參數(shù)資料
型號(hào)： MAX6885ETP+T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： 電源管理
英文描述： EEPROM-Programmable, Hex, Power-Supply Supervisors with an ADC
中文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC20
封裝： 5 X 5 MM, 0.80 MM PITCH, MO-220WHHC, QFN-20
文件頁(yè)數(shù)： 9/34頁(yè)
文件大小： 402K
代理商： MAX6885ETP+T
Programmable Outputs
The MAX6884/MAX6885 feature three programmable
active-low outputs: RESET, UV/OV, and WDO. Program
each output for open-drain or weak pullup. An internal
10k
resistor connected from each output to a 2.55V
internal LDO provides a weak pullup. During power-up,
the outputs are held low for 1V < VCC < VUVLO. Any
output programmed to depend on no condition always
remains in its active state. For example, if the state of
UV/OV is not programmed to depend on any condition,
UV/OV will always be low. Figure 3 shows a timing dia-
gram of a typical relationship between a monitored
input voltage and outputs RESET and UV/OV. RESET
and UV/OV are a function of only IN1.
RESET
Program RESET to depend on MR, UV/OV, WDO, or
any programmable primary voltage-detector input (see
Table 6). As an example, RESET may depend on the
IN3 primary undervoltage threshold, MR, UV/OV, and
WDO. Write 1’s to R11h[1:0], R11h[4], and R12h[7] to
configure as indicated. IN3 must be above the under-
voltage threshold, MR must be high, UV/OV must be
deasserted, and WDO must be deasserted to be a
logic “1,” then RESET deasserts. The logic state of
RESET, in this example, is equivalent to the logical
statement:
IN3 MR UV/OV WDO
RESET remains low for its programmed timeout period
(tRP) after all assertion-causing conditions are
removed. Program timeout periods for RESET from
25s to 1600ms (see Table 6). Configure RESET for
open-drain or weak pullup through bit R12h[0].
MAX6884/MAX6885
EEPROM-Programmable, Hex
Power-Supply Supervisory Circuits
______________________________________________________________________________________
17
SECONDARY
THRESHOLD
(OVERVOLTAGE)
PRIMARY
THRESHOLD
UV/OV
RESET
VIN1
tUP
tRP
Figure 3. Output Timing Diagram
相關(guān)PDF資料
PDF描述
MAX6884ETP+ EEPROM-Programmable, Hex, Power-Supply Supervisors with an ADC
MAX6885ETP+ EEPROM-Programmable, Hex, Power-Supply Supervisors with an ADC
MAX6886ETP+ Pin-Selectable, Hex Power-Supply Supervisory Circuit
MAX6886ETP+T Pin-Selectable, Hex Power-Supply Supervisory Circuit
MAX6887AETE+ Hex/Quad, Power-Supply Supervisory Circuits
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 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+ 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
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*