TPS3430 Texas instruments

TPS3430

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TPS3430

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Описание

The TPS3430 is a standalone window watchdog timer with programmable watchdog window and programmable watchdog reset delay for a wide variety of applications. The TPS3430 window watchdog achieves 2.5% timing accuracy (typical at 25°C) and the watchdog output ( WDO) reset delay can be set by factory-programmed default delay settings, or programmed by an external capacitor. The watchdog can be disabled via the SET pins to avoid undesired watchdog timeouts during the development process or during power on.The TPS3430 is available in a small 3.00-mm × 3.00-mm, 10-pin VSON package.

Factory-programmed precision watchdog timers:
- ±2.5% Accurate watchdog timeout and watchdog reset delays typical at 25°C
Watchdog disable feature
User-programmable watchdog timeout
User-programmable watchdog reset delay
Input voltage range: VDD = 1.6 V to 6.5 V
Low supply current: I_DD = 10 µA (typical)
Open-drain output
Small 3-mm × 3-mm, 10-Pin VSON package
Junction operating temperature range: –40°C to +125°C

Features	Watchdog disable, Watchdog timer, Window watchdog
Reset threshold accuracy (%)	0
Iq (typ) (mA)	0.01
Output driver type/reset output	Active-low, Open-drain
Supply voltage (min) (V)	1.6
Supply voltage (max) (V)	6.5
Rating	Catalog
Watchdog timer WDI (s)	Programmable
Operating temperature range (°C)	-40 to 125