0.990
0.996
0.994
0.992
0.998
1.000
1.002
1.004
1.006
1.008
1.010
-40
10
-15
35
60
85
NORMALIZED UVLO THRESHOLD
vs. TEMPERATURE
MAX4987AE/BE toc03
TEMPERATURE (
°C)
NORMALIZED UVLO THRESHOLD (V)
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)