1 Features
1• Ultralow Supply Current: 380 nA
• Wide Supply Voltage Range: 4.5 V to 18 V
• High Threshold Accuracy: ±2.5%
• Internal Hysteresis
• Push-Pull Output
• 20-ms (max) Delay Timing
• Factory-Trimmed, Fixed-Voltage Thresholds
• Specified Operating Temperature Range:
–40°C to +85°C
• Operational from –40°C to +105°C
• Package: 5-Pin SOT

industry2
Applications
• Portable and Battery-Powered Equipment
• Desktops, Notebooks, and Ultrabooks
• Industrial Systems
• Servers
• Security Systems

3 Description
The TPS3847 family consists of wide operating
voltage, ultralow-current devices that monitor the voltage at the supply pin. The device asserts an
active-low reset signal whenever the VCC supply
voltage drops below the factory-trimmed reset
threshold voltage. The reset output remains asserted for 20 ms (max) after the VCC voltage rises above
the threshold voltage.
The ultralow current consumption of 380 nA
combined with 18-V capability makes the TPS3847
ideal for use in low-power and portable applications.
The TPS3847 features precision, factory-trimmed
threshold voltages and extremely low-power
operation. The TPS3847 is available in an industry2
standard, 5-pin, SOT package.