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參數(shù)資料
| 型號(hào)： | tps3809 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 3-PIN SUPPLY VOLTAGE SUPERVISORS(3管腳電源電壓監(jiān)控器) |
| 中文描述： | 3引腳電源電壓監(jiān)控（3管腳電源電壓監(jiān)控器） |
| 文件頁(yè)數(shù)： | 4/8頁(yè) |
| 文件大?。?/td> | 113K |
| 代理商： | TPS3809 |
TPS3809J25, TPS3809L30, TPS3809K33, TPS3809I50
3-PIN SUPPLY VOLTAGE SUPERVISORS
SLVS228 – AUGUST 1999
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VDD = 2.5 V to 6 V, IOH = –500
μ
A
VDD = 3.3 V,
VDD = 6 V,
VDD = 2 V to 6 V,
VDD = 3.3 V,
VDD = 6 V,
VDD
≥
1.1 V,
MIN
TYP
MAX
UNIT
VDD –0.2
VDD –0.4
VDD –0.4
VOH
High-level output voltage
IOH = –2 mA
IOH = –4 mA
IOL = 500
μ
IOL = 2 mA
IOL = 4 mA
IOL = 50
μ
A
V
0.2
VOL
Low-level output voltage
0.4
V
0.4
Power-up reset voltage (see Note 2)
0.2
V
TPS3809J25
2.20
2.25
2.30
VIT–
Negative-going input threshold
voltage (see Note 3)
TPS3809L30
TA 40
TA– 40
°
C to 85
°
C
2.58
2.64
2.70
V
TPS3809K33
2.87
2.93
2.99
TPS3809I50
4.45
4.55
4.65
TPS3809J25
30
Vhys
Hysteresis
TPS3809L30
35
mV
TPS3809K33
40
TPS3809I50
60
IDD
Supply current
VDD = 2 V, Output unconnected
VDD = 6 V, Output unconnected
VI = 0 V to VDD
9
12
μ
A
20
25
Ci
Input capacitance
2. The lowest supply voltage at which RESET becomes active. tr, VDD
≥
15
μ
s/V.
3. To ensure best stability of the threshold voltage, a bypass capacitor ( 0.1
μ
F ceramic) should be placed near the supply terminals.
5
pF
NOTES:
timing requirements at R
L
= 1 M
, C
L
= 50 pF, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
μ
s
tw
Pulse width
at VDD
VDD = VIT– + 0.2 V,
VDD = VIT– – 0.2 V
3
switching characteristics at R
L
= 1 M
, C
L
= 50 pF, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
VDD
≥
VIT– + 0.2 V,
See timing diagram
MIN
TYP
MAX
UNIT
td
Delay time
120
200
280
ms
tPHL
Propagation (delay) time, high-to-low-level output
VDD to RESET delay
VIL = VIT– –0.2 V,
VIH = VIT– +0.2 V
1
μ
s
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS3809I50DBVR | 功能描述:監(jiān)控電路 4.55V Volt. Sup 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 |
| TPS3809I50DBVRG4 | 功能描述:監(jiān)控電路 3-Pin Supply Voltage Supervisor 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 |
| TPS3809I50DBVT | 功能描述:監(jiān)控電路 4.55V Volt. Sup 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 |
| TPS3809I50DBVT | 制造商:Texas Instruments 功能描述:SUPERVISORY CIRCUIT 3809 SOT-23-3 |
| TPS3809I50DBVT | 制造商:Texas Instruments 功能描述:SUPERVISORY CIRCUIT 3809 SOT-23-3 |
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