TPS3825-33DBVR
Processor Supervisor 2.93V 1 Active High/Active Low/Push-Pull 5-Pin SOT-23 T/R
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Part Number : TPS3825-33DBVR
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Package/Case : SOT23-5
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Brands : TI
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Components Categories : Supervisors
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Datesheet : TPS3825-33DBVR DataSheet (PDF)
Overview of TPS3825-33DBVR
The TPS382x family of supervisors provide circuit initialization and timing supervision, primarily for DSP and processor-based systems. During power on, RESET asserts when the supply voltage VDD becomes greater than 1.1 V. Thereafter, the supply voltage supervisor monitors VDD and keeps RESET active low as long as VDD remains less than 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, td, starts after VDD has risen above the threshold voltage (VIT− + VHYS). When the supply voltage drops below the threshold voltage VIT−, the output becomes active (low) again. No external components are required. All the devices of this family have a fixed-sense threshold voltage, VIT–, set by an internal voltage divider. The TPS382x family also offers watchdog time out options of 200 ms (TPS3820) and 1.6 s (TPS3823, TPS3824, and TPS3828).
Key Features
- Power-on reset generator with a fixed delay time of 200 ms (TPS3823, TPS3824, TPS3825, and TPS3828) or 25 ms (TPS3820)
- Manual reset input (TPS3820, TPS3823, TPS3825, and TPS3828)
- Reset output available in active-low (TPS3820, TPS3823, TPS3824, and TPS3825), active-high (TPS3824 and TPS3825), and open drain (TPS3828)
- Supply voltage supervision range: 2.5 V, 3 V, 3.3 V, 5 V
- Watchdog timer (TPS3820, TPS3823, TPS3824, and TPS3828)
- Supply current of 15 µA (typical)
- 5-pin SOT-23 package
- Temperature range: −40°C to 85°C (−40°C to 125°C for TPS3823A-33)
Application
- Commercial
- Industrial
- Aerospace
- Defence
- Military
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Number of supplies monitored | 1 | Threshold voltage 1 (typ) (V) | 2.93, 4.55 |
Features | Complimentary output, Manual reset capable | Reset threshold accuracy (%) | 2.4 |
Iq (typ) (mA) | 0.015 | Output driver type/reset output | Active-high, Active-low, Push-Pull |
Time delay (ms) | 200 | Supply voltage (min) (V) | 1.1 |
Supply voltage (max) (V) | 5.5 | Rating | Catalog |
Watchdog timer WDI (s) | None | Operating temperature range (°C) | -40 to 85 |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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