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TPS40140 Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS40140 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 68 page HDRV1 SW1 LDRV1 HDRV2 TPS40140 SW2 LDRV2 L1 CS1 VIN CSRT1 L2 CS2 VIN CSRT2 VOUT1 VOUT2 UDG−06016 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS40140 SLUS660I – SEPTEMBER 2005 – REVISED JANUARY 2015 TPS40140 Dual or 2-Phase, Stackable Controller 1 Features 2 Applications 1 • VDD from 4.5 to 15 V, With Internal 5-V Regulator • Graphic Cards • VOUT from 0.7 V to 5.8 V • Internet Servers • Converts from 15-V Input to 0.7-V Output at • Networking Equipment 1 MHz • Telecommunications Equipment • Dual-Output or 2-Phase Interleaved Operation, • DC Power Distributed Systems Stackable to 16 Phases 3 Description • Supports Prebiased Outputs The TPS40140 is a multifunctional synchronous buck Programmable Switching Frequency up to controller that can be configured to provide either a 1 MHz/Phase single-output 2-phase power supply or a power • 0.5% Internally Trimmed 0.7-V Reference supply that supports two independent outputs. • 10- μA Shutdown Current Several TPS40140 controllers can be stacked up to a 16-phase single output power supply. Alternatively, • Current Mode Control With Forced Current several controllers providing multiple independent Sharing (1) outputs can be synchronized in an interleaving • 1- to 40-V Power Stage Operation Range pattern for improved input ripple current. • Power Sharing From Different Input Voltage Rails, The TPS40140 can convert from a 15-V input to a (for Example, Master From 5 V, Slave From 12 V) 0.7-V output at 1 MHz. • True Remote Sensing Differential Amplifier Each phase operates at a switching frequency of up • Programmable Input Undervoltage Lockout to 1 MHz. The two phases in one device operate (UVLO) 180° out-of-phase. In a multiple-device stackable • Resistive or Inductor DCR Current Sensing configuration, the phase shift of the slaves, relative to a master, is programmable. • Provide a 6-Bit Digitally Controlled Output When Used With TPS40120 Device Information(1) • 36-Pin VQFN Package PART NUMBER PACKAGE BODY SIZE (NOM) TPS40140 VQFN (36) 6.00 mm × 6.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. (1) Patents Pending Simplified Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
Numéro de pièce similaire - TPS40140_16 |
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Description similaire - TPS40140_16 |
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