Packaging information
| Package | Pins SOT-23-THN (DDF) | 8 |
| Operating temperature range (°C) -40 to 125 |
| Package qty | Carrier 3,000 | LARGE T&R |
Features for the TPS35
- Factory programmed or user-programmable watchdog
timeout
- ±10% Accurate timer (maximum)
- Factory programmed: 1 msec to 100 sec
- Factory programmed or user-programmable reset
delay
- ±10% Accurate timer (maximum)
- Factory programmed option: 2 msec to 10 sec
- Input voltage range: VDD = 1.04 V to 6.0 V
- Fixed threshold voltage (VIT-): 1.05 V
to 5.4 V
- Threshold voltage available in 50 mV steps
- 1.2% Voltage threshold accuracy (maximum)
- Built-in hysteresis (VHYS): 5% (typical)
- Ultra low supply current: IDD = 250 nA (typical)
- Open-drain, push-pull; active-low outputs
- Various programmability options:
- Watchdog enable-disable
- Watchdog startup delay: no delay to 10 sec
- On the fly timer extension: 1X to 256X
- Latched output option
- MR functionality support
Description for the TPS35
The TPS35 is an ultra-low power consumption (250 nA typical) device offering a precision voltage supervisor with a programmable timeout watchdog timer. The TPS35 supports wide threshold levels for undervoltage supervision with 1.2% accuracy across the specified temperature range.
The TPS35 offers a high accuracy timeout watchdog timer with a host of features for a wide variety of applications. The timeout watchdog timer can be factory programmed or user programmed using an external capacitor. The timer value can be changed on-the-fly using a combination of logic pins. The watchdog also offers unique features such as enable-disable, start-up delay, independent WDO pin option.
The RESET or WDO delay can be set by factory-programmed default delay settings or programmed by an external capacitor. The device also offers a latched output operation where the output is latched until the supervisor or watchdog fault is cleared.
The TPS35 provides a performance upgrade alternative to TPS3851 device family. The TPS35 is available in a small 6-pin WSON and 8-pin SOT-23 package.