TPS3808G33DBVR
Supervisors
Technical Specifications
| Type | Description |
|---|---|
| Operating Temp | -40°C ~ +125°C |
| Function | Manual reset input |
| Working Voltage V | 4.1 V |
| Reset Timeout | 20ms |
| output type | Open-drain |
| Reset Active Level | Active Low |
| Type | Description |
|---|---|
| standby current | 2.4uA |
| Chiptype | Voltage monitor |
| Threshold Voltage | 3.07V |
| Number of Voltages Monitored | 1 |
| Package / Case | SOT-23-6 |
Product Introduction
The TPS3808xxx family of microprocessor supervisory circuits monitor system voltages from 0.4V to 5.0V, 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 uses a precision reference to achieve 0.5% threshold accuracy for VIT ≤ 3.3V. The reset delay time can be set to 20ms by disconnecting the CT pin, 300ms by connecting the CT pin to VDD using a resistor, or can be user-adjusted between 1.25ms and 10s by connecting the CT pin to an external capacitor. The TPS3808 has a very low typical quiescent current of 2.4μA so it is well-suited to battery-powered applications. It is available in a small SOT23 and an ultra-small 2mm × 2mm QFN PowerPAD package, and is fully specified over a temperature range of -40°C to +125°C (TJ).
Features
- Power-On Reset Generator with Adjustable Delay Time: 1.25ms to 10s
- Very Low Quiescent Current: 2.4μA typ
- High Threshold Accuracy: 0.5% typ
- Fixed Threshold Voltages for Standard Voltage Rails from 0.9V to 5V and Adjustable Voltage Down to 0.4V Are Available
- Manual Reset (MR) Input
- Open-Drain RESET Output
- Temperature Range: -40°C to +125°C
- Small SOT23 and 2mm × 2mm QFN Packages
Applications
- - DSP or Microcontroller Applications - Notebook/Desktop Computers - PDAs/Hand-Held Products - Portable/Battery-Powered Products - FPGA/ASIC Applications
Datasheet
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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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