
Micrel
General Description
The MIC2753 and MIC2754 are ultraminiature, full-featured, power supply supervisors featuring active-high and active-low reset outputs, respectively.
The MIC2753/4 includes an undervoltage detector with a power-on reset generator and reset output, an overvoltage detector with a separate output for activating crowbar circuits, and a debounced manual reset input. Typical supply current is a low 30µA.
FEATUREs
• Undervoltage and overvoltage monitor
• Separate overvoltage flag output
• Generates 140ms (minimum) power-on reset pulse
• Debounced manual reset input
• Choice of active-high (MIC2753) or active-low (MIC2754) reset outputs
• Low 30µA typical supply current
• No external components needed
• IttyBitty™ SOT-23-5 package
APPLICATIONs
• Computer systems
• Embedded controllers
• Power supplies
• Telecommunications systems