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參數資料
| 型號： | TC54VN4302ECT |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封裝： | EIAJ, SC-74A, SOT-23A, 5 PIN |
| 文件頁數： | 1/12頁 |
| 文件大?。?/td> | 215K |
| 代理商： | TC54VN4302ECT |
2002 Microchip Technology Inc.
DS21434C-page 1
M
TC54
Features
Precise Detection Thresholds: Standard ±2.0%,
Custom ±1.0%
Small Packages: 3-Pin SOT-23A, 3-Pin SOT-89,
5-Pin SOT-23A (7.7V only)
Low Current Drain: Typ. 1
A
Wide Detection Range: 1.1V to 6.0V and 7.7V
Wide Operating Voltage Range: 0.7V to 10V
Applications
Battery Voltage Monitoring
Microprocessor Reset
System Brown-out Protection
Switching Circuit in Battery Backup
Level Discriminator
Device Selection Table
Other output voltages are available. Please contact Microchip
Technology Inc. for details.
Package Type
General Description
The TC54 Series are CMOS voltage detectors, suited
especially for battery-powered applications because of
their extremely low 1
A operating current and small
surface-mount packaging. Each part is laser trimmed to
the desired threshold voltage which can be specified
from 1.1V to 6.0V and 7.7V, for a 2% and 1.5V to 6.0V
for a 1% tolerance.
The device includes a comparator, low-current high-
precision reference, laser-trimmed divider, hysteresis
circuit and output driver. The TC54 is available with
either an open-drain or complementary output stage.
In operation, the TC54's output (VOUT) remains in the
logic HIGH state as long as VIN is greater than the
specified threshold voltage (VDET -). When VIN falls
below VDET - the output is driven to a logic LOW. VOUT
remains LOW until VIN rises above VDET - by an
amount VHYST, whereupon it resets to a logic HIGH.
Functional Block Diagram
Part Number
Package
Temp. Range
TC54-xxxxxxxxxxx 3-Pin SOT-23A -40°C to +85°C
TC54-xxxxxxxxxxx
3-Pin SOT-89
-40°C to +85°C
TC54-xxxxxxxxxxx 5-Pin SOT-23A -40°C to +85°C
13
2
VIN
VSS
VOUT
VSS
VOUT
TC54
1
3
2
3-Pin SOT-23A
3-Pin SOT-89
5
5-Pin SOT-23A
TC54
1
3
4
2
NC
VOUT
VIN
VSS
NC
NOTE: 3-Pin SOT-23A is equivalent to the EIAJ SC-59.
5-Pin SOT-23A is equivalent to the EIAJ SC-74A.
VOUT
TC54VC only
VSS
1
3
+
–
VIN
2
VREF
TC54VN has open-drain output.
TC54VC has complementary output.
Voltage Detector
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TC54VN4302EMB | 制造商:TELCOM 制造商全稱:TelCom Semiconductor, Inc 功能描述:VOLTAGE DETECTOR |
| TC54VN4302EMB713 | 功能描述:監控電路 4.2V 2% RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關: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 |
| TC54VN4302EMBRTP | 制造商:TELCOM 制造商全稱:TelCom Semiconductor, Inc 功能描述:VOLTAGE DETECTOR |
| TC54VN4302EMBSTP | 制造商:TELCOM 制造商全稱:TelCom Semiconductor, Inc 功能描述:VOLTAGE DETECTOR |
| TC54VN4302EZB | 功能描述:監控電路 4.3V, 2% RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關: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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