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| 型号： | TLV809J25DBZT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封装： | GREEN, PLASTIC, SOT-23, 3 PIN |
| 文件页数： | 1/14页 |
| 文件大小： | 430K |
| 代理商： | TLV809J25DBZT |
2
3
1
RESET
V
DD
GND
TLV809
DBV/DBZPackages
3.3V
TLV809K33
DSP/FPGA/ASIC
GND
RESET
V
DD
3.3-VLDO
GND
OUT
IN
5V
V
DD
www.ti.com
SLVSA03B – JUNE 2010 – REVISED SEPTEMBER 2010
3-Pin Supply Voltage Supervisors
1
FEATURES
APPLICATIONS
DSPs, Microcontrollers, and Microprocessors
2
3-Pin SOT23 Package
Wireless Communication Systems
Supply Current: 9 A (Typical)
Portable/Battery-Powered Equipment
Precision Supply Voltage Monitor:
Programmable Controls
2.5 V, 3 V, 3.3 V, 5 V
Intelligent Instruments
Power-On Reset Generator with
Industrial Equipment
Fixed Delay Time of 200 ms
Notebook and Desktop Computers
Pin-for-Pin Compatible with MAX809
Automotive Systems
Temperature Range: –40°C to +85°C
DESCRIPTION
The TLV809 family of supervisory circuits provides circuit initialization and timing supervision, primarily for DSPs
and processor-based systems.
During power-on, RESET is asserted when the supply voltage (VDD) becomes higher than 1.1 V. Thereafter, the
supervisory circuit monitors VDD and keeps RESET active as long as VDD remains below the threshold voltage
VIT. An internal timer delays the return of the output to the inactive state (high) to ensure proper system reset.
The delay time (td(typ) = 200 ms) starts after VDD has risen above the threshold voltage, VIT. When the supply
voltage drops below the VIT threshold voltage, the output becomes active (low) again. No external components
are required. All the devices in this family have a fixed sense-threshold voltage (VIT) set by an internal voltage
divider.
The product spectrum is designed for supply voltages of 2.5 V, 3 V, 3.3 V, and 5 V. The circuits are available in a
3-pin SOT-23 package. The TLV809 devices are characterized for operation over a temperature range of –40°C
to +85°C.
TYPICAL APPLICATION
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright 2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLV809K33DBVR | 功能描述:监控电路 3Pin Supply Vltg Sup RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| TLV809K33DBVT | 功能描述:监控电路 3Pin Supply Vltg Sup RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| TLV809K33DBZR | 功能描述:监控电路 3P Supply Vltg Super RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| TLV809K33DBZT | 功能描述:监控电路 3P Supply Vltg Super RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| TLV809KEVM-019 | 功能描述:电源管理IC开发工具 Eval Mod for TLV809K33 RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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