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Product InformationFeatures
(1) Patents Pending Description
The TPS40140 is a multi-functional synchronous buck controller that can be configured to provide either a single-output two-phase power supply or a power supply that supports two independent outputs. Several TPS40140 controllers can be stacked up to a 16-phase multi-phase single output power supply. Alternatively, several controllers providing multiple independent outputs can be synchronized in an interleaving pattern for improved input ripple current. The TPS40140 is capable of converting from a 15-V input to a 0.7-V output at 1MHz. 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 slaves, relative to a master, is programmable. |
| Price | Packaging | CAD Design Tools | Samples | |||||
| Device | Status | Temp (oC) | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Symbols | Samples |
| TPS40140RHHR | ACTIVE | -40 to 85 | 3.05 | 1ku | QFN (RHH) | 36 | View | 3000 | LARGE T&R | ||
| TPS40140RHHRG4 | ACTIVE | -40 to 85 | 3.05 | 1ku | QFN (RHH) | 36 | View | 3000 | LARGE T&R | ||
| TPS40140RHHT | ACTIVE | -40 to 85 | 3.35 | 1ku | QFN (RHH) | 36 | View | 250 | SMALL T&R | Purchase Samples | |
| TPS40140RHHTG4 | ACTIVE | -40 to 85 | 3.35 | 1ku | QFN (RHH) | 36 | View | 250 | SMALL T&R | Purchase Samples | |
* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.
| TI Inventory Status | Reported Distributor Inventory | |||||
| TPS40140RHHR | As of 8:42 AM GMT, 03 Jul 2009 | As of 8:42 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 20 Weeks | Americas | DigiKey | >1k | |||
| Mouser Electronics | >1k | |||||
| Rochester Electronics | >1k | |||||
| Asia | WPI | >1k | ||||
| TPS40140RHHRG4 | As of 8:42 AM GMT, 03 Jul 2009 | As of 8:42 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 20 Weeks | Americas | DigiKey | Available | |||
| TPS40140RHHT | As of 8:42 AM GMT, 03 Jul 2009 | As of 8:42 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 16 Weeks | Americas | DigiKey | Available | |||
| Asia | WPI | 123 | ||||
| Europe | Avnet-SILICA | 240 | ||||
| Farnell | 92 | |||||
| TPS40140RHHTG4 | As of 8:42 AM GMT, 03 Jul 2009 | As of 8:42 AM GMT, 03 Jul 2009 | ||||
| Lead Time | Region | Company | In Stock | Purchase | ||
| 16 Weeks | Americas | DigiKey | Available | |||
** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.
| Product Content | DPPM / MTBF / FIT Rate | ||||
| Device | Eco Plan* | Lead / Ball Finish | MSL Rating / Peak Reflow | Details | Details |
| TPS40140RHHR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| TPS40140RHHRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| TPS40140RHHT | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| TPS40140RHHTG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.
If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.
Most useful technical documents for TPS40140 
View Application Notes for DC/DC Controllers (External Switch)
View User Guides for DC/DC Controllers (External Switch)
| Name | Part # | Company | Tool / Software Type |
| 32A Single Output, Two Phase Stackable Synchronous Buck Converter Evaluation Module | TPS40140EVM-003 | Texas Instruments | Development Boards/EVMs |
| Stackable Evaluation Module | TPS40140EVM-002 | Texas Instruments | Development Boards/EVMs |
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