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参数资料
| 型号： | TLV803ZDBZR |
| 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： | PLASTIC, SOT-23, 3 PIN |
| 文件页数： | 1/13页 |
| 文件大小： | 381K |
| 代理商： | TLV803ZDBZR |
2
3
1
RESET
V
DD
GND
TLV803
DBZPackage
(TopView)
3.3V
TLV803S
DSP/FPGA/ASIC
GND
RESET
V
DD
3.3-VLDO
GND
OUT
IN
5V
V
DD
SBVS157A
– APRIL 2011 – REVISED JUNE 2011
3-Pin Voltage Supervisors
with Active-Low, Open-Drain Reset
1
FEATURES
DESCRIPTION
The TLV803 family of supervisory circuits provides
2
3-Pin SOT23 Package
circuit initialization and timing supervision, primarily
Supply Current: 9
A (Typical)
for DSPs and processor-based systems.
Precision Supply Voltage Monitor:
During power-on, RESET asserts when the supply
2.5 V, 3 V, 3.3 V, 5 V
voltage
(VDD)
becomes
greater
than
1.1
V.
Power-On Reset Generator with
Thereafter, the supervisory circuit monitors VDD and
Fixed Delay Time of 200 ms
keeps RESET active as long as VDD remains below
Pin-for-Pin Compatible with MAX803
the threshold voltage VIT. An internal timer delays the
Temperature Range:
–40°C to +125°C
return of the output to the inactive state (high) to
ensure proper system reset. The delay time (td(typ) =
Open-Drain, RESET Output
200 ms) starts after VDD has risen above the
threshold voltage, VIT. When the supply voltage drops
APPLICATIONS
below the VIT threshold voltage, the output becomes
DSPs, Microcontrollers, and Microprocessors
active (low) again. All the devices in this family have
Wireless Communication Systems
a fixed sense-threshold voltage (VIT) set by an
internal voltage divider.
Portable/Battery-Powered Equipment
Programmable Controls
The product spectrum is designed for supply voltages
Intelligent Instruments
of 2.5 V, 3 V, 3.3 V, and 5 V. The circuits are
available in a 3-pin SOT-23 package. The TLV803
Industrial Equipment
devices are characterized for operation over a
Notebook and Desktop Computers
temperature range of
–40°C to +125°C.
Automotive Systems
DEVICE FAMILY COMPARISON
TYPICAL APPLICATION
DEVICE
FUNCTION
TLV803
Open-Drain, RESET Output
Push-Pull, RESET Output
Push-Pull, RESET Output
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
2011, 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 |
|---|---|
| TLV803ZDBZT | 功能描述:监控电路 3P Vltg Supervisor 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 |
| TLV809I50 | 制造商:TI 制造商全称:Texas Instruments 功能描述:3-Pin Supply Voltage Supervisors |
| TLV809I50DBVR | 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 |
| TLV809I50DBVT | 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 |
| TLV809I50DBZR | 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 |
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