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| 型号： | TPS3838K33QDBVREP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封装： | PLASTIC, SOT-23, 5 PIN |
| 文件页数： | 1/12页 |
| 文件大小： | 206K |
| 代理商： | TPS3838K33QDBVREP |
www.ti.com
FEATURES
APPLICATIONS
3
2
4
5
1
CT
GND
MR
VDD
RESET
TPS3836, TPS3838
DBV PACKAGE
(TOP VIEW)
3
2
4
5
1
CT
GND
MR
VDD
RESET
TPS3837
DBV PACKAGE
(TOP VIEW)
DESCRIPTION
SGLS322C – MAY 2006 – REVISED AUGUST 2006
NANOPOWER SUPERVISORY CIRCUITS
Applications Using Automotive Low-Power
Controlled Baseline
DSPs, Microcontrollers, or Microprocessors
– One Assembly Site
Battery-Powered Equipment
– One Test Site
Intelligent Instruments
– One Fabrication Site
Wireless Communication Systems
Extended Temperature Performance of
Automotive Systems
–55
°C to 125°C
Enhanced Diminishing Manufacturing
Sources (DMS) Support
Enhanced Product-Change Notification
Qualification Pedigree (1)
ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
Supply Current of 220 nA (Typ)
Precision Supply Voltage Supervision Range:
1.8 V, 2.5 V, 3 V, 3.3 V
Power-On Reset Generator With Selectable
Delay Time of 10 ms or 200 ms
Push/Pull RESET Output (TPS3836), RESET
Output (TPS3837), or
Open-Drain RESET Output (TPS3838)
Manual Reset
5-Pin SOT-23 Package
Temperature Range –55
°C to 125°C
(1)
Component qualification in accordance with JEDEC and
industry standards to ensure reliable operation over an
extended temperature range. This includes, but is not limited
to, Highly Accelerated Stress Test (HAST) or biased 85/85,
temperature cycle, autoclave or unbiased HAST,
electromigration, bond intermetallic life, and mold compound
life. Such qualification testing should not be viewed as
justifying use of this component beyond specified
performance and environmental limits.
The TPS3836, TPS3837, TPS3838 families of supervisory circuits provide circuit initialization and timing
supervision, primarily for digital signal processing (DSP) 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 output 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 starts after VDD has risen above VIT.
When CT is connected to GND, a fixed delay time of typical 10 ms is asserted. When connected to VDD, the
delay time is typically 200 ms.
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.
PRODUCTION DATA information is current as of publication date.
Copyright 2006, 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 |
|---|---|
| TPS3838K33QDBVRQ1 | 功能描述:监控电路 Automotive 220nA 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 |
| TPS3838L30DBVR | 功能描述:监控电路 220nA w/ 10ms/200ms Select delay time 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 |
| TPS3838L30DBVRG4 | 功能描述:监控电路 220nA w/ 10ms/200ms Select delay time 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 |
| TPS3838L30DBVT | 功能描述:监控电路 220nA w/ 10ms/200ms Select delay time 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 |
| TPS3838L30DBVTG4 | 功能描述:监控电路 220nA w/ 10ms/200ms Select delay time 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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