Datasheet Details
| Part number | MB3891 |
|---|---|
| Manufacturer | Fujitsu Semiconductor Limited |
| File Size | 446.13 KB |
| Description | Power Management |
| Datasheet |
 MB3891 Datasheet
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General Description
MB3891 is intended to be used in future GSM-phones, Dual Band phones and Dual Mode phones.
It contains all the necessary functions to support all Digital, Analog and RF blocks in these phones.
Key Features
- Supply voltage range : 3 V to 5.5 V.
- Low power consumption current during standby : 400 µA (MAX).
- 6-channel low-saturation voltage type series regulator : 2.1 V/2 channels, 2.8 V/3 channels, 2.5 V/2.8 V switch.
- Error prevention function during Low voltage.
- Power on reset function.
- 3 V/5 V SW for SIM-Card.
- SIM interface function.
- Backflow prevention function for Battery-Backup.
- Temperature prevention function s PAC.