ELM97xxxxBCMOS Voltage detector
ELM97xxxxB is CMOS voltage detector IC which consists of very-low-power-consumption reference voltage source, comparator, output driver, hysteresis circuit and detection voltage setting resistor. Because of positive logic output, the output becomes low level when Vdd is lower than detection voltage. There are 2 types of output style of ELM97 series: N-ch opendrain and CMOS output. ELM97 series can be made as semi-custom IC within the range of 0.9V to 5.5V(N-ch) and 1.6V to 5.5V(CMOS) by 0.1V step.
| Detection voltage range | N-ch:0.9V to 5.5V(by 0.1V) CMOS:1.6V to 5.5V(by 0.1V) |
|---|---|
| Low voltage operation | Reset operation assured at 0.8V |
| Low current consumption | Typ.1µA(Vdd=1.5V) |
| Accuracy of detection voltage | ±2.5% |
| Temperature coefficient | Typ.-300ppm/°C(Vdetn<2V) Typ.-100ppm/°C(Vdetn>=2V) |
| Package | SOT-89 SOT-23 |
| Datasheet | ELM97series |
- Application
- Reset for microcomputers
- Power voltage shortage detectors
- Switch of backup power source
- Battery checkers
Absolute Maximum Ratings
| Parameter | Symbol | Limit | Unit |
|---|---|---|---|
| Power supply voltage | Vdd | 10 | V |
| Output voltage | Vout | N-ch: Vss-0.3 to +10 CMOS: Vss-0.3 to Vdd+0.3 | V |
| Output current | Iout | 50 | mA |
| Power dissipation | Pd | 500(SOT-89), 250(SOT-23) | mW |
| Operating temperature | Top | -40 to +85 | °C |
| Storage temperature | Tstg | -55 to +125 | °C |
Block diagram
N-ch
CMOS
