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TI(德州仪器) LP3906
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  • TI(德州仪器) LP3906
  • TI(德州仪器) LP3906
  • TI(德州仪器) LP3906
  • TI(德州仪器) LP3906
  • TI(德州仪器) LP3906
  • TI(德州仪器) LP3906
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LP3906

LP3906

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具有 I2C 兼容接口的双通道高电流降压 DC/DC 和双通道线性稳压器

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  • 特性
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  • 封装 | 引脚 | 尺寸

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.

  • 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

All trademarks are the property of their respective owners.

Regulated outputs (#)4
ConfigurabilityFactory programmable, Software configurable
Vin (min) (V)2.7
Vin (max) (V)5.5
Iout (max) (A)1.5
FeaturesComm control, Dynamic voltage scaling, Enable, Overcurrent protection, Synchronous rectification, Thermal shutdown, UVLO fixed
Step-up DC/DC converter0
Step-down DC/DC converter2
Step-down DC/DC controller0
Step-up DC/DC controller0
LDO2
Iq (typ) (mA)0.07
RatingCatalog
Switching frequency (max) (kHz)2000
Operating temperature range (°C)-40 to 85
Processor supplierGeneric
Processor nameGeneric
Shutdown current (ISD) (typ) (µA)0.04
Switching frequency (typ) (kHz)2000
WQFN (NHZ)2420 mm² 5 x 4
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