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TPS3823-25QDBVRQ1, TPS3823-3.0DBVR, TPS3823-3.0DBVT

Table of contents:
Info of TPS3823-25QDBVRQ1
Info of TPS3823-3.0DBVR
Info of TPS3823-3.0DBVT

TPS3823-25QDBVRQ1, TPS3823-3.0DBVR, TPS3823-3.0DBVT Selling Leads, Datasheet

MFG:Texas Instruments (VA) Category:Integrated Circuits (ICs) Package Cooled:SOT-23-5 D/C:08+/09+

TPS3823-25QDBVRQ1, TPS3823-3.0DBVR, TPS3823-3.0DBVT Datasheet download

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Part Number: TPS3823-25QDBVRQ1

Category: Integrated Circuits (ICs)

MFG: Texas Instruments (VA)

Package Cooled: SOT-23-5

D/C: 08+/09+

Description: IC 2.25V SUPPLY MONITOR SOT23-5

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TPS3823-25QDBVRQ1 Parameters

Technical/Catalog Information	TPS3823-25QDBVRQ1
Vendor	Texas Instruments (VA)
Category	Integrated Circuits (ICs)
Output	Push-Pull, Totem Pole
Reset	Active Low
Package / Case	SOT-23-5
Packaging	Digi-Reel?
Number of Voltages Monitored	1
Reset Timeout	120 ms Minimum
Type	Simple Reset/Power-On Reset
Voltage - Threshold	2.25V
Operating Temperature	-40°C ~ 125°C
Drawing Number	296; 4073253-4; DBV; 5
Lead Free Status	Contains Lead
RoHS Status	RoHS Non-Compliant
Other Names	TPS3823 25QDBVRQ1 TPS382325QDBVRQ1 296 15648 6 ND 296156486ND 296-15648-6

TPS3823-25QDBVRQ1 General Description

The TPS382x family of supervisors provides circuit initialization and timing supervision, primarily for DSP and processor-based systems.

During power-on, RESET is asserted when supply voltage V_DD becomes higher than 1.1 V. Thereafter, the supply voltage supervisor 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, 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 TPS3820/3/5/8 devices incorporate a manual reset input, MR. A low level at MR causes RESET to become active. The TPS3824/5 devices include a high-level output RESET. TPS3820/3/4/8 have a watchdog timer that is periodically triggered by a positive or negative transition at WDI. When the supervising system fails to retrigger the watchdog circuit within the time-out interval, t_tout, RESET becomes active for the time period t_d. This event also reinitializes the watchdog timer. Leaving WDI unconnected disables the watchdog.

In applications where the input to the WDI pin may be active (transitioning high and low) when the TPS3820/3/4/8 is asserting RESET, the TPS3820/3/4/8 does not return to a non-reset state when the input voltage is above Vt. If the application requires that input to WDI is active when RESET is asserted, WDI must be decoupled from the active signal. This can be accomplished by using an N-channel FET in series with the WDI pin, with the gate of the FET connected to the RESET output as shown in Figure 1.

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 5-pin SOT23-5 package. The TPS382x-xxQ-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.

TPS3823-25QDBVRQ1 Maximum Ratings

Supply voltage, V_DD (see Note 1) . . . . . . . . . . . . . . . . . . . . . 6 V
RESET, RESET, MR, WDI (see Note 1) . . . .0.3 V to (V_DD + 0.3 V)
Maximum low output current, I_OL . . . . . . . . . . . . . . . . . . . . .5 mA
Maximum high output current, I_OH . . . . . . . . . . . . . . . . . . 5 mA
Input clamp current range, I_IK (V_I< 0 or V_I> V_DD) . . . . .±10 mA
Output clamp current range, I_OK (V_O < 0 or V_O > V_DD) . . ±10 mA
Continuous total power dissipation . See Dissipation Rating Table
Operating free-air temperature range, T_A . . . . . .40°C to 125°C
Storage temperature range, T_stg . . . . . . . . . . . . 65°C to 150°C
Soldering temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . .260°C
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: All voltage values are with respect to GND.

TPS3823-25QDBVRQ1 Features

Qualification in Accordance With AEC-Q100†
Qualified for Automotive Applications
Customer-Specific Configuration Control Can Be Supported Along With Major-Change Approval†
ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Using Human Body Model (C = 100 pF, R = 1500 Ω)
Power-On Reset Generator With Fixed Delay Time of 200 ms (TPS3823/4/5/8) or 25 ms (TPS3820)
Manual Reset Input (TPS3820/3/5/8)
Reset Output Available in Active-Low (TPS3820/3/4/5), Active-High (TPS3824) and Open-Drain (TPS3828)
Supply Voltage Supervision Range 2.5 V, 3 V, 3.3 V, 5 V
Watchdog Timer (TPS3820/3/4/8)
Supply Current of 15 µA (Typ)
SOT23-5 Package

TPS3823-25QDBVRQ1 Typical Application

Applications Using Automotive DSPs, Microcontrollers, or Microprocessors
Industrial Equipment
Programmable Controls
Automotive Systems
Battery-Powered Equipment
Intelligent Instruments
Wireless Communications Systems

TPS3823-25QDBVRQ1 Connection Diagram

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