Datasheet Details
| Part number | LP5551 |
|---|---|
| Manufacturer | National Semiconductor (now Texas Instruments) |
| File Size | 3.28 MB |
| Description | Compliant Energy Management Unit |
| Datasheet |
 LP5551 Datasheet
|
|
|
General Description
The LP5551 is a PWI 1.0 compliant Energy Management System for reducing power consumption of stand-alone mobile phone processors such as base-band or applications processors.
Key Features
- 2 300 mA buck regulators operate 180 degrees out of phase for reduced EMI.
- 1 MHz PWM switching frequency.
- 4 programmable LDOs ideal for I/O (two of these), PLL, and memory retention supply generation. Adaptive Voltage Scaling.
- Supports high-efficiency PowerWise Technology.
- PWI open standard interface for system power.
- management Digitally controlled intelligent voltage scaling Auto or PWI controlled PFM mode transition Internal soft start/.