LP3907

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...