Linear regulator (LDO)
MM1898
Overview
This IC is a low noise negative output 200mA LDO by bipolar process. The target applications by noise reduction pin are for a power supply of highly sensitive image sensor. The output range is from -0.9V to -5.0V , it can use to the negative power supply of CMOS image sensor.
Application
・Photographing / Imaging device
・Power supply for high-sensitivity image sensor
・Power supply for negative voltage circuit
Features
Negative output
Main specifications
| Output current [mA] |
200 |
|---|---|
| Absolute maximum rating [V] |
-12.0 |
| Recommended operating voltage Min. [V] |
-10.00 |
| Recommended operating voltage Max. [V] |
-2.0 |
| Output voltage Min. [V] |
-5.00 |
| Output voltage Max. [V] |
-0.90 |
| Output voltage accuracy [%] |
±1.0 |
| No-Load Input Current [μA] |
160.0 |
| Dropout Voltage [V] |
0.50 |
| PSRR [dB] |
70 |
| Output capacitor [μF] |
1.00 |
| Circuit structure | 1ch LDO |
| Operating ambient temperature Min. [deg.C] |
-40 |
| Operating ambient temperature Max. [deg.C] |
85 |
| OFF input current Typ. [μA] |
3.00 |
| Output noise voltage Typ. [μVrms] |
30 |
| Protection function | OCP, TSD, UVLO |
| Additional function | ON/OFF control (positive voltage control), Auto discharge, Noise reduction capacitor |
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