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UP6182 - Dual Synchronous Buck Controller

Description

The uP6182 is a dual synchronous buck controller with 5V/3.3V 100mA LDOs for notebook system power supply solution.

A 250kHz VCLK output can be used for external charge pump to generate gate drive voltage for load switches.

Features

  • include overcurrent protection, overvoltage protection, power-up sequencing, power OK output, and thermal shutdown. The uP6182 is available in the space saving package VQFN4x4-24L, specified from -40 OC to 85 OC. † Two Synchronous Buck Controllers † Output Voltage Range: 2V to 5.5V † Selectable Audio Mode in Light Load † Internal 1.6ms Output Voltage Softstart † Adaptive On Time Control Architecture † 4500ppm/OC RDS(ON) Current Sensing † 100mA 5V/3.3V LDO with Switches † 1% 2V Reference Voltage.

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Datasheet Details

Part number UP6182
Manufacturer uPI Semiconductor
File Size 801.81 KB
Description Dual Synchronous Buck Controller
Datasheet download datasheet UP6182 Datasheet

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uP6182 Dual Synchronous Buck Controller with 5V/3.3V 100mA LDOs for Notebook System Power General Description The uP6182 is a dual synchronous buck controller with 5V/3.3V 100mA LDOs for notebook system power supply solution. A 250kHz VCLK output can be used for external charge pump to generate gate drive voltage for load switches. The uP6182 supports high efficiency, fast transient response and a combined power-good signal. The out of audio mode maintains the switching frequency above audio frequency, which eliminates noise in audio applications. The adaptive on-time control provides a convenient and efficient operation. The uP6182 has internal soft-start to control the inrush current.
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