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參數(shù)資料
| 型號(hào)： | MAX805REPA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 3.0V/3.3V Microprocessor Supervisory Circuits |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDIP8 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-8 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 98K |
| 代理商： | MAX805REPA |
V
M
Mic roproc essor S upervisory Circ uits
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RESET Output Voltage
MAX805LC, I
SOURCE
= 4μA, V
CC
= 1.1V
MAX805LE/M, I
SOURCE
= 4μA, V
CC
= 1.2V
MAX805L, I
SOURCE
= 800μA
MAX805L, I
SINK
= 3.2mA
0.8
0.9
V
CC
- 1.5
0.4
2.25
Watchdog Timeout
WDI Pulse Width
t
WD
t
WP
1.00
50
1.60
sec
ns
PFO
Output Voltage
I
SOURCE
= 800μA
I
SINK
= 3.2mA
V
CC
- 1.5
V
0.4
Note 2:
Either V
or V
can go to 0V, if the other is greater than 2.0V.
Note 3:
"-" = battery-charging current, "+" = battery-discharging current.
Note 4:
WDI is guaranteed to be in an intermediate, non-logic level state if WDI is floating and V
CC
is in the operating voltage range.
WDI is internally biased to 35% of V
CC
with an input impedance of 50k
.
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 4.75V to 5.5V for MAX690A/MAX802L/MAX805L, V
CC
= 4.5V to 5.5V for MAX692A/MAX802M, V
BATT
= 2.8V,
T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
WDI = 0V
MAX69_A, MAX805L, V
CC
= 5V
MAX802_C/E, V
CC
= 5V
-150
1.20
1.225
-25
-50
1.25
1.250
0.01
V
WDI Input Current
WDI = V
CC
50
150
3.5
μA
WDI Input Threshold (Note 4)
V
CC
= 5V
0.8
V
V
IL
= 0.4V, V
IH
= (0.8) (V
CC
)
Logic low
Logic high
1.30
1.275
25
PFI Input Threshold
PFI Input Current
nA
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