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LP3907

Texas Instruments
Part Number LP3907
Manufacturer Texas Instruments
Description Dual 1-A and 600-mA Buck Converters and Dual 300-mA LDO
Published Jul 9, 2020
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community LP3907 SNVS511U – JUNE 2007 – REV...
Datasheet PDF File LP3907 PDF File

LP3907
LP3907

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community LP3907 SNVS511U – JUNE 2007 – REVISED JANUARY 2018 LP3907 Dual 1-A and 600-mA Buck Converters and Dual 300-mA LDOs With I2C Interface 1 Features •1 Input Voltage Range: 2.
8 V to 5.
5 V • 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 • Software Programmable Regulators • External Power-On-Reset Function for Buck1 and Buck2 (Power Good with Delay Function) • Undervoltage Lockout Detector to Monitor Input Supply Voltage • Step-Down DC-DC Converters (Buck) – Programmable VOUT from: – Buck1 : 0.
8 V–2 V at 1 A – Buck2 : 1 V–3.
5 V at 600 mA – Up to 96% Efficiency – 2.
1-MHz PWM Switching Frequency – PWM-to-PFM Automatic Mode Change Under Low Loads – ±3% Output Voltage Accuracy – Automatic Soft Start • Linear Regulators (LDO) – Programmable VOUT of 1 V to 3.
5 V (except JJ11, FX6W, and JX6X options) – 300-mA Output Current – 30-mV (typical) Dropout – Create a Custom Design Using the LP3907 With the WEBENCH® Power Designer 2 Applications • FPGA, DSP Core Power • Applications Processors • Peripheral I/O Power • Hearing Aids • Electronic Measurement Units • Equipment Run-Off of Battery Backup 3 Description The LP3907 device is a multi-function, programmable power management unit (PMU) optimized for lowpower FPGAs, microprocessors, and DSPs.
This device integrates two highly efficient 1-A, 600-mA step-down DC-DC converters with dynamic voltage scaling (DVS), two 300-mA linear regulators, and a 400-kHz I2C interface to allow a host controller access to the internal control registers of the device.
The LP3907 additionally features programmable power-on sequencing.
Features include programmable power-on sequencing, communication control (I2C), dynamic...


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