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參數(shù)資料
| 型號(hào)： | MAX794 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 3.0V/3.3V Adjustable Microprocessor Supervisory Circuits(具有可調(diào)閾值監(jiān)控器、芯片使能和支持備用電池的復(fù)位器) |
| 中文描述： | 3.0V/3.3V可調(diào)、微處理器監(jiān)控電路 |
| 文件頁(yè)數(shù)： | 5/20頁(yè) |
| 文件大?。?/td> | 211K |
| 代理商： | MAX794 |
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M
3.0V /3.3V /Adjustable Mic roproc essor
S upervisory Circ uits
_______________________________________________________________________________________
5
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
-40
100
V
CC
-TO-OUT ON-RESISTANCE
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
V
C
-
)
20
-20
0
80
40
60
I
OUT
= 30mA
V
CC
= 3.0V
V
CC
= 3.3V
V
CC
= 5V
160
140
120
100
80
60
40
-40
100
BATT-TO-OUT ON-RESISTANCE
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
B
)
20
-20
0
80
40
60
V
BATT
= 3.6V
V
BATT
= 3.0V
V
BATT
= 5V
I
OUT
= 250
μ
A
V
CC
= 0V
70
60
50
40
30
20
10
0
-40
100
V
CC
SUPPLY CURRENT vs. TEMPERATURE
(NORMAL OPERATING MODE)
M
TEMPERATURE (
°
C)
V
C
μ
A
20
-20
0
80
40
60
MAX793/4, V
CC
= 3.3V
MAX795, V
CC
= 3.3V
MAX793/4, V
CC
= 5V
V
BATT
= V
CC
= V
OUT
MAX795, V
CC
= 5V
0.10
0.08
0.06
0.04
0.02
0
-40
100
BATTERY SUPPLY CURRENT vs.
TEMPERATURE (BATTERY-BACKUP MODE)
M
TEMPERATURE (
°
C)
S
μ
A
20
-20
0
80
40
60
V
CC
= 0V
V
BATT
= 3.6V
100
90
80
70
60
50
40
30
20
10
0
-40
100
MAX793
LOWLINE-TO-RESET THRESHOLD
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
L
20
-20
0
80
40
60
V
CC
FALLING
250
200
150
100
50
0
-40
100
RESET TIMEOUT PERIOD
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
R
20
-20
0
80
40
60
V
RISING FROM
OV TO V
RST
MAX
30
25
20
15
10
5
0
-40
100
RESET COMPARATOR PROPAGATION DELAY
vs. TEMPERATURE (V
CC
FALLING)
M
TEMPERATURE (
°
C)
P
μ
s
20
-20
0
80
40
60
10
8
6
4
2
0
-40
100
MAX793/MAX794
LOWLINE COMPARATOR PROPAGATION DELAY
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
P
μ
s
20
-20
0
80
40
60
40mV OVERDRIVE
V
CC
RISING
V
CC
FALLING
1.250
1.245
1.240
1.235
1.230
-40
100
MAX793/MAX794
PFI THRESHOLD vs. TEMPERATURE
M
TEMPERATURE (
°
C)
P
20
-20
0
80
40
60
__________________________________________Typic al Operating Charac teristic s
(T
A
= +25°C, unless otherwise noted.)
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| MAX797 | Step-Down Controllers with Synchronous Rectifier for CPU Power(3.3V/5V/可調(diào),帶有同步整流器的PWM步降控制器，用于筆記本電腦) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX794CPE | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX794CPE+ | 功能描述:監(jiān)控電路 3/3.3/AdjV MPU Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX794CSE | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX794CSE+ | 功能描述:監(jiān)控電路 3/3.3/AdjV MPU Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX794CSE+T | 功能描述:監(jiān)控電路 3/3.3/AdjV MPU Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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