LP3907-Q1

Product Folder Order Now Technical Documents Tools & Software Support & Community LP3907-Q1 SNVSA55C – DECEMBER 2014 – REVISED JANUARY 2018 LP3907-Q1 Dual 1-A and 600-mA Buck Converters and Dual 300-mA LDOs With I2C Interface for Automotive Applications 1 Features 1 Qualified for Automotive Applications AEC Q100-Qualified With the Following Results – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature 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 – 300-mA Output Current – 30-mV (typical) Dropout 2 Applications PMIC for Automotive and Industrial Applications FPGA, DSP Core Power Applications Processors Peripheral I/O Power 3 Descript...