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LP3906

Texas Instruments
Part Number LP3906
Manufacturer Texas Instruments
Description Dual High-Current Step-Down DC/DC and Dual Linear Regulator
Published Jul 9, 2020
Detailed Description LP3906 www.ti.com SNVS456M – AUGUST 2006 – REVISED MAY 2013 Dual High-Current Step-Down DC/DC and Dual Linear Regulat...
Datasheet PDF File LP3906 PDF File

LP3906
LP3906

Overview
LP3906 www.
ti.
com SNVS456M – AUGUST 2006 – REVISED MAY 2013 Dual High-Current Step-Down DC/DC and Dual Linear Regulator with I2C Compatible Interface Check for Samples: LP3906 FEATURES 1 •2 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 APPLICATIONS • FPGA, DSP Core Power • Applications Processors • Peripheral I/O Power KEY SPECIFICATIONS • DC/DC Converter (Buck) – 1.
5A Output Current – Programmable VOUT from: – Buck1 : 0.
8V–2.
0V – Buck2 : 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 DESCRIPTION The LP3906 is a multi-function, programmable Power Management Unit, optimized for low power FPGAs, Microprocessors and DSPs.
Typical Application Circuits 0.
47 PF 1 PF 1 PF 0.
47 PF EN_T ENLDO1 ENLDO2 ENSW1 ENSW2 LDO1 VINLDO1 VINLDO2 LDO2 SDA SCL GND_L GND_C VINLDO12 SYNC VIN1 LP3906 SW1 FB1 GND_SW1 VIN2 DAP SW2 FB2 GND_SW2 AVDD 1 PF 10 PF 2.
2 PH 10 PF 10 PF 2.
2 PH 10 PF 1 PF Figure 1.
Typical Application Circuit 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
2 PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
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