MAX16033 Datasheet, PDF (18/21 Pages) Maxim Integrated Products – Low-Power Battery Backup Circuits in Small μDFN Packages

Low-Power Battery Backup
Circuits in Small µDFN Packages
Typical Operating Circuit
2.4V TO 5.5V
0.1µF
ADDITIONAL
DC VOLTAGE
V_CC
BATT
OUT
R3
R4
ADDITIONAL
DC VOLTAGE
R1
R2
MAX16033–
MAX16040
RESETIN*
PFI
CEIN**
RESET
PFO
WDI***
CEOUT**
GND
* RESETIN APPLIES TO MAX16035/MAX16039 ONLY.
**CEIN AND CEOUT APPLY TO MAX16033–MAX16036 ONLY.
***WDI APPLIES TO MAX16034/MAX16038 ONLY.
CMOS
RAM
CE
0.1µF
ADDRESS
DECODE
REAL-
TIME
CLOCK
A0–A15
RESET
I/O
µP
I/O
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