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參數(shù)資料
| 型號(hào)： | TPS3809K33DBVR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | GREEN, PLASTIC, SOT-23, 3 PIN |
| 文件頁(yè)數(shù)： | 7/12頁(yè) |
| 文件大?。?/td> | 383K |
| 代理商： | TPS3809K33DBVR |
SLVS228A – AUGUST 1999 – REVISED OCTOBER 2010
www.ti.com
ELECTRICAL CHARACTERISTICS
Overrecommended operating free-air temperature range (unless otherwise noted).
TPS3800-xx, TPS3801-xx,
TPS3802-xx
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD = 2.5 V to 6 V IOH = –500 mA
VDD –0.2
VOH
High-level output voltage
VDD = 3.3 V IOH = –2 mA
VDD –0.4
V
VDD = 6 V IOH = –4 mA
VDD –0.4
VDD = 2 V to 6 V, IOL = 500 mA
0.2
VOL
Low-level output voltage
VDD = 3.3 V, IOL = 2 mA
0.4
V
VDD = 6 V, IOL = 4 mA
0.4
Power-up reset voltage(1)
VDD ≥ 1.1 V, IOL = 50 mA
0.2
V
TPS3809J25
2.2
2.25
2.3
TPS3809L30
2.58
2.64
2.7
Negative-going input
VIT–
TA = –40°C to 85°C
V
threshold voltage(2)
TPS3809K33
2.87
2.93
2.99
TPS3809I50
4.45
4.55
4.65
TPS3809J25
30
TPS3809L30
35
Vhys
Threshold hysteresis
mV
TPS3809K33
40
TPS3809I50
60
VDD = 2 V, output unconnected
9
12
IDD
Supply current
mA
VDD = 6 V, output unconnected
20
25
Ci
Input capacitance
VI = 0 V to VDD
5
pF
(1)
The lowest supply voltage at which RESET becomes active. tr, VDD ≥ 15 ms/V.
(2)
To ensure the best stability of the threshold voltage, a bypass capacitor (0.1-mF ceramic) should be placed near the supply terminals.
TIMING REQUIREMENTS
at RL = 1 M, CL = 50 pF, TA = 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tw
Pulse width
at VDD
VDD = VIT– + 0.2 V, VDD = VIT– –0.2 V
3
ms
SWITCHING CHARACTERISTICS
at RL = 1 M, CL = 50 pF, TA = 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD ≥ VIT– + 0.2 V,
td
Delay time
120
200
280
ms
See timing diagram
VIL = VIT– – 0.2 V,
Propagation (delay) time, high-to-low-level
1
ms
tPHL
VDD to RESET delay
VIH = VIT– + 0.2 V
output
4
Copyright 1999–2010, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS3809K-33DBVR | 制造商:Texas Instruments 功能描述:Voltage Detector, Fixed, +2.93V, 3 Pin, Plastic, TO-236 |
| TPS3809K33DBVRG4 | 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(guò)電壓閾值: 輸出類(lèi)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 |
| TPS3809K33DBVT | 功能描述:監(jiān)控電路 2.93V 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(guò)電壓閾值: 輸出類(lèi)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 |
| TPS3809K33DBVT | 制造商:Texas Instruments 功能描述:IC Leaded Process Compatible:Yes |
| TPS3809K33DBVTG4 | 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(guò)電壓閾值: 輸出類(lèi)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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