參數(shù)資料
型號： TPS3126-xx
廠商： Texas Instruments, Inc.
英文描述： ULTRA-LOW VOLTAGE PROCESSOR SUPERVISORY CIRCUITS
中文描述： 超低電壓處理器監(jiān)控電路
文件頁數(shù)： 6/12頁
文件大小： 218K
代理商： TPS3126-XX
www.ti.com
DISSIPATION RATING TABLE
RECOMMENDED OPERATING CONDITIONS
at specified temperature range
ELECTRICAL CHARACTERISTICS
over recommended operating free-air temperature range (unless otherwise noted)
TPS3123-xx
TPS3124-xx, TPS3125-xx
TPS3126-xx, TPS3128-xx
SLVS227B–AUGUST 1999–REVISED FEBRUARY 2004
T
≤
25
°
C
POWER RATING
437 mW
DERATING FACTOR
ABOVE T
A
= 25
°
C
3.5 mW/
°
C
T
= 70
°
C
POWER RATING
280 mW
T
= 85
°
C
POWER RATING
227 mW
PACKAGE
DBV
MIN
0.75
0.85
0.0
MAX
3.3
3.3
UNIT
T
A
= 0
°
C to 85
°
C
T
A
= -40
°
C to 85
°
C
Supply voltage, V
DD
V
Manual reset voltage, V
DD
Watchdog input voltage, V
WD1
High-level input voltage, V
IH
Low-level input voltage, V
IL
Input transition rise and fall rate at WDI,
t/
V
Operating free-air temperature range, T
A
V
DD
+0.3
V
DD
+0.3
V
V
V
V
0
0.7
×
V
DD
0.3
×
V
DD
1
μs/V
°
C
40
85
PARAMETER
TEST CONDITIONS
MIN
TYP
27
MAX
UNIT
k
MR pullup resistor (internal)
WDI
MR
WDI
MR
TPS3126-xx,
TPS3128-xx
WDI = V
DD
= 3.3 V
MR = 0.7
×
V
DD
,
WDI = 0 V,
MR = 0 V,
1
1
I
IH
High-level input current
μA
V
DD
= 3.3 V
V
DD
= 3.3 V
V
DD
= 3.3 V
20
55
1
1
I
IL
Low-level input current
μA
80
170
High-level output current
(leakage into RESET pin)
I
OH
V
DD
= V
OH
= 3.3 V
200
nA
V
DD
= 1.5 V,
V
DD
= 3.3 V,
V
DD
= 0.75 V,
V
DD
= 1.5 V,
V
DD
= 0.75 V,
V
DD
= 1.5 V,
V
DD
= 1.5 V,
V
DD
= 3.3 V,
I
OH
= -1 mA
I
OH
= -4.5 mA
I
OH
= -8 μA
I
OH
= -1 mA
I
OL
= 15 μA
I
OL
= 1.4 mA
I
OL
= 1.4 mA
I
OL
= 3 mA
RESET
High-level output voltage
(TPS3123/4/5 only)
V
OH
0.8
×
V
DD
V
RESET
RESET
0.2
×
V
DD
V
OL
Low-level output voltage
V
RESET
0.4
1.12
1.45
1.68
2.71
1.18
1.48
1.77
TPS312xJ12
TPS312xG15
TPS312xJ18
TPS312xL30
TPS312xE12
TPS312xE15
TPS312xE18
1.04
1.35
1.56
2.57
1.10
1.38
1.65
1.08
1.40
1.62
2.64
1.14
1.43
1.71
15
20
30
Negative-going input threshold
voltage
(1)
V
IT-
T
A
= -40
°
C to 85
°
C
V
1 V < V
IT-
< 1.4 V
1.4 V < V
IT-
<2 V
2 V < V
IT-
< 3 V
V
hys
Hysteresis at V
DD
input
mV
(1)
To ensure best stability of the threshold voltage, a bypass capacitor (ceramic, 0.1 μF) should be placed near the supply terminal.
6
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS3128 制造商:TI 制造商全稱:Texas Instruments 功能描述:ULTRA-LOW VOLTAGE PROCESSOR SUPERVISORY CIRCUITS
TPS3128E12DBVR 功能描述:監(jiān)控電路 1.2-V Processor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 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
TPS3128E12DBVRG4 功能描述:監(jiān)控電路 1.2-V Processor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 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
TPS3128E12DBVT 功能描述:監(jiān)控電路 1.2-V Processor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 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
TPS3128E12DBVTG4 功能描述:監(jiān)控電路 1.2-V Processor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 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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