Datasheet Linear Technology LTM4643
| Manufacturer | Linear Technology |
| Series | LTM4643 |
Ultrathin Quad µModule Regulator with Configurable 3A Output Array
Datasheets
LTM4643 - Ultrathin Quad µModule Regulator with Configurable 3A Output Array
PDF, 576 Kb, Revision: B, File uploaded: Sep 25, 2017
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Prices
Packaging
| LTM4643EV#PBF | LTM4643EY#PBF | LTM4643IV#PBF | LTM4643IY | LTM4643IY#PBF | LTM4643MPV#PBF | LTM4643MPY | LTM4643MPY#PBF | |
|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Package | 15.00mm × 9.00mm × 1.82mm LGA Package Outline Drawing | 15.00mm × 9.00mm × 2.42mm BGA Package Outline Drawing | 15.00mm × 9.00mm × 1.82mm LGA Package Outline Drawing | 15.00mm × 9.00mm × 2.42mm BGA Package Outline Drawing | 15.00mm × 9.00mm × 2.42mm BGA Package Outline Drawing | 15.00mm × 9.00mm × 1.82mm LGA Package Outline Drawing | 15.00mm × 9.00mm × 2.42mm BGA Package Outline Drawing | 15.00mm × 9.00mm × 2.42mm BGA Package Outline Drawing |
| Package Code | LGA | BGA | LGA | BGA | BGA | LGA | BGA | BGA |
| Package Index | 05-08-1508 | 05-08-1559 | 05-08-1508 | 05-08-1559 | 05-08-1559 | 05-08-1508 | 05-08-1559 | 05-08-1559 |
| Pin Count | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 |
Parametrics
| Parameters / Models | LTM4643EV#PBF | LTM4643EY#PBF | LTM4643IV#PBF | LTM4643IY | LTM4643IY#PBF | LTM4643MPV#PBF | LTM4643MPY | LTM4643MPY#PBF |
|---|---|---|---|---|---|---|---|---|
| Architecture | Constant Frequency Controlled On-Time Valley Current Mode | Constant Frequency Controlled On-Time Valley Current Mode | Constant Frequency Controlled On-Time Valley Current Mode | Constant Frequency Controlled On-Time Valley Current Mode | Constant Frequency Controlled On-Time Valley Current Mode | Constant Frequency Controlled On-Time Valley Current Mode | Constant Frequency Controlled On-Time Valley Current Mode | Constant Frequency Controlled On-Time Valley Current Mode |
| Demo Boards | DC2453A | DC2453A | DC2453A | DC2453A | DC2453A | DC2453A | DC2453A | DC2453A |
| Design Tools | LTpowerCAD File,LTspice File | LTpowerCAD File,LTspice File | LTpowerCAD File,LTspice File | LTpowerCAD File,LTspice File | LTpowerCAD File,LTspice File | LTpowerCAD File,LTspice File | LTpowerCAD File,LTspice File | LTpowerCAD File,LTspice File |
| Export Control | no | no | no | no | no | no | no | no |
| Features | Ultrathin Package, Tracking, Power Good, External Synchronization | Ultrathin Package, Tracking, Power Good, External Synchronization | Ultrathin Package, Tracking, Power Good, External Synchronization | Ultrathin Package, Tracking, Power Good, External Synchronization | Ultrathin Package, Tracking, Power Good, External Synchronization | Ultrathin Package, Tracking, Power Good, External Synchronization | Ultrathin Package, Tracking, Power Good, External Synchronization | Ultrathin Package, Tracking, Power Good, External Synchronization |
| Frequency, kHz | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 |
| Frequency Sync Range | 850kHz - 1.5MHz | 850kHz - 1.5MHz | 850kHz - 1.5MHz | 850kHz - 1.5MHz | 850kHz - 1.5MHz | 850kHz - 1.5MHz | 850kHz - 1.5MHz | 850kHz - 1.5MHz |
| Integrated Inductor | yes | yes | yes | yes | yes | yes | yes | yes |
| Ishutdown, µA | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Isupply, mA | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Monolithic | yes | yes | yes | yes | yes | yes | yes | yes |
| Number of Outputs | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -55 to 125 | -55 to 125 | -55 to 125 |
| Output Current, A | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Output Current 2, A | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Output Current 3, A | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Polyphase | yes | yes | yes | yes | yes | yes | yes | yes |
| Synchronous | yes | yes | yes | yes | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 1 | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 2 | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 3 | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Vin Max, V | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Vin Min, V | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Vout Max, V | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 |
| Vout Max 2, V | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 |
| Vout Max 3, V | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 |
| Vout Maximum | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Vout Min, V | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| Vout Min 2, V | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| Vout Min 3, V | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| Vref Accuracy Over Temp, % | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
Eco Plan
| LTM4643EV#PBF | LTM4643EY#PBF | LTM4643IV#PBF | LTM4643IY | LTM4643IY#PBF | LTM4643MPV#PBF | LTM4643MPY | LTM4643MPY#PBF | |
|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Not Compliant | Compliant | Compliant | Not Compliant | Compliant |
Model Line
Series: LTM4643 (8)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck
- µModule Solutions > µModule Regulators > µModule Buck Regulators | Extended Temperature (H & MP) µModule Regulators
