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LP3906 Datasheet(PDF) 1 Page - Texas Instruments |
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LP3906 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 47 page  VINLDO12 SYNC VIN1 SW1 FB1 GND_SW1 VIN2 SW2 2.2 PH 2.2 PH 10 PF 10 PF 1 PF 10 PF FB2 GND_SW2 AVDD 10 PF 1 PF 0.47 PF 1 PF 1 PF 0.47 PF GND_C GND_L SCL SDA LDO2 LDO1 VINLDO2 VINLDO1 ENSW2 ENSW1 ENLDO2 ENLDO1 EN_T LP3906 DAP 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 1 FEATURES KEY SPECIFICATIONS 2 • Compatible with Advanced Applications • DC/DC Converter (Buck) Processors and FPGAs – 1.5A Output Current • 2 LDOs for Powering Internal Processor – Programmable VOUT from: Functions and I/Os – Buck1 : 0.8V–2.0V • High Speed Serial Interface for Independent – Buck2 : 1.0V–3.5V Control of Device Functions and Settings – Up to 96% Efficiency • Precision Internal Reference – 2 MHz PWM Switching Frequency • Thermal Overload Protection – ±3% Output Voltage Accuracy • Current Overload Protection – Automatic Soft Start • 24-lead 5 × 4 × 0.8 mm WQFN Package • Linear Regulators (LDO) • Software Programmable Regulators – Programmable VOUT of 1.0V–3.5V – ±3% Output Voltage Accuracy APPLICATIONS – 300 mA Output Currents • FPGA, DSP Core Power – 25 mW (Typ) Dropout • Applications Processors • Peripheral I/O Power DESCRIPTION The LP3906 is a multi-function, programmable Power Management Unit, optimized for low power FPGAs, Microprocessors and DSPs. Typical Application Circuits 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. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2006–2013, Texas Instruments Incorporated 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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