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參數(shù)資料
| 型號(hào)： | MIC2775-XXBM5 |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | Micro-Power Voltage Supervisor Advance Information |
| 中文描述： | 微功率電壓監(jiān)控進(jìn)展信息 |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大?。?/td> | 365K |
| 代理商： | MIC2775-XXBM5 |
September 29, 2000
1
MIC2775
MIC2775
Micrel
MIC2775
Micro-Power Voltage Supervisor
Advance Information
General Description
The MIC2775 is a power supply supervisor that provides
under-voltage monitoring, manual reset capability, and power-
on reset generation in a compact 5-pin SOT package. Fea-
tures include an under-voltage detector, a delay generator, a
manual reset input, and both active-high and active-low reset
outputs. The under-voltage detector compares V
DD
against
a fixed threshold. Ten factory-programmed thresholds are
available.
The reset outputs are asserted for no less than 140ms at
power-on and any time the input voltage drops below the
reference voltage. It remains asserted for the timeout period
after the input voltage subsequently rises back above the
threshold boundary. A reset can be generated at any time by
asserting the manual reset input, /MR. This reset output will
remain active at least 140ms after the release of /MR. The
/MR input can also be used to daisy-chain the MIC2775 onto
existing power monitoring circuitry or other supervisors.
Hysteresis is included to prevent chattering due to noise.
Typical supply current is a low 3.5
μ
A.
Typical Application
RST
/RST
VDD
/MR
GND
MIC2775-17
VDD
OTHER
LOGIC
/RESET
GND
MICROPROCESSOR
Manual
Reset
1.8V
Features
Monitors power supply for under-voltage conditions
Choice of factory-programmed thresholds
Generates 140ms (minimum) power-on RESET pulse
Manual reset capability
Both active-high and active-low RESET outputs
/RST output valid down to 1.2V
Ultra-low supply current, 3.5
μ
A typical
Rejects brief input transients
No external components
Pin compatible upgrade for MAX825
IttyBitty 5-lead SOT-23 package
Applications
Monitoring processor core and input/output voltages
Computer systems
PDAs, hand-held PCs
Embedded controllers
Telecommunications systems
Power supplies
Micrel, Inc. 1849 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 944-0970 http://www.micrel.com
IttyBitty is a trademark of Micrel, Inc.
Ordering Information
Part Number
MIC2775-XXBM5
Marking
UJXX
Junction Temp. Range
–40
°
C to +85
°
C
Package
SOT-23-5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC2776H-BM5 TR | 功能描述:IC SUPERVISOR MICROPOWER SOT23-5 RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開(kāi)路漏極或開(kāi)路集電極 復(fù)位:低有效 復(fù)位超時(shí):標(biāo)準(zhǔn)傳輸延遲為 60 µs 電壓 - 閥值:3V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:Digi-Reel® 其它名稱(chēng):LM8364BALMF30DKR |
| MIC2776H-YM5 TR | 功能描述:監(jiān)控電路 Adjustable Voltage Supervisor with 0.3V Threshold, Manual Reset and Active-High Push-Pull Output in SOT23-5 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 |
| MIC2776H-YM5TR | 制造商:Micrel Inc 功能描述: |
| MIC2776H-YM5-TR | 功能描述:Supervisor Complementary 1 Channel SOT-23-5 制造商:microchip technology 系列:- 包裝:剪切帶（CT） 零件狀態(tài):停產(chǎn) 類(lèi)型:簡(jiǎn)單復(fù)位/加電復(fù)位 受監(jiān)控電壓數(shù):1 輸出:補(bǔ)充型 復(fù)位:高有效 復(fù)位超時(shí):最小為 140 ms 電壓 - 閾值:可調(diào)節(jié)/可選擇 工作溫度:-40°C ~ 85°C（TA） 安裝類(lèi)型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商器件封裝:SOT-23-5 標(biāo)準(zhǔn)包裝:1 |
| MIC2776L-BM5 TR | 功能描述:IC SUPERVISOR MICROPOWER SOT23-5 RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開(kāi)路漏極或開(kāi)路集電極 復(fù)位:低有效 復(fù)位超時(shí):標(biāo)準(zhǔn)傳輸延遲為 60 µs 電壓 - 閥值:3V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:Digi-Reel® 其它名稱(chēng):LM8364BALMF30DKR |
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