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Texas Instruments LM5121 | Demoboard SNVA726
High Density 72W Battery Powered Synchronous Boost Reference Design
Overview
| Topology | Boost Converter |
| Input voltage | 5-8.6 V |
| Switching frequency | 300 kHz |
| Output 1 | 12 V / 6 A |
| IC revision | 1 |
Description
High Density 72W Battery Powered Synchronous Boost Reference DesignPMP11422 is a synchronous boost power supply using the LM5121 controllers. The design accepts an input voltage of 5Vin to 8.6Vin, and boosts a 12Vout rail capable of sourcing 6A continuous current. The LM5121 integrates an input disconnection switch feature which allows boost short circuit protection, the device turns off the switch when a short circuit event occurs.
Features
High density designIntegrated boost short circuit protection72W capability+/- 5% load transientOvervoltage, and overcurrent protection
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | L (nH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | LR (nH) | IR (A) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744302010 | SPEC | 8 files | WE-HCM SMT High Current Flat Wire Inductor | 105 | 76.1 | 45 | 51 | 0.235 | – | MnZn | 104 | 30 | ||
 | 7443551280 | SPEC | 8 files | WE-HCI SMT Flat Wire High Current Inductor | 2800 | 22.5 | 8 | 17.5 | 3.3 | 35 | WE-PERM | 1850 | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744302010 | SPEC | |
| 7443551280 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | L (nH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | LR (nH) | IR (A) | Samples |
|---|