TPS3808G01DBVR
Power Management
Technical Specifications
| Type | Description |
|---|---|
| Reset Timeout | 20us |
| Output Type | Open-drain |
| Reset Active Level | Active Low |
| Standby Current | 2.4uA |
| Chiptype | Voltage monitor |
| Threshold Voltage | 405mV |
| Type | Description |
|---|---|
| Number of Voltages Monitored | 1 |
| Operating Temperature | -40°C~+125°C |
| Function | Manual reset input |
| Supply Voltage | 1.7V~6.5V |
| Package / Case | SOT-23-6 |
Product Introduction
The TPS3808 family of microprocessor supervisory circuits monitors system voltages from 0.4 V to 5 V, asserting an open-drain RESET signal when the SENSE voltage drops below a preset threshold or when the manual reset (MR) pin drops to a logic low. The RESET output remains low for the user-adjustable delay time after the SENSE voltage and manual reset (MR) return above the respective thresholds.
The TPS3808 device uses a precision reference to achieve 0.5% threshold accuracy for VΠ ≤ 3.3 V. The reset delay time can be set to 20 ms by disconnecting the CT pin, 300 ms by connecting the CT pin to VDD using a resistor, or can be user-adjusted between 1.25 ms and 10 s by connecting the CT pin to an external capacitor. The TPS3808 device has a very low typical quiescent current of 2.4 μA, so it is well-suited to battery-powered applications. It is available in the SOT-23 and 2-mm × 2-mm WSON packages, and is fully specified over a temperature range of -40°C to 125°C (TJ).
Features
- Power-On Reset Generator with Adjustable Delay Time: 1.25 ms to 10 s
- Very Low Quiescent Current: 2.4 μA Typical
- High Threshold Accuracy: 0.5% Typ
- Fixed Threshold Voltages for Standard Voltage Rails from 0.9 V to 5 V and Adjustable Voltage Down to 0.4 V Are Available
- Manual Reset (MR) Input
- Open-Drain RESET Output
- Temperature Range: -40°C to 125°C
- Small SOT-23 and 2-mm × 2-mm WSON Packages
Applications
- DSP or Microcontroller Applications
- Notebook and Desktop Computers
- PDAs and Hand-Held Products
- Portable and Battery-Powered Products
- FPGA and ASIC Applications
Datasheet
Alternative Parts
Common TPS3808G01DBVR alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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