TPS621351

Product Folder Order Now Technical Documents Tools & Software Support & Community TPS62135, TPS621351 SLVSBH3B – JUNE 2016 – REVISED APRIL 2017 TPS62135, TPS621351 High Accuracy 3-V to 17-V 4-A Step-Down Converters with DCS-Control™ 1 Features 1 Output Voltage Accuracy ± 1% (PWM mode) Input Voltage Range: 3 V to 17 V Quiescent Current 18 µA Typ Output Voltage from 0.8 V to 12 V Adjustable Soft-Start Forced PWM or PWM/PFM operation Typical switching frequency of 2.5MHz in forced PWM Precise ENABLE input allows – User-Defined Undervoltage Lockout – Exact Sequencing 100% Duty Cycle Mode Automatic Efficiency Enhancement AEE™ DCS-Control™ Topology Available with Active Output Discharge Optional HICCUP Overcurrent Protection Power Good Output Available in 3-mm x 2-mm VQFN Package 2 Applications Standard 12-V Rail Supplies POL for Connected Standby Requirements POL Supply from Single or Multiple Li-Ion Battery Gaming Consoles, SSD Drives Mobile and Embedded Computers VBAT = 3.0V to 17V 10uF Simplified Schematic TPS62135 VIN SW VOS EN FB 1 uH VSEL PG VOUT = 0.8V to 12V R1 22uF R 2 MODE FB2 SS/TR GND Copyright © 2016, Texas Instruments Incorporated 1 3 Description The TPS62135 and TPS621351 are high efficiency and easy to use synchronous step-down DC-DC converters, based on the DCS-Control™ Topology. The devices wide input voltage range of 3-V to 17-V makes it suitable for multi-cell Li-Ion as well as 12-V intermediate supply ...