Electrical characteristics (continued) – Rainbow Electronics MAX16040 User Manual
Page 3
MAX16033–MAX16040
Low-Power Battery Backup
Circuits in Small µDFN Packages
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 2.25V to 5.5V, V
BATT
= 3V, RESET not asserted, 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
RESET OUTPUT
MAX160_ _ _L_46
4.50
4.63
4.75
MAX160_ _ _L_44
4.25
4.38
4.50
MAX160_ _ _L_31
3.00
3.08
3.15
MAX160_ _ _L_29
2.85
2.93
3.00
MAX160_ _ _L_26
2.55
2.63
2.70
Reset Threshold
V
TH
MAX160_ _ _L_23
2.25
2.32
2.38
V
V
CC
Falling Reset Delay
V
CC
falling at 10V/ms
25
µs
Reset Active Timeout Period
t
RP
140
280
ms
I
SINK
= 1.6mA, V
CC
>
2.1V
0.3
RESET Output Low Voltage
V
OL
RESET asserted
I
SINK
= 100µA, V
CC
>
1.2V
0.4
V
RESET Output High Voltage
V
OH
MAX160_ _L only (push-pull), RESET not
asserted, I
SOURCE
= 500µA, V
CC
>
V
TH(MAX)
0.8 x
V
CC
V
RESET Output Leakage
Current
I
LKG
MAX160_ _P only (open drain), not asserted
1
µA
POWER-FAIL COMPARATOR
PFI Input Threshold
V
PFI
V
PFI
falling
1.185
1.235
1.285
V
PFI Hysteresis
1
%
PFI Input Current
V
PFI
= 0V or V
CC
-100
+100
nA
V
CC
> 2.1V, I
SINK
= 1.6mA
0.3
PFO Output Low Voltage
V
OL
O utp ut asser ted
V
CC
> 1.2V, I
SINK
= 100µA
0.4
V
PFO Output High Voltage
V
OH
MAX160_ _L only (push-pull), V
CC
> V
TH(MAX)
,
I
SOURCE
= 500µA, output not asserted
0.8 x
V
CC
V
PFO Leakage Current
MAX160_ _P only (open drain), V
PFO
= 5.5V,
not asserted
1
µA
PFO Delay Time
V
PFI
+ 100mV to V
PFI
- 100mV
4
µs
MANUAL RESET (MAX16033/MAX16037)
V
IL
0.3 x
V
CC
MR Input Voltage
V
IH
0.7 x
V
CC
V
Pullup Resistance to V
CC
20
165
k
Ω
Minimum Pulse Width
1
µs
Glitch Immunity
V
CC
= 3.3V
100
ns
MR to Reset Delay
120
ns