Datasheet

MAX6884/MAX6885
EEPROM-Programmable, Hex
Power-Supply Supervisory Circuits
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN1
–V
IN4
or V
CC
= 2.7V to 5.8V, AUXIN = WDI = GND, MARGIN = MR = DBP, T
A
= -40°C to +85°C, unless otherwise noted. Typical
values are at T
A
= +25°C.) (Notes 1, 2, 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Threshold Hysteresis
V
TH-HYST
0.3
% V
TH
Threshold Tempco
∆V
TH
/°C
10
ppm/°C
Threshold Differential Nonlinearity
V
TH
DNL
-1 +1 LSB
IN_ Input Impedance R
IN
For V
IN_
< highest of V
IN1–IN4
and
V
IN_
< V
CC
130 200 300
kΩ
IN_ Input Leakage Current I
IN_LKG
IN_ high impedance
-150 +150
nA
Power-Up Delay t
D-PO
V
CC
≥ V
UVLO
2.5 ms
IN_ to RESET or UV/OV Delay t
D-R
IN_ falling/rising, 100mV overdrive 20 µs
000
0.025
001
1.406 1.5625 1.719
010
5.625 6.25 6.875
011
22.5
25
27.5
100 45 50 55
101
180 200 220
110
360 400 440
RESET and UV/OV Timeout
Period (Tables 6 and 7)
t
RP
, t
UP
111
1440 1600 1760
ms
RES ET, U V/O V, W DO Outp ut Low
I
SINK
= 4mA, output asserted 0.4 V
RESET, UV/OV, WDO Output
Open-Drain Leakage Current
Output high impedance -1 +1 µA
RESET, UV/OV, WDO Output
Pullup Resistance
R
PU
V
RESET
, V
UV/OV
, V
WDO
= 2V 6.6 10
15.0
kΩ
V
IL
0.6
MR, MARGIN, WDI Input Voltage
V
IH
1.4
V
MR Input Pulse Width t
MR
1µs
MR Glitch Rejection
100
ns