LP8758-E0 - LP8758-E0 四相 DC-DC 降压转换器

LP8758-E0是TI德州仪器公司的一款DC/DC多相产品，LP8758-E0是LP8758-E0 四相 DC-DC 降压转换器，本站介绍了LP8758-E0的封装应用图解、特点和优点、功能等，并给出了与LP8758-E0相关的TI元器件型号供参考。

LP8758-E0 - LP8758-E0 四相 DC-DC 降压转换器 - DC/DC多相 - DC/DC开关稳压器 - 德州仪器

产品特性

Four High-Efficiency Step-Down DC-DC Converter Cores:
- Maximum Output Current 4 A Per Core
- Auto PWM-PFM and Forced-PWM Operations
- Programmable Output Voltage Slew-Rate from 30 mV/µs to 0.5 mV/µs
- Input Voltage Range = 2.5 V to 5.5 V
- VOUT Range = 0.5 V to 3.36 V with DVS
Programmable Start-up and Shutdown Sequencing With Enable Signal
I2C-Compatible Interface Which Supports Standard (100 kHz), Fast (400 kHz), Fast+ (1 MHz), and High-Speed (3.4 MHz) Modes
Interrupt Function with Programmable Masking
Load Current Measurement
Output Short-Circuit and Overload Protection
Spread-Spectrum Mode for EMI Reduction
The Four Cores Operate 90° out of Phase Thereby Reducing Input Ripple Current
Over-Temperature Warning and Protection
Undervoltage Lockout (UVLO)

产品应用

Smart Phones, eBooks and Tablets
Network Processor Cards (NPCs), Wireless and DSL Modems
Solid State Drives
Gaming Devices

产品说明

The LP8758-E0 is designed to meet the power management requirements for low-power processors in mobile phones, network cards, and similar applications. The device contains four step-down DC-DC converter cores, which provides four output voltage rails. The device is controlled by an I2C-compatible serial interface.

The automatic PWM-PFM (AUTO mode) operation maximizes efficiency over a wide output-current range.

The LP8758-E0 supports programmable start-up and shutdown sequencing synchronized to Enable signal.

The protection features include short-circuit protection, current limits, input supply UVLO, and temperature warning and shutdown functions. Several error flags are provided for status information of the device. In addition, the LP8758-E0 device supports load current measurement without the addition of external current sense resistors. During start-up and voltage change, the device controls the output slew rate to minimize output voltage overshoot and the inrush current.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LP8758-E0	DSBGA (35)	2.88 mm × 2.13 mm

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