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參數(shù)資料
| 型號(hào)： | MAX6886ETP |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 電源管理 |
| 英文描述： | Pin-Selectable, Hex Power-Supply Supervisory Circuit |
| 中文描述： | 6-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC20 |
| 封裝： | 5 X 5 MM, 0.8 MM HEIGHT, TQFN-20 |
| 文件頁(yè)數(shù)： | 6/14頁(yè) |
| 文件大?。?/td> | 226K |
| 代理商： | MAX6886ETP |
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M
Pin-Selectable, Hex Power-Supply
Supervisory Circuit
6
_______________________________________________________________________________________
Pin Description (continued)
PIN
4
NAME
GND
FUNCTION
Ground
Watchdog Timer Input. Logic input for the watchdog timer function. If WDI is not strobed with a valid
low-to-high or high-to-low transition within the selected timeout period,
RESET
asserts. WDI is
internally pulled down to GND through a 10μA current sink.
Active-Low Manual Reset Input. Pull
MR
low to assert
RESET
.
RESET
will remain asserted for its
preset/adjustable reset timeout period when
MR
is driven high. Leave
MR
unconnected or connect to
DBP if unused.
MR
is internally pulled up to DBP through a 10μA current source.
Margin Input. When
MARGIN
is pulled low,
RESET
is held in its existing state independent of
subsequent changes in monitored input voltages or the watchdog timer expiration.
MARGIN
is
internally pulled up to DBP through a 10μA current source.
MARGIN
overrides
MR
if both are asserted
at the same time.
Threshold Selection Input 4. Logic input to select desired threshold. Connect TH4 to GND or DBP.
See Table 2 for available thresholds. Input has no internal pullup or pulldown.
Threshold Selection Input 3. Logic input to select desired threshold. Connect TH3 to GND or DBP.
See Table 2 for available thresholds. Input has no internal pullup or pulldown.
Threshold Selection Input 2. Logic input to select desired threshold. Connect TH2 to GND or DBP.
See Table 2 for available thresholds. Input has no internal pullup or pulldown.
Threshold Selection Input 1. Logic input to select desired threshold. Connect TH1 to GND or DBP.
See Table 2 for available thresholds. Input has no internal pullup or pulldown.
Threshold Selection Input 0. Logic input to select desired threshold. Connect TH0 to GND or DBP.
See Table 2 for available thresholds. Input has no internal pullup or pulldown.
Internal Power-Supply Voltage. Bypass V
CC
to GND with a 1μF ceramic capacitor as close to the
device as possible. V
CC
supplies power to the internal circuitry. V
CC
is internally powered from the
highest of the monitored IN1–IN4 voltages. Do not use V
CC
to supply power to external circuitry. To
externally supply V
CC
, see the
Powering the MAX6886
section.
Digital Bypass Voltage. The internally generated voltage at DBP supplies power to internal logic and
output
RESET
. Connect a 1μF capacitor from DBP to GND as close to the device as possible. Do not
use DBP to supply power to external circuitry.
Input Voltage Detector 6. Select the undervoltage threshold using TH0–TH4. See Table 2. IN6 cannot
supply power to the device. For improved noise immunity, bypass IN6 to GND with a 0.1μF capacitor
installed as close to the device as possible.
Input Voltage Detector 5. Select the undervoltage threshold using TH0–TH4. See Table 2. IN5 cannot
supply power to the device. For improved noise immunity, bypass IN5 to GND with a 0.1μF capacitor
installed as close to the device as possible.
Input Voltage Detector 4. Select the undervoltage threshold using TH0–TH4. See Table 2. For
improved noise immunity, bypass IN4 to GND with a 0.1μF capacitor installed as close to the device
as possible. Power the device through IN1–IN4 or V
CC
(see the
Powering the MAX6886
section).
Input Voltage Detector 3. Select the undervoltage threshold using TH0–TH4. See Table 2. For
improved noise immunity, bypass IN3 to GND with a 0.1μF capacitor installed as close to the device
as possible. Power the device through IN1–IN4 or V
CC
(see the
Powering the MAX6886
section).
Input Voltage Detector 2. Select the undervoltage threshold using TH0–TH4. See Table 2. For
improved noise immunity, bypass IN2 to GND with a 0.1μF capacitor installed as close to the device
as possible. Power the device through IN1–IN4 or V
CC
(see the
Powering the MAX6886
section).
Input Voltage Detector 1. Select the undervoltage threshold using TH0–TH4. See Table 2. For
improved noise immunity, bypass IN1 to GND with a 0.1μF capacitor installed as close to the device
as possible. Power the device through IN1–IN4 or V
CC
(see the
Powering the MAX6886
section).
Exposed Paddle. Internally connected to GND. Connect EP to GND or leave floating.
5
WDI
6
MR
7
MARGIN
8
TH4
9
TH3
10
TH2
11
TH1
12
TH0
13
V
CC
14
DBP
15
IN6
16
IN5
17
IN4
18
IN3
19
IN2
20
IN1
—
EP
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6886ETP+ | 功能描述:監(jiān)控電路 Pin-Selectable Hex Power-Sup 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 |
| MAX6886ETP+T | 功能描述:監(jiān)控電路 Pin-Selectable Hex Power-Sup 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 |
| MAX6886ETP-T | 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 |
| MAX6887AETE | 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 |
| MAX6887AETE+ | 功能描述:監(jiān)控電路 Hex Power-Supply 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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