The MAX6391/MAX6392 microprocessor (µP) supervisory circuits provide sequenced logic reset outputs for multi component or dual-voltage systems. Each device can monitor two supply voltages and time-sequence two reset outputs to control the order in which system components are turned on and off. The MAX6391/MAX6392 increase system reliability and reduce circuit complexity and cost compared to separate ICs or discrete components.
♦ Preset VCC Reset Threshold Voltages from 1.58V to 4.63V (master supply)
♦ Customer-Adjustable RESET IN2 to Monitor Voltages Down to 625mV (secondary supply)
♦ Fixed (140ms min) RESET1 Timeout
♦ Fixed (140ms min) or Customer-Adjustable RESET2 Timeout Period
♦ Guaranteed Reset Valid to VCC = 1V
♦ Active-Low Open-Drain Outputs or Push Pull/Open-Drain Combination
♦ Internal Open-Drain Pullup Resistors (for external VOH voltage connections)
♦ Manual Reset Input (MAX6392 only)
♦ Immune to Short Negative VCC Transients
♦ 15µA Typical Supply Current
♦ Few External Components
♦ Small 8-Pin SOT23 Package
Attribute | Attribute Value |
---|---|
Manufacturer | Maxim Integrated |
Product Category | Supervisors |
Series | MAX6392 |
Type | Multi-Voltage Supervisor |
Packaging | Tape & Reel (TR) |
Mounting-Style | SMD/SMT |
Package-Case | SOT-23-8 |
Operating-Temperature | -40°C ~ 85°C (TA) |
Mounting-Type | Surface Mount |
Output-Type | Active Low Open Drain Push-Pull |
Supplier-Device-Package | SOT-23-8 |
Output | Open Drain, Push-Pull |
Reset | Active Low |
Voltage monitoring relays | 2 |
Reset-Timeout | 140 ms/Adjustable Minimum |
Voltage-Threshold | 2.93V, Adj |
Pd-Power-Dissipation | 421 mW |
Maximum Operating Temperature | + 85 C |
Operating temperature range | - 40 C |
Operating-Supply-Current | 15 uA |
Battery-Backup-Switching | No Backup |
Part-#-Aliases | MAX6392 |
Supply-Voltage-Max | 5.5 V |
Supply-Voltage-Min | 1 V |
Package-Case | SOT-23-8 |
Watchdog-Timers | No Watchdog |
Threshold-Voltage | 1.2 V to 5.5 V |
Input Monitoring | 2 Input |
Manual-Reset | Manual Reset |
Chip-Enable-Signals | No Chip Enable |
Power-Fail-Detection | No |
Reset-Delay-Time | 280 ms |
Overvoltage-Threshold | 0.64 V 3 V |
Undervoltage-Threshold | 2.85 V 0.61 V |
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