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參數資料
| 型號： | V62/04648-05XE |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封裝： | GREEN, PLASTIC, SC-70, 5 PIN |
| 文件頁數： | 1/18頁 |
| 文件大小： | 535K |
| 代理商： | V62/04648-05XE |
FEATURES
D Controlled Baseline
One Assembly/Test Site, One Fabrication
Site
D Extended Temperature Performance of Up to
55
°C to +125°C
D Enhanced Diminishing Manufacturing
Sources (DMS) Support
D Enhanced Product-Change Notification
D Qualification Pedigree(1)
D Single Voltage Detector (TPS3803):
Adjustable/1.5 V
D Dual Voltage Detector (TPS3805):
Adjustable/3.3 V
D High ±1.5% Threshold Voltage Accuracy
D Supply Current: 3 A Typical at VDD = 3.3 V
D Push/Pull Reset Output (TPS3805) Open-Drain
Reset Output (TPS3803)
D 5-Pin SC70 Package
(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.
APPLICATIONS
D Applications Using DSPs, Microcontrollers,
or Microprocessors
D Wireless Communication Systems
D Portable/Battery-Powered Equipment
D Programmable Controls
D Intelligent Instruments
D Industrial Equipment
D Notebook/Desktop Computers
D Automotive Systems
DESCRIPTION
The TPS3803 and TPS3805 families of supervisory circuits
provide circuit initialization and timing supervision, primarily
for DSPs and processor-based systems.
The TPS3803G15 device has a fixed-sense threshold voltage
VIT set by an internal voltage divider, whereas the
TPS380301 has an adjustable SENSE input that can be
configured by two external resistors. In addition to the fixed
sense threshold monitored at VDD, the TPS3805 devices
provide a second adjustable SENSE input. RESET is
asserted in case any of the two voltages drops below VIT.
During power on, RESET is asserted when supply voltage
VDD becomes higher than 0.8 V. Thereafter, the supervisory
circuit monitors VDD (and/or SENSE) and keeps RESET
active as long as VDD or SENSE remains below the threshold
voltage VIT. As soon as VDD (SENSE) rises above the
threshold voltage VIT, RESET is deasserted again. The
product spectrum is designed for 1.5 V, 3.3 V, and adjustable
supply voltages. The devices are available in a 5-pin SC-70
package.
3
2
4
5
DCK PACKAGE
(Top View)
1
NC
GND
RESET
(1) NC = No Connection on TPS3803G15
V
DD
SENSE
NC(1)
TPS380301, TPS3803G15, TPS3805
Typical Operating Circuit
TPS3805H33
TMS320VC5416
RESET
V
DD
SENSE
GND
DV
DD
CV
DD
RESET
GND
3.3 V
1.6 V
R1
R2
www.ti.com
TPS3803-01-EP
TPS3803G15-EP
TPS3805H33-EP
SGLS227C DECEMBER 2003 REVISED JUNE 2007
VOLTAGE
DETECTOR
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
www.ti.com
Copyright
20032007, Texas Instruments Incorporated
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.
All trademarks are the property of their respective owners.
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