A2012
| Model | A2012 |
| Description | DESIGN SHOWCASE |
| PDF file | Total 1 pages (File size: 133K) |
| Chip Manufacturer | ETC |
DESIGN SHOWCASE
)
(
)
POWER FAIL
50ms
(
)
1)
keeping)
C1
(1.15V)
IC1
150mA
10µA
(
1
)
( LBO
(
2
)
(house
LBO
R3
STBY
IC
350mV
(
)
11.5V
EDN 3/16/95
3
( LBO )
SW1
(
V
IN
5
IC1
MAX882
S1
R2
1M
1
R1
1k
POWER FAIL
R3
220k
LBO
IN
V
IN
TIMING RELATIONSHIPS
OUT
LOW-BATTERY
COMPARATOR
4
R4
1M, 0.1%
8
V
OUT
3.3V
V
OUT
LBI
POWER FAIL
ERROR
AMPLIFIER
R5
49.9k, 0.1%
SET
2
STBY
7
C1
1µF
STBY
GND
3, 6
V
REF
R6
604k, 0.1%
50ms/div
V
OUT
= 3.3V, C
OUT
= 0pF, R
L
= 2kΩ
1
S1
2
1
12
