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MAX692 Microprocessor Supervisory IC Datasheet
Photograph
Product Details
The MAX692 is a microprocessor monitor for monitoring the
system voltage of 4.4V.
The device includes a reset output for power up and down conditions, together with low voltage
brownout reset. Battery backup switching is provided to switch to
a back-up battery in power fail conditions. The MAX692 also includes
a watchdog timer, to prevent program lockup.
Features
- Precision Voltage Monitor 4.40V
- Reset Time Delay - 200ms
- Watchdog Timer - 1.6sec Timeout
- Battery-Backup Power Switching
- 200µA Quiescent Supply Current
- 50nA Quiescent Supply Current in Battery-Backup Mode
- Voltage Monitor for Power-Fail or Low-Battery Warning
- Guaranteed RESET Assertion to Vcc=1V
Pin Layout
Pin Description
| Pin Number | Description |
|---|---|
| 1 | Vout - Sense Output |
| 2 | Vcc - +5V Power Supply |
| 3 | GND - Ground |
| 4 | PFI - Power Fail Input |
| 5 | PFO - Power Fail Output |
| 6 | WDI - Watchdog Input |
| 7 | RESET - Active High Reset |
| 8 | Vbatt - Backup Battery Input |
Dimensional Drawing
Technical Data
