MAX16039 Maxim Integrated Products, MAX16039 Datasheet - Page 4

• Manufacturer Part Number: MAX16039
• Description: (MAX16033 - MAX16040) Low-Power Battery Backup Circuits
• Manufacturer: Maxim Integrated Products

w w w . D a t a S h e e t 4 U . c o m
Low-Power Battery Backup
Circuits in Small µDFN Packages
ELECTRICAL CHARACTERISTICS (continued)
(V
+25°C.) (Note 1)
4
Note 1: All devices are 100% production tested at T
Note 2: V
Note 3: Positive current flows into BATT.
Note 4: Guaranteed by design.
WATCHDOG (MAX16034/MAX16038)
Watchdog Timeout Period
M i ni m um WD I Inp ut P ul se W i d th
WDI Input Voltage
WDI Input Current
BATTON (MAX16035/MAX16039)
Output Voltage
Output Short-Circuit Current
RESETIN (MAX16036/MAX16040)
RESETIN Threshold
RESETIN Input Current
RESETIN to Reset Delay
CHIP-ENABLE GATING (MAX16033–MAX16036)
CEIN Leakage Current
CEIN to CEOUT Resistance
CEOUT Short-Circuit Current
CEIN to CEOUT Propagation
Delay (Note 4)
CEOUT Output-Voltage High
RESET to CEOUT Delay
CC
_______________________________________________________________________________________
= 2.25V to 5.5V, V
PARAMETER
BATT
can be 0V any time, or V
BATT
= 3V, RESET not asserted, T
SYMBOL
V
t
V
t
V
WDI
V
WD
RTH
OL
CC
IH
IL
can go down to 0V if V
(Note 4)
I
Sink current, V
Source current, V
(V
RESET asserted
RESET not asserted, V
V
RESET asserted, V
50Ω source impedance driver,
C
V
V
SINK
CEIN
CC
CC
LOAD
RTH
A
= 5V, V
= 0V, V
= 3.2mA, V
= +25°C. All overtemperature limits are guaranteed by design.
+ 100mV) to (V
= V
= 50pF
CC
A
CC
BATT
= -40°C to +85°C, unless otherwise noted. Typical values are at T
/ 2, I
CC
> V
CONDITIONS
BATT
BATT
> 2.2V, I
BATT
SINK
= 5V
CEOUT
BATT
RTH
= 2.1V
> 2V
CC
= 10mA
is active (except at startup).
, I
SOURCE
- 100mV)
= V
SOURCE
= 0V
TH(MAX),
V
V
= 100µA
= 1µA
CC
CC
= 4.75V
= 3.15V
V
1.185
0.7 x
0.7 x
1.00
- 0.1
MIN
V
V
100
-1.0
BATT
10
CC
CC
1.235
TYP
1.65
0.01
1.5
1.5
60
30
1
2
1
1.285
MAX
0.3 x
+1.0
2.25
V
120
100
0.4
2.0
25
±1
CC
7
9
UNITS
mA
mA
µA
µA
nA
µA
ns
µs
ns
µs
Ω
V
V
V
V
s
A
=