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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)： | 7/12頁 |
| 文件大?。?/td> | 218K |
| 代理商： | TPS3126-XX |
www.ti.com
TIMING REQUIREMENTS
at R
L
= 1 M
, C
L
= 50 pF, T
A
= 25
°
C
SWITCHING CHARACTERISTICS
at R
L
= 1 M
, C
L
= 50 pF, T
A
= 25
°
C
TPS3123-xx
TPS3124-xx, TPS3125-xx
TPS3126-xx, TPS3128-xx
SLVS227B–AUGUST 1999–REVISED FEBRUARY 2004
ELECTRICAL CHARACTERISTICS (continued)
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
14
MAX
UNIT
TPS3123-xx
TPS3124-xx
TPS3128-xx
V
DD
= 0.75 V
WDI = V
,
MR unconnected
V
DD
= 3.3 V
22
30
I
DD
Supply current
μA
V
DD
= 0.75 V
V
DD
= 3.3 V
14
18
5
TPS3125-xx
TPS3126-xx
(2)
MR unconnected
25
C
i
Input capacitance at MR, WDI
V
I
= 0 V to 3.3 V
pF
(2)
The supply current during delay time t
d
is typical 5 μA higher.
PARAMETER
TEST CONDITIONS
V
IL
= V
IT -
-0.2 V
MIN
TYP
MAX
UNIT
At V
DD
At MR
At WDI
V
IH
= V
IT-
+ 0.2 V,
6
1
t
w
Pulse width
μs
V
DD
≥
V
IT-
+ 0.2 V,
V
IL
= 0.3 x V
DD
,
V
IH
= 0.7
×
V
DD
0.1
PARAMETER
TEST CONDITIONS
V
≥
V
+ 0.2 V,
See timing diagram
V
> V
+ 0.2 V,
See timing diagram
MIN
TYP
MAX
UNIT
t
tout
Watchdog time out
0.8
1.4
2.1
s
t
d
Delay time
100
180
260
ms
MR to RESET delay
(TPS3123/5/6/8)
MR to RESET delay
(TPS3125/6)
V
DD
to RESET delay
V
to RESET delay
(TPS3124/5/6)
t
PHL
Propagation delay time, high-to-low-level output
0.1
V
DD
≥
V
IT-
+ 0.2 V,
V
IL
= 0.2
×
V
DD
,
V
IH
= 0.8
×
V
DD
μs
t
PLH
Propagation delay time, low-to-high-level output
0.1
t
PHL
Propagation delay time, high-to-low-level output
10
V
IL
= V
IT-
- 0.2 V,
V
IH
= V
IT-
+ 0.2 V
μs
t
PLH
Propagation delay time, low-to-high-level output
10
7
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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 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復位延遲（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 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復位延遲（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 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復位延遲（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 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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