MM1926
Overview
This IC is a secondary 250mA LDO with conection error detection.
The IC supplies the power for external connection equipment of car navigation (GPS/TV/Radio/Microphone/Camera), and detect open/short-circuit of output. Open/Short detection function can be used in stand-alone without ADC and high accuracy detection by individual setting.
It can be easily to configure power supply circuit by the power supply fault protection and short-flag delay function for the rush current.
Application
・In-vehicle infotainment device
・Power supply for antenna
Features
Detecting for connected device
Main specifications
| Output current [mA] |
250 |
|---|---|
| Absolute maximum rating [V] |
16.0 |
| Recommended operating voltage Min. [V] |
2.50 |
| Recommended operating voltage Max. [V] |
14.0 |
| Output voltage Min. [V] |
3.00 |
| Output voltage Max. [V] |
10.00 |
| Output voltage accuracy [%] |
±2.0 |
| No-Load Input Current [μA] |
200.0 |
| Dropout Voltage [V] |
0.20 |
| PSRR [dB] |
70 |
| Output capacitor [μF] |
2.20 |
| Circuit structure | 1ch LDO + Conection error detection |
| Operating Ambient Temperature Min. [deg.C] |
-40 |
| Operating Ambient Temperature Max. [deg.C] |
85 |
| OFF input current Typ. [μA] |
0.10 |
| Open detection accuracy [%] |
±15 |
| Short detection accuracy [%] |
±25 |
| Protection function | OCP, TSD, Reverse current protection |
| Additional function | ON/OFF control, Connection error detection (open/short flag output) |
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Associated Data
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Ideal for car battery voltage monitoring. MinebeaMitsumi's 40V high voltage resistant reset IC.
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"MM3878 Series" is a Secondary side synchronous rectification control ICs for AC/DC power supply that achieves high efficiency and safety through unique control.
