MIC2774N-31YM5-TR
Supervisors
Technical Specifications
| Type | Description |
|---|---|
| Operating Temp | -40°C ~ +85°C @(TA) |
| Function | Manual reset input |
| Working Voltage V | 3.5 V |
| Reset Timeout | 140ms |
| output type | Open-drain |
| Reset Active Level | Active Low |
| Type | Description |
|---|---|
| standby current | 3.5uA |
| Chiptype | Voltage monitor |
| Threshold Voltage | 2.25V |
| Number of Voltages Monitored | 2 |
| Package / Case | SOT-23-5 |
Product Introduction
The MIC2774 is a dual power supply supervisor that provides undervoltage monitoring, manual reset capability, and power - on reset generation in a compact 5 - pin SOT - 23 package. Features include two undervoltage detectors, one fixed and one adjustable, and a choice of reset outputs. One undervoltage detector compares VDD against a fixed threshold. Ten factory - programmed thresholds are available. The second, user - adjustable input is compared against a 300mV reference. This low reference voltage allows for the monitoring of voltages lower than those supported by previous supervisor ICs.
The reset outputs are asserted at power - on and at any time either voltage drops below the programmed threshold voltage and remains asserted for 140ms (min.) after they subsequently rise back above the threshold boundaries. Manual reset functionality can be provided by a switch connected between ground and the /MR input. A wide choice of voltage thresholds provides for a variety of supply voltages and tolerances. Hysteresis is included to prevent chattering due to noise. Typical supply current is a low 3.5μA.
Features
- Monitors two independent power supplies for undervoltage conditions
- One fixed and one user - adjustable input
- Choice of ten factory - programmed thresholds
- Adjustable input can monitor supplies as low as 0.3V
- Generates 140ms (min.) power - on reset pulse
- Manual reset input
- Choice of active - high, active - low, or open - drain active - low reset outputs
- Inputs may be pulled above VDD (7V abs. max.)
- /RST output valid down to 1.2V
- Ultra - low supply current, 3.5μA typical
- Rejects brief input transients
- 5 - pin SOT - 23 package
- Pin - compatible upgrade for MAX6306/09/12
Applications
- - Monitoring processor ASIC or FPGA core and I/O voltages - PDAs, hand - held PCs - Embedded controllers - Telecommunications systems - Power supplies - Wireless/cellular systems - Networking hardware
Datasheet
Alternative Parts
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Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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