The MIC94300 is an integrated load switch that incorporates Micrel’s Ripple Blocker™ active filter technology. The MIC94300 provides high frequency ripple attenuation for applications where switching noise cannot be tolerated by sensitive downstream circuits such as RF Applications. The MIC94300 replaces a high-side switch, large filtering inductor, and capacitors to save board area.
The MIC94300 operates from an input voltage of 1.8 V to 3.6 V, allowing true load switching of low-voltage power rails in any electronic device. The output voltage is set at a fixed drop from the input voltage.
The MIC94300 evaluation board requires an input power supply that is capable of delivering a minimum of 300 mA at a voltage of 1.8 V to 3.6 V. The output load can be either active or passive.
The MIC94300 evaluation board does not have reverse polarity protection. Applying a negative voltage to the Vin terminal may damage the device.
| Manufacturer | Microchip Technology |
|---|---|
| Category | Power Management |
| Sub-Category | Load or Power Distribution Switches |
| Eval Board Part Number | MIC94300YMT-EV-ND |
| Eval Board Supplier | Microchip Technology |
| Eval Board |
Board not Stocked
|
| Current Out |
200 mA
|
| Voltage In |
1.8 ~ 3.6 V
|
| Features |
Current Limit (Adj. or Fixed)
Noise Filtering, On-Chip Shutdown, Enable, Standby Thermal Protection |
| On Resistance (Typ) @ Vin |
- Not Given
|
| Standby Current [Typical] |
200 nA
|
| Power Dissipation (Max) | |
| Quiescent Current [Typical] |
138 µA
|
| Component Count + Extras |
5 + 7
|
| Application / Target Market |
Automotive
Cell Phones Computers Digital Cameras GPS Security IP Camera |
| Design Author |
Microchip Technology
|
| Main I.C. Base Part |
MIC94300YMT
|
| Standby Current [Maximum] |
- Not Given
|
| Quiescent Current [Maximum] |
200 µA
|
| Date Created By Author | 2012-02 |
| Date Added To Library | 2013-03 |
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