Datasheet Linear Technology LTM4644
| Manufacturer | Linear Technology |
| Series | LTM4644 |
Quad DC/DC µModule (Power Module) Regulator with Configurable 4A Output Array
Datasheets
LTM4644/LTM4644-1: Quad DC/DC μModule (Power Module) Regulator with Configurable 4A Output Array Data Sheet
PDF, 995 Kb, File uploaded: Mar 27, 2018
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Prices
Packaging
| LTM4644EY#PBF | LTM4644IY | LTM4644IY#PBF | LTM4644MPY | LTM4644MPY#PBF | |
|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 |
| Package | 15mm × 9mm × 5.01mm BGA Package Outline Drawing | 15mm × 9mm × 5.01mm BGA Package Outline Drawing | 15mm × 9mm × 5.01mm BGA Package Outline Drawing | 15mm × 9mm × 5.01mm BGA Package Outline Drawing | 15mm × 9mm × 5.01mm BGA Package Outline Drawing |
| Package Code | BGA | BGA | BGA | BGA | BGA |
| Package Index | 05-08-1900 | 05-08-1900 | 05-08-1900 | 05-08-1900 | 05-08-1900 |
| Pin Count | 77 | 77 | 77 | 77 | 77 |
Parametrics
| Parameters / Models | LTM4644EY#PBF | LTM4644IY | LTM4644IY#PBF | LTM4644MPY | LTM4644MPY#PBF |
|---|---|---|---|---|---|
| Architecture | Controlled On-Time Valley Current Mode | Controlled On-Time Valley Current Mode | Controlled On-Time Valley Current Mode | Controlled On-Time Valley Current Mode | Controlled On-Time Valley Current Mode |
| Demo Boards | DC1900A,DC2428A | DC1900A,DC2428A | DC1900A,DC2428A | DC1900A,DC2428A | DC1900A,DC2428A |
| Design Tools | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File | LTspice File,LTpowerCAD File |
| Export Control | no | no | no | no | no |
| Features | Tracking, Temperature Monitor, External Synchronization, Power Good | Tracking, Temperature Monitor, External Synchronization, Power Good | Tracking, Temperature Monitor, External Synchronization, Power Good | Tracking, Temperature Monitor, External Synchronization, Power Good | Tracking, Temperature Monitor, External Synchronization, Power Good |
| Frequency, kHz | 1000 | 1000 | 1000 | 1000 | 1000 |
| Frequency Sync Range | 700kHz - 1MHz | 700kHz - 1MHz | 700kHz - 1MHz | 700kHz - 1MHz | 700kHz - 1MHz |
| Integrated Inductor | yes | yes | yes | yes | yes |
| Ishutdown, µA | 11 | 11 | 11 | 11 | 11 |
| Isupply, mA | 2 | 2 | 2 | 2 | 2 |
| Monolithic | yes | yes | yes | yes | yes |
| Number of Outputs | 4 | 4 | 4 | 4 | 4 |
| Operating Temperature Range, °C | 0 to 85 | -40 to 85 | -40 to 85 | -55 to 125 | -55 to 125 |
| Output Current, A | 4 | 4 | 4 | 4 | 4 |
| Output Current 2, A | 4 | 4 | 4 | 4 | 4 |
| Output Current 3, A | 4 | 4 | 4 | 4 | 4 |
| Polyphase | no | no | no | no | no |
| Switch Current, A | 7 | 7 | 7 | 7 | 7 |
| Switch Current 2, A | 7 | 7 | 7 | 7 | 7 |
| Switch Current 3, A | 7 | 7 | 7 | 7 | 7 |
| Synchronous | yes | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck | Buck |
| Topology 1 | Buck | Buck | Buck | Buck | Buck |
| Topology 2 | Buck | Buck | Buck | Buck | Buck |
| Topology 3 | Buck | Buck | Buck | Buck | Buck |
| Vin Max, V | 14 | 14 | 14 | 14 | 14 |
| Vin Min, V | 4 | 4 | 4 | 4 | 4 |
| Vout Max, V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Vout Max 2, V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Vout Max 3, V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Vout Maximum | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V |
| Vout Min, V | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| Vout Min 2, V | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| Vout Min 3, V | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
Eco Plan
| LTM4644EY#PBF | LTM4644IY | LTM4644IY#PBF | LTM4644MPY | LTM4644MPY#PBF | |
|---|---|---|---|---|---|
| RoHS | Compliant | Not Compliant | Compliant | Not Compliant | Compliant |
Other Options
Model Line
Series: LTM4644 (5)
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
