Automotive voltage monitor and watchdog timer, this integrated circuit features a single voltage monitoring element with a reset threshold voltage of 4.55V, adjustable between 4.44V and 4.65V. Operating from a 1.1V to 5.5V supply, it offers a low quiescent current of 15µA and a maximum supply current of 25µA. The device includes an active-low reset with a 120ms timeout and a watchdog timer, all housed in a lead-free SOT-23-5 surface-mount package. It is RoHS compliant and operates across a temperature range of -40°C to 125°C, with a maximum power dissipation of 437mW.
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Texas Instruments TPS3828-50QDBVRG4Q technical specifications.
| Package/Case | SOT-23-5 |
| Lead Free | Lead Free |
| Max Operating Temperature | 125°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 437mW |
| Max Reset Threshold Voltage | 4.65V |
| Min Reset Threshold Voltage | 4.44V |
| Max Supply Current | 25uA |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 1.1V |
| Mount | Surface Mount |
| Number of Elements | 1 |
| Number of Voltages Monitored | 1 |
| Operating Supply Current | 25uA |
| Overvoltage Threshold | 4.65V |
| Package Quantity | 1 |
| Packaging | Tape and Reel |
| Power Dissipation | 437mW |
| Quiescent Current | 15uA |
| Reset | Active Low |
| Reset Timeout | 120ms |
| RoHS Compliant | Yes |
| Supply Current | 25uA |
| Threshold Voltage | 4.55V |
| Type | Simple Reset/Power-On Reset |
| Undervoltage Threshold | 4.44V |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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