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TPS40140 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS40140 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 65 page  www.ti.com 1 INTRODUCTION 1.1 FEATURES HDRV1 SW1 LDRV1 HDRV2 TPS40140 SW2 LDRV2 L1 CS1 VIN CSRT1 L2 CS2 VIN CSRT2 VOUT1 VOUT2 UDG−06016 1.3 DESCRIPTION 1.2 APPLICATIONS 1.4 ORDERING INFORMATION TPS40140 DUAL OR 2-PHASE, STACKABLE CONTROLLER SLUS660A – SEPTEMBER 2005 – REVISED JULY 2006 • VDD From 4.5 V to 15 V, With Internal 5-V Regulator • V OUT From 0.7 V to 5.8 V • Converts From 15V Input to 0.7V Output at 1MHz • Dual-Output or 2-Phase Interleaved Operation, Stackable to 16 Phases • Supports Pre-Biased Outputs Programmable Switching Frequency Up to 1 MHz/Phase • 0.5% Internally Trimmed 0.7-V Reference • 10-µA Shutdown Current • Current Mode Control with Forced Current Sharing(1) • 1V to 40V Power Stage Operation Range • Power Sharing from Different Input Voltage Rails, (e.g. Master From 5 V, Slave From 12 V) • True Remote Sensing Differential Amplifier • Programmable Input Undervoltage Lockout The TPS40140 is a multifunctional synchronous buck controller that can be • Resistive or Inductor DCR Current Sensing configured to provide either a single-output • Provide a 6-Bit Digitally-Controlled Output two-phase power supply or a power supply When Used With TPS40120 that supports two independent outputs. • 36-pin QFN Package Several TPS40140 controllers can be stacked up to a 16-phase multiphase single output power supply. Alternatively, several controllers providing multiple independent outputs can be • Graphic Cards synchronized in an interleaving pattern for • Internet Servers improved input ripple current. • Networking Equipment The TPS40140 is capable of converting from a • Telecommunications Equipment 15-V input to a 0.7-V output at 1MHz. • DC Power Distributed Systems Each phase operates at a switching frequency of up to 1 MHz. The two phases in one device operate 180 ° out-of-phase. In a multiple device stackable configuration, the phase shift of the (1) Patents Pending slaves, relative to a master, is programmable. PACKAGE TAPE AND REEL QTY. PART NUMBER 250 TPS40140RHHT Plastic Quad Flatpack 36-pin RHH (PQFP) 3000 TPS40140RHHR 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 document. PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2006 , 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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