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Product InformationFeatures
Description
The TPS5103 is a synchronous buck dc/dc controller, designed for notebook PC system power. The controller has three user-selectable operation modes available: hysteretic mode, fixed-frequency PWM control, or SKIP control. In high-current applications, where fast transient response is advantageous for reducing bulk capacitance, the hysteretic mode is selected by connecting the RT pin to VREF5. Selecting the PWM/SKIP modes for less demanding transient applications is ideal for conserving notebook battery life under light load conditions. The device includes high-side and low-side MOSFET drivers capable of driving low r ds(on) N-channel MOSFETs. The user-selectable overcurrent protection (OCP) threshold is set by an external TRIP-pin resistor in order to protect the system. View All Description in Datasheet |
| Price | Packaging | CAD Design Tools | Samples | ||||||
| Device | Status | Temp (oC) | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Symbols | Footprints | Samples |
| TPS5103IDB | ACTIVE | -40 to 85 | 1.75 | 1ku | SSOP (DB) | 20 | View | 70 | TUBE | |||
| TPS5103IDBG4 | ACTIVE | -40 to 85 | 1.75 | 1ku | SSOP (DB) | 20 | View | 70 | TUBE | |||
| TPS5103IDBR | ACTIVE | -40 to 85 | 1.55 | 1ku | SSOP (DB) | 20 | View | 2000 | LARGE T&R | Purchase Samples | ||
| TPS5103IDBRG4 | ACTIVE | -40 to 85 | 1.55 | 1ku | SSOP (DB) | 20 | View | 2000 | LARGE 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.
| Reported Distributor Inventory as of 10:13 AM GMT, 20 Nov 2009 | |||
| Region | Company | In Stock | Purchase |
| TI Lead Time*: 20 WeeksTPS5103IDB | |||
| Americas | Arrow | 44 | |
| Avnet | >1k | ||
| Rochester Electronics | >1k | ||
| Asia | WPI | 93 | |
| Worldwide | DigiKey | 359 | |
| Mouser Electronics | 32 | ||
| TI Lead Time*: 20 WeeksTPS5103IDBG4 | |||
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 20 WeeksTPS5103IDBR | |||
| Americas | Rochester Electronics | >1k | |
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 20 WeeksTPS5103IDBRG4 | |||
| Worldwide | 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 |
TPS5103IDB  | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| TPS5103IDBG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| TPS5103IDBR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| TPS5103IDBRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | 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 TPS5103 
View Application Notes for DC/DC Controllers (External Switch)
| Description | Part # | Company |
| Dual Non-Sync Buck, Sync Buck, Negative Flyback with Vin 6 to 15 V | PMP00-062 | Texas Instruments |
| Flyback, LDO, Buck, Sync. Buck Reference Design | PMP009 | Texas Instruments |
| Synchronous Buck Reference Design | PMP369 | Texas Instruments |
| Synchronous Buck with Vin 5 or 12 V and Vout 3.3 V | PMP177 | Texas Instruments |
| Name | Part # | Company | Tool / Software Type |
| PWM / Hysteretic Buck Controller with Wide Input Voltage Range | TPS5103EVM-136 | Texas Instruments | Development Boards/EVMs |
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