TPS3809J25-Q1_16 Datasheet, PDF (1/19 Pages) Texas Instruments – 3-Pin Supply Voltage Supervisors

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TPS3809J25-Q1, TPS3809L30-Q1, TPS3809K33-Q1, TPS3809I50-Q1
SGLS142B – JUNE 2008 – REVISED MARCH 2016
TPS3809xxx-Q1 3-Pin Supply Voltage Supervisors
1 Features
•1 Qualified for Automotive Applications
• AEC-Q100 Qualified With the Following Results:
– Device Temperature Grade 1: –40°C to
+125°C Ambient Operating Temperature
Range
– Device HBM ESD Classification Level 2
– Device CDM ESD Classification Level C5
• 3-Pin SOT-23 Package
• Supply Current of 9 μA (Typical)
• Precision-Supply Voltage Monitor 2.5 V, 3 V, 3.3
V, 5 V
• Power-On Reset Generator With Fixed Delay
Time of 200 ms
• Pin-For-Pin Compatible With MAX 809
2 Applications
• Automotive Applications With DSPs,
Microcontrollers, or Microprocessors
• Automotive Camera Systems
• Automotive Radar
• USB Hubs and Charging
3 Description
The TPS3809 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 V_DD and
keeps RESET active as long as V_DD remains below
the threshold voltage V_IT. An internal timer delays the
return of the output to the inactive state (high) to
ensure proper system reset. The delay time, t_d(typ) =
200 ms, starts after V_DD has risen above the
threshold voltage V_IT. When the supply voltage drops
below the threshold voltage V_IT, the output becomes
active (low) again. No external components are
required. All the devices of this family have a fixed
sense-threshold voltage V_IT 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. The TPS3809xxx-Q1
devices are characterized for operation over a
temperature range of −40°C to 125°C, and are
qualified in accordance with AEC-Q100 stress test
qualification for integrated circuits. For more
information about TI's voltage supervisor portfolio,
please visit the Supervisor and Reset IC Overview
web page.
Device Information⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS3809xxx-Q1
SOT-23 (3)
2.90 mm × 1.60 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Typical Application
TPS76333
3.3 V
5V
IN
OUT
GND
V _DD
V _DD
TPS3809K33-Q1
RESET
GND
TMS320LC54x
RESET
GND
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.