LP3906 - 具有 I2C 兼容接口的双路高电流降压 DC/DC 和双路线性稳压器

LP3906是TI德州仪器公司的一款无产品，LP3906是具有 I2C 兼容接口的双路高电流降压 DC/DC 和双路线性稳压器，本站介绍了LP3906的封装应用图解、特点和优点、功能等，并给出了与LP3906相关的TI元器件型号供参考。

LP3906 - 具有 I2C 兼容接口的双路高电流降压 DC/DC 和双路线性稳压器 - 无 - 电源管理多通道IC(PMIC)解决方案 - 德州仪器

产品描述

The LP3906 is a multi-function, programmable Power Management Unit, optimized for low power FPGAs, Microprocessors and DSPs.

This device integrates two highly efficient 1.5A Step-Down DC/DC converters with dynamic voltage management (DVM), two 300mA Linear Regulators and a 400kHz I2C compatible interface to allow a host controller access to the internal control registers of the LP3906. The LP3906 additionally features programmable power-on sequencing and is offered in a tiny 5 x 4 x 0.8mm WQFN-24 pin package.

产品特性

Compatible with Advanced Applications Processors and FPGAs
2 LDOs for Powering Internal Processor Functions and I/Os
High Speed Serial Interface for Independent Control of Device Functions and Settings
Precision Internal Reference
Thermal Overload Protection
Current Overload Protection
24-lead 5 × 4 × 0.8 mm WQFN Package
Software Programmable Regulators

Key Specifications

DC/DC Converter (Buck)
- 1.5A Output Current
- Programmable VOUT from:Buck1 : 0.8V–2.0VBuck2 : 1.0V–3.5V
- Up to 96% Efficiency
- 2 MHz PWM Switching Frequency
- ±3% Output Voltage Accuracy
- Automatic Soft Start
Linear Regulators (LDO)
- Programmable VOUT of 1.0V–3.5V
- ±3% Output Voltage Accuracy
- 300 mA Output Currents
- 25 mW (Typ) Dropout

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