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TPS40140 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. TPS40140
Description  DUAL OR 2-PHASE, STACKABLE CONTROLLER
Download  65 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS40140 Datasheet(HTML) 1 Page - Texas Instruments

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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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