參數(shù)資料
型號(hào)： TPS3123J18D
廠商： Texas Instruments, Inc.
英文描述： Ultralow Voltage Processor Supervisory Circuits(電源電壓監(jiān)視1.8V,門限電壓1.62V,極低電壓微處理監(jiān)控電路)
中文描述： 超低電壓處理器監(jiān)控電路（1.8V的電源電壓監(jiān)視，門限電壓1.62V，極低電壓微處理監(jiān)控電路）
文件頁(yè)數(shù)： 7/13頁(yè)
文件大?。?/td> 234K
代理商： TPS3123J18D
TPS3123-xx, TPS3124-xx, TPS3125-xx, TPS3126-xx, TPS3128-xx
ULTRA-LOW VOLTAGE PROCESSOR SUPERVISORY CIRCUITS
SLVS227A – AUGUST 1999 – REVISED DECEMBER 2000
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
k
MR pullup resistor (internal)
27
IIH
High level input current
High-level input current
WDI
WDI = VDD = 3.3 V
MR = 0.7
×
VDD,
WDI = 0 V,
–1
1
μ
A
MR
VDD = 3.3 V
VDD = 3.3 V
VDD = 3.3 V
–20
–55
IIL
Low level input current
Low-level input current
WDI
–1
1
μ
A
MR
MR = 0 V,
–80
–170
IOH
High-level output current
TPS3126–xx,
TPS3128–xx
VDD = VOH = 3.3 V
200
nA
RESET
VDD = 1.5 V,
VDD = 3.3 V,
VDD = 0.75 V,
VDD = 1.5 V,
VDD = 0.75 V,
VDD = 1.5 V,
VDD = 1.5 V,
VDD = 3.3 V,
IOH = –1 mA
IOH = –4.5 mA
IOH = –8
μ
A
IOH = –1 mA
IOL = 15
μ
A
IOL = 1.4 mA
IOL = 1.4 mA
IOL = 3 mA
VOH
High-level output voltage
(TPS3123/4/5 only)
0 8
0.8
×
VDD
V
RESET
RESET
VOL
Low level output voltage
Low-level output voltage
0.2
×
VDD
V
RESET
0.4
TPS312xJ12
1.04
1.08
1.12
TPS312xG15
1.35
1.40
1.45
Negative-going input thresh-
old voltage (see Note 2)
TPS312xJ18
1.56
1.62
1.68
VIT–
TPS312xL30
TA = –40
°
C to 85
°
C
2.57
2.64
2.71
V
TPS312xE12
1.10
1.14
1.18
TPS312xE15
1.38
1.43
1.48
TPS312xE18
1.65
1.71
1.77
1 V < VIT– < 1.4 V
1.4 V < VIT– <2 V
2 V < VIT– < 3 V
15
Vhys
Hysteresis at VDD input
20
mV
30
TPS3123-xx
TPS3124 xx
TPS3124-xx
TPS3128-xx
WDI = VDD,
MR unconnected
VDD = 0.75 V
14
IDD
Supply current
VDD = 3.3 V
22
30
μ
A
TPS3125-xx
TPS3126-xx
(see Note 3)
MR unconnected
VDD = 0.75 V
14
VDD = 3.3 V
18
25
Ci
Input capacitance at MR, WDI
2. To ensure best stability of the threshold voltage, a bypass capacitor (ceramic, 0.1
μ
F) should be placed near the supply terminal.
3. The supply current during delay time td is typical 5
μ
A higher.
VI = 0 V to 3.3 V
5
pF
NOTES:
相關(guān)PDF資料
PDF描述
TPS3305(中文) Dual Processor Supervisors(雙處理器監(jiān)控器)
TPS3306(中文) Dual Processor Supervisry Circuits With Power-Fall(帶電源故障比較器的雙監(jiān)控電路)
TPS3306 Dual Processor Supervisry Circuits With Power-Fall(帶電源故障比較器的雙監(jiān)控電路)
TPS3307(中文) Triple Processor Supervisors(三處理器監(jiān)控器電路)
TPS3307 Triple Processor Supervisors(三處理器監(jiān)控器電路)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS3123J18DBV 制造商:TI 制造商全稱:Texas Instruments 功能描述:ULTRA-LOW VOLTAGE PROCESSOR SUPERVISORY CIRCUITS
TPS3123J18DBVR 功能描述:監(jiān)控電路 Ultra-Low Voltage Processor 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
TPS3123J18DBVRG4 功能描述:監(jiān)控電路 Ultra-Low Voltage Processor 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
TPS3123J18DBVT 功能描述:監(jiān)控電路 Ultra-Low Voltage Processor 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
TPS3123J18DBVTG4 功能描述:監(jiān)控電路 Ultra-Low Voltage Processor 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
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