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TLC7705-Q1 Datasheet(PDF) 1 Page - Texas Instruments

Part # TLC7705-Q1
Description  MICROPOWER SUPPLY VOLTAGE SUPERVISORS
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TLC7705-Q1 Datasheet(HTML) 1 Page - Texas Instruments

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CONTROL
RESIN
CT
GND
VDD
SENSE
RESET
RESET
D OR PW PACKAGE
(TOP VIEW)
TLC7701-EP, TLC7705-EP, TLC7733-EP
www.ti.com
SGLS013E
– MARCH 2003 – REVISED NOVEMBER 2011
MICROPOWER SUPPLY VOLTAGE SUPERVISORS
Check for Samples: TLC7701-EP, TLC7705-EP, TLC7733-EP
1
FEATURES
SUPPORTS DEFENSE, AEROSPACE,
AND MEDICAL APPLICATIONS
Power-On Reset Generator
Controlled Baseline
Automatic Reset Generation After Voltage
Drop
One Assembly/Test Site
Precision Voltage Sensor
One Fabrication Site
Temperature-Compensated Voltage Reference
Available in Extended (
–40°C/125°C
and
–55°C/125°C), Temperature Ranges(1)
Programmable Delay Time by External
Capacitor
Extended Product Life Cycle
Supply Voltage Range . . . 2 V to 6 V
Extended Product-Change Notification
Defined RESET Output from VDD ≥ 1 V
Product Traceability
Power-Down Control Support for Static RAM
With Battery Backup
Maximum Supply Current of 16 mA
Power Saving Totem-Pole Outputs
(1)
Additional temperature ranges available - contact factory
DESCRIPTION
The TLC77xx family of micropower supply voltage supervisors provide reset control, primarily in microcomputer
and microprocessor systems.
During power-on, RESET is asserted when VDD reaches 1 V. After minimum VDD (≥ 2 V) is established, the
circuit monitors SENSE voltage and keeps the reset outputs active as long as SENSE voltage (VI(SENSE)) remains
below the threshold voltage. An internal timer delays return of the output to the inactive state to ensure proper
system reset. The delay time (td) is determined by an external capacitor:
td = 2.1 × 10
4 × C
T
(1)
Where
CT is in farads
td is in seconds
Except for the TLC7701, which can be customized with two external resistors, each supervisor has a fixed sense
threshold voltage set by an internal voltage divider. When SENSE voltage drops below the threshold voltage, the
outputs become active and stay in that state until SENSE voltage returns above threshold voltage and the delay
time (td) has expired.
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.
PRODUCTION DATA information is current as of publication date.
Copyright
© 2003–2011, 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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