參數(shù)資料
型號： MAX824ZEXK-T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 電源管理
英文描述： Analog IC
中文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO5
封裝： SC-70, 5 PIN
文件頁數(shù)： 3/16頁
文件大?。?/td> 272K
代理商： MAX824ZEXK-T
M
_______________________________________________________________________________________
3
Microprocessor and Nonvolatile
Memory Supervisory Circuits
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 2.75V to 5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
PARAMETER
CONDITIONS
ms
MIN
TYP
MAX
UNITS
μA
LOWLINE
Short-Circuit Current
WATCHDOG FUNCTION
Output source current, V
CC
= 5.5V
10
50
SWT connected to V
CC
, V
CC
= 5V
SWT connected to V
CC
, V
CC
= 3V
4.7nF capacitor connected from SWT to GND,
V
CC
= 3V
1.00
1.00
1.60
1.60
2.25
2.25
70
Watchdog Timeout Period
4.7nF capacitor connected from SWT to GND,
V
CC
= 5V
MAX792/MAX820L/M
MAX792/MAX820R/S/T
MAX792, V
CC
= 5V OR V
CC
= 3V
MAX820, V
CC
= 5V OR V
CC
= 3V
100
sec
50
40
1.25
1.274
120
100
1.30
1.30
210
210
1.35
1.326
Low-Line Threshold Voltage
(Internal Threshold Mode)—V
TH
V
CC
= 5V
V
CC
= 3V
mV
100
300
Watchdog Input Pulse Width
V
IL
= 0V, V
IH
= V
CC
Low-Line Threshold Voltage
(External Programming Mode)
ns
V
Low-Line Hysteresis
(Internal Threshold Mode)
I
SINK
= 50μA, V
CC
= 1V, V
CC
falling
I
SINK
= 1.6mA
I
SOURCE
= 1mA
I
SOURCE
= 100μA
20
mV
0.01
0.1
0.30
0.4
V
CC
- 1
V
CC
- 0.5
WDO
Output Voltage
V
I
SOURCE
= 100μA
WDPO
to
WDO
Delay
WDPO
Duration
70
1.7
0.01
0.1
ns
ms
0.5
6.0
0.3
0.4
I
SINK
= 50μA, V
CC
= 1V, V
CC
falling
I
SINK
= 1.6mA
I
SOURCE
= 1mA
V
IH
V
IL
V
IH
V
IL
V
CC
- 1
V
CC
- 0.5
0.75 x V
CC
WDPO
Output Voltage
V
V
CC
= 4.25V
0.8
0.9 x V
CC
WDI Threshold Voltage
V
CC
= 2.55V
0.2
±1
V
WDI Input Current
μA
LLIN/REFOUT Leakage Current
External Programming Mode
±0.01
±25
nA
Low-Line Comparator Delay
V
CC
falling
I
SINK
= 3.2mA
ISOURCE
= 1μA
450
μs
0.4
LOWLINE
Voltage
V
CC
- 1
V
LOW-LINE COMPARATOR
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