參數(shù)資料
型號(hào)： TC1271ARVCTTR
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
封裝： LEAD FREE, PLASTIC, SOT-23, 5 PIN
文件頁(yè)數(shù)： 45/48頁(yè)
文件大小： 541K
代理商： TC1271ARVCTTR
TC1270A/70AN/71A
DS22035D-page 6
2007-2011 Microchip Technology Inc.
TIMING DIAGRAMS AND SPECIFICATIONS
MR Pin and Reset Pin Waveform
Device Voltage and Reset Pin (Active Low) Waveform
Reset and Device Reset Timer Requirements
Electrical Characteristics: Unless otherwise noted, VDD = 5V for L/M versions, VDD = 3.3V for T/S versions,
VDD = 3V for R version, TA = -40°C to +125°C. Typical values are at TA = +25°C.
Parameter
Sym
Min
Typ(1)
Max
Units
Test Conditions
V
DD to Reset Delay
tRD
—50
—
s
VDD = VTRIP(MAX) to
VTRIP(MIN) –125 mV
Reset Active
Time Out
Period
TC127XAxBVyy(3)
tRST
1.09
2.19
4.38
ms
VDD = VTRIP(MAX)
TC127XAxAVyy(3)
17.5
35
70
ms
VDD = VTRIP(MAX)
TC127XAxVyy(3)
140
280
560
ms
VDD = VTRIP(MAX)
MR Minimum Pulse Width
tMR
10
—
s
MR Noise Immunity
tMRNI
—0.1
—
s
MR to Reset Propagation Delay
tMD
—0.2
—
s
Note 1:
Unless otherwise stated, data in the Typical (“Typ”) column is at 5V, +25
C.
2:
RST output for TC1270A, RST output for TC1271A.
3:
TC127XA refers to the TC1270A, TC1270AN or TC1271A device.
“x” indicates the selected voltage trip point, while “yy” indicates the package code.
MR
RST
tRST
tMR
RST
tMD
tMRNI
VTRIP(MAX)
VTRIP(MIN)
1V
VDD
VTRIP
tRST
RST(1)
RST
tRST
tRD
VDD < 1V is outside the device operating specification. The RST (or RST) output state is unknown while VDD < 1V.
Note 1:
The TC1270AN requires an external pull-up resistor.
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TC1271ARVRCTR 功能描述:監(jiān)控電路 4Pin uP Reset Mon 4.63V Reset Thresh 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
TC1271ASBVCTTR 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Voltage Supervisor with Manual Reset Input
TC1271ASBVRCTR 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Voltage Supervisor with Manual Reset Input
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TC1271ASCVRCTR 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Voltage Supervisor with Manual Reset Input
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