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| 型號： | MAX6825TUK+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Low-Voltage SOT23 µP Supervisors with Manual Reset and Watchdog Timer |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 167K |
| 代理商： | MAX6825TUK+T |
MAX6821–MAX6825
Low-Voltage SOT23 P Supervisors with
Manual Reset and Watchdog Timer
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +4.5V to +5.5V for MAX682_L/M, VCC = +2.7V to +3.6V for MAX682_T/S/R, VCC = +2.1V to +2.75V for MAX682_Z/Y, VCC =
+1.53V to +2.0V for MAX682_W/V, TA = -40°C to +125°C, unless otherwise specified. Typical values are at TA = +25°C.) (Note 1)
Note 1: Over-temperature limits are guaranteed by design and not production tested. Devices tested at TA = +25°C.
Note 2: Guaranteed by design and not production tested.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TA = -40
°C to +85°C
140
200
280
Reset Timeout Period
tRP
TA = -40
°C to +125°C
100
320
ms
VCC
≥ 1.0V, ISINK = 50A, reset asserted,
TA = 0
°C to +85°C
0.3
VCC
≥ 1.2V, ISINK = 100A, reset asserted
0.3
VCC
≥ 2.55V, ISINK = 1.2mA, reset asserted
0.3
RESET Output LOW
(Push-Pull or Open-Drain)
VOL
VCC
≥ 4.25V, ISINK = 3.2mA, reset asserted
0.4
V
VCC
≥ 1.8V, ISOURCE = 200A, reset not
asserted
0.8 VCC
VCC
≥ 3.15V, ISOURCE = 500A, reset not
asserted
0.8 VCC
RESET Output HIGH
(Push-Pull Only)
VOH
VCC
≥ 4.75V, ISOURCE = 800A, reset not
asserted
0.8 VCC
V
Open-Drain RESET Output
Leakage Current (Note 1)
ILKG
VCC > VTH, RESET not asserted
1.0
A
VCC
≥ 1.0V, ISOURCE = 1A, reset asserted,
TA = 0
°C to +85°C
0.8 VCC
VCC
≥ 1.50V, ISOURCE = 100A, reset asserted
0.8 VCC
VCC
≥ 2.55V, ISOURCE = 500A, reset asserted
0.8 VCC
RESET Output HIGH
(Push-Pull Only)
VOH
VCC
≥ 4.25V, ISOURCE = 800A, reset asserted
0.8 VCC
V
VCC
≥ 1.8V, ISINK = 500A, reset not asserted
0.3
VCC
≥ 3.15V, ISINK = 1.2mA, reset not asserted
0.3
RESET Output LOW
(Push-Pull Only)
VOL
VCC
≥ 4.75V, ISINK = 3.2mA, reset not asserted
0.4
V
MANUAL RESET INPUT (MAX6821/MAX6822/MAX6823/MAX6825)
VIL
0.3 VCC
MR Input Voltage
VIH
0.7 VCC
V
MR Minimum Input Pulse
1s
MR Glitch Rejection
100
ns
MR to Reset Delay
200
ns
MR Pullup Resistance
25
50
75
k
WATCHDOG INPUT (MAX6821/MAX6822/MAX6823/MAX6824)
TA = -40
°C to +85°C
1.12
1.60
2.40
Watchdog Timeout Period
tWD
TA = -40
°C to +125°C
0.80
2.60
s
WDI Pulse Width (Note 2)
tWDI
50
ns
VIL
0.3 VCC
WDI Input Voltage
VIH
0.7 VCC
V
WDI = VCC, time average
120
160
WDI Input Current
IWDI
WDI = 0, time average
-20
-15
A
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