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參數(shù)資料
| 型號： | MAX6804US29D1-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 4-Pin, Low-Power µP Reset Circuits with Manual Reset |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4 |
| 封裝： | SOT-143, 4 PIN |
| 文件頁數(shù)： | 5/8頁 |
| 文件大小： | 155K |
| 代理商： | MAX6804US29D1-T |
4-Pin, Low-Power
P Reset Circuits with Manual Reset
_______________________________________________________________________________________
5
MAX6803/MAX6804/MAX6805
VCC
GND
MAX6804
RESET
MR
100k
(a)
VCC
GND
MAX6803
RESET
100k
*
(b)
*ASSUMES HIGH-Z RESET INPUT TO THE
P
MR
Figure 2. Ensuring Reset Valid down to VCC = 0
Ps and circuitry do not operate when VCC drops below
1V. For the MAX6804 application where RESET must be
valid down to 0, adding a pulldown resistor between
RESET and GND removes stray leakage currents, hold-
ing RESET low (Figure 2a). The pulldown resistor value
is not critical; 100k
is large enough not to load RESET,
and small enough to pull it low. For the MAX6803, where
RESET must be valid to VCC = 0, a 100k
pullup resistor
between RESET and VCC will hold RESET high when
VCC falls below 0.7V (Figure 2b).
Since the MAX6805 has an open-drain, active-low out-
put, it typically uses a pullup resistor. With this device,
RESET will most likely not maintain an active condition,
but will drift to a non-active level due to the pullup
resistor and the reduced sinking capability of the open-
drain device. Therefore, this device is not recommend-
ed for applications where the RESET pin is required to
be valid down to VCC = 0.
1
2
4
3
VCC
MR
(RESET)
GND
MAX6803
MAX6804
MAX6805
SOT143
TOP VIEW
RESET
( ) ARE FOR MAX6803
MAX6804
VCC
RESET
MR
RESET
GND
PUSHBUTTON
SWITCH
VCC
GND
P
Pin Configuration
Typical Operating Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6804US29D2 | 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product |
| MAX6804US29D2+ | 制造商:Maxim from Components Direct 功能描述:MAXIM MAX6804US29D2+ PROCESSOR SUPERVISORS - Tape and Reel 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 2.93V 5UA 4PIN SOT-143 - Cut Tape Product 制造商:Maxim 功能描述:Maxim MAX6804US29D2+ Processor Supervisors |
| MAX6804US29D2+T | 功能描述:監(jiān)控電路 Single uPower 4-Pin Reset Circuit RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(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 |
| MAX6804US29D2-T | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(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 |
| MAX6804US29D3 | 制造商:Maxim Integrated Products 功能描述:4-PIN, LOW-POWER MICROPROCESSOR RESET CIRCUIT 4 PINS SOT PKG - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
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