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Product InformationFeatures
PowerPAD is a trademark of Texas Instruments. Description
The TPS23750 integrates the functionality of the TPS2375 with a primary side dc/dc PWM controller. The designer can create a front-end solution for PoE-PD applications with minimum external components. The TPS23770 is identical to the TPS23750 with the exception of the undervoltage lockout turn-on voltage, which is compatible with legacy systems. The PoE front end has all the necessary IEEE 802.3af functions including detection, classification, undervoltage lockout and inrush control. The PoE input switch is integrated within the TPS23750. The dc/dc controller section is designed to support flyback, forward, and nonsynchronous low-side switch buck topologies. The external switching MOSFET and current sense resistor provide flexibility in topology, power level, and current limit. The full-featured dc/dc controller includes programmable soft start, hiccup type fault limiting, 50% maximum duty cycle, programmable constant switching frequency, and a true voltage-output error amplifier. Additional protection features provide for robust designs. |
| Price | Packaging | CAD Design Tools | Samples | |||||
| Device | Status | Temp (oC) | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Symbols | Samples |
| TPS23770PWP | ACTIVE | -40 to 85 | 1.65 | 1ku | HTSSOP (PWP) | 20 | View | 70 | TUBE | Purchase Samples | |
| TPS23770PWPG4 | ACTIVE | -40 to 85 | 1.65 | 1ku | HTSSOP (PWP) | 20 | View | 70 | TUBE | Purchase Samples | |
| TPS23770PWPR | ACTIVE | -40 to 85 | 1.50 | 1ku | HTSSOP (PWP) | 20 | View | 2000 | LARGE T&R | ||
| TPS23770PWPRG4 | ACTIVE | -40 to 85 | 1.50 | 1ku | HTSSOP (PWP) | 20 | View | 2000 | LARGE T&R | ||
* 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 10:08 AM GMT, 06 Nov 2009 | |||
| Region | Company | In Stock | Purchase |
| TI Lead Time*: 4 WeeksTPS23770PWP | |||
| None Reported View Distributors | |||
| TI Lead Time*: 4 WeeksTPS23770PWPG4 | |||
| None Reported View Distributors | |||
| TI Lead Time*: 20 WeeksTPS23770PWPR | |||
| None Reported View Distributors | |||
| TI Lead Time*: 20 WeeksTPS23770PWPRG4 | |||
| None Reported View Distributors | |||
** 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 |
| TPS23770PWP | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| TPS23770PWPG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| TPS23770PWPR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | View | View |
| TPS23770PWPRG4 | 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 TPS23770 
| Name | Part # | Company | Tool / Software Type |
| TPS23750 Evaluation Module Buck | TPS23750EVM-107 | Texas Instruments | Development Boards/EVMs |
| TPS23750 Evaluation Module Flyback | TPS23750EVM-108 | Texas Instruments | Development Boards/EVMs |
| Customers Who Evaluated This Product Also Evaluated... | |||
| Part # | Name | Product Family | Comments |
| TPS23750 | IEEE 802.3af PD Controller with Integrated DC/DC | POWER OVER ETHERNET/LAN SOLUTIONS-POWERED DEVICES | TI customers also evaluated this product. |
| TPS23753A | IEEE 802.3-2005 PoE Interface and Isolated Converter Controller with Enhanced ESD Ride-Through | POWER OVER ETHERNET/LAN SOLUTIONS-POWERED DEVICES | TI customers also evaluated this product. |
| TPS23753 | IEEE 802.3-2005 PoE Interface and Isolated Converter and Controller | POWER OVER ETHERNET/LAN SOLUTIONS-POWERED DEVICES | TI customers also evaluated this product. |

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