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LP3971SQE-B510
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Category:Battery management chip
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Product Name:Power management unit for advanced application processors
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Manufacturers:NSC
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Production Batch Number:10+
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Encapsulation:LLP-40
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Stock Status:There is stock
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Stock Quantity:10000
- Minimum order quantity: 1
- Details:
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peculiarity
- Compatible with advanced application processors requiring DVM (Dynamic Voltage Management)
- A triple buck regulator is used to drive high-current processor functions or I/O
- 6 LDO powered RTC, peripherals and I/O
- Automatic switching of backup battery charger, lithium manganese button battery and supercapacitor
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I 2 C-compatible high-speed serial interface
- Software controls adjustment functions and settings
- Precision internal reference
- Thermal overload protection
- Current overload protection
- Tiny 40-pin 5x5mm LLP package
illustrate
The LP3971 is a versatile, programmable power management unit, especially for advanced application processor designs. The LP3971 is optimized for low-power handheld applications and offers six low dropout, low noise linear regulators, three DC/DC magnetic buck regulators, a backup battery charger, and two GPIOs. Includes a high-speed serial interface and on/off control scheme, separate regulator output voltage.
Main specifications Buck regulator
- From 0.725 to 3.3VProgrammableV OUT
- Up to 95% efficiency
- Up to 1.6A output current
- ± 3% output voltage accuracy
LDO's
- Programmable VOUTis 1.0V - 3.3V
- ± 3% output voltage accuracy
- 150/300/370 mA output current
- LDO RTC of 30 mA
- LDO of 1 300 mA
- LDO 2 150 mA
- LDO 3 150 mA
- LDO 4 150 mA
- LDO of 5 370 mA
- 100 mV dropout voltage (typical)
apply
- PDA phones
- Smartphones
- Personal media player
- Digital cameras
- Application processor
- Marvell's PXA
- Freescale
- Samsung
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