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The LP3910 is a programmable system power management unit optimized for HDD-based portable media players. The device incorporates two lowdropout LDO voltage regulators, two integrated buck DC-DC converters with dynamic voltage scaling (DVS), one wide load-range buck-boost DC-DC converter with programmable output voltage, a 4channel, 8-bit ADC, and a dual-sou.
•1 Two Low-Dropout Regulators With Programmable Output Voltages:
– LDO1 for General Purpose Applications
– LDO2 for Low-Noise Analog Applications
• Green and Red LED-Charger Status Drivers
• 4-Channel 8-Bit Dual Slope
Analog-to-Digital (ADC) Converter
• 2 High-Efficiency DVS Buck Converters
• Wide Load Range Buck-Boost DC-DC Converter
• 400-kHz I2C-Compatible Interface
• Linear Constant-Current and Constant-Voltage
Charger for Single-Cell Lithium-Ion Batteries
• USB and Adapter Charging
• System Power Supply Management
• Voltage and Thermal Supervisory Circuits
• Continuous Battery Voltage Mon.
LP3910 - National Semiconductor
The LP3910 is a programmable system power management unit that is optimized for HDD-based Portable Media Players. The LP.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | LP3913 |
Texas Instruments |
Power Management |
|
| 2 | LP3913 |
National Semiconductor |
Power Management |
|
| 3 | LP3917 |
National Semiconductor |
CDMA Cellular Phone Power Management |
|
| 4 | LP3918 |
Texas Instruments |
Battery Charge Management/Regulator |
|
| 5 | LP3919 |
National Semiconductor |
CDMA Power Management |
|
| 6 | LP3905 |
Texas Instruments |
Power Management |
|
| 7 | LP3905 |
National Semiconductor |
Power Management Unit For Low Power Handheld Applications |
|
| 8 | LP3906 |
Texas Instruments |
Dual High-Current Step-Down DC/DC and Dual Linear Regulator |
|
| 9 | LP3906 |
National Semiconductor |
Dual High Current Step Down DC/DC and Dual Linear Regulator |
|
| 10 | LP3907 |
Texas Instruments |
Dual 1-A and 600-mA Buck Converters and Dual 300-mA LDO |
|
| 11 | LP3907 |
National Semiconductor |
Dual High-Current Step-Down DC/DC and Dual Linear Regulator |
|
| 12 | LP3907-Q1 |
Texas Instruments |
Dual 1-A and 600-mA Buck Converters and Dual 300-mA LDO |
|