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參數(shù)資料
| 型號(hào)： | MAX808NMJA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Interface IC |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, CDIP8 |
| 封裝： | 0.300 INCH, CERDIP-8 |
| 文件頁(yè)數(shù)： | 6/12頁(yè) |
| 文件大?。?/td> | 91K |
| 代理商： | MAX808NMJA |
M
8-Pin μP S upervisory Circ uits
with ±1.5% Reset Ac c urac y
6
_______________________________________________________________________________________
0
2
4
6
8
10
12
14
16
2.5
2.6
2.7
2.8
2.9
3.0
BATTERY CURRENT
vs. INPUT SUPPLY VOLTAGE
M
V
CC
(V)
B
μ
A
1000
100
10
1
1
100
10
1000
V
CC
to OUT VOLTAGE vs.
OUTPUT CURRENT
M
I
OUT
(mA)
V
C
O
V
SLOPE = 1.0
1000
100
10
1
10
100
BATT
to OUT VOLTAGE vs.
OUTPUT CURRENT
M
I
OUT
(mA)
V
B
T
O
V
V
= 0V
SLOPE = 12
1000
100
10
1
1
100
10
1000
MAXIMUM TRANSIENT DURATION vs.
RESET THRESHOLD OVERDRIVE
M
RESET THRESHOLD OVERDRIVE (mV)
M
μ
s
RESET OCCURS
____________________________Typic al Operating Charac teristic s (c ontinued)
(V
CC
= 5V, V
BATT
= 2.8V, no load, T
A
= +25°C, unless otherwise noted.)
______________________________________________________________Pin Desc ription
RESET
LOWLINE
V
CC
Active-Low Reset Output.
RESET
is triggered and stays low when V
CC
is below the reset
threshold (or during a watchdog timeout for the MAX801). It remains low 200ms after
V
CC
rises above the reset threshold (or 200ms after the watchdog timeout occurs).
RESET
has a strong pull-down but a relatively weak pull-up, and can be wire-OR con-
nected to logic gates. Valid for V
CC
≥
1V.
RESET
swings between V
CC
and GND.
3
3
NAME
Low-Line Comparator Output. This CMOS-logic output goes low when V
CC
falls to 52mV
above the reset threshold. Use
LOWLINE
to generate an NMI, initiating an orderly shut-
down routine when V
CC
is falling.
LOWLINE
swings between V
CC
and GND.
2
2
Input Supply Voltage, nominally +5V. Bypass with a 0.1μF capacitor to GND.
1
1
MAX801
MAX808
FUNCTION
PIN
GND
Ground
4
4
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