Datasheet Linear Technology LTC3826
| Manufacturer | Linear Technology |
| Series | LTC3826 |
30µA IQ, Dual, 2-Phase Synchronous Step-Down Controller
Datasheets
Datasheet LTC3826
PDF, 485 Kb, Language: en, File uploaded: Sep 23, 2017, Pages: 36
30µA IQ, Dual, 2-Phase Synchronous Step-Down Controller
30µA IQ, Dual, 2-Phase Synchronous Step-Down Controller
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Packaging
| LTC3826EUH#PBF | LTC3826EUH#TRPBF | LTC3826IUH#PBF | LTC3826IUH#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | 5x5 QFN-32 Package Outline Drawing | 5x5 QFN-32 Package Outline Drawing | 5x5 QFN-32 Package Outline Drawing | 5x5 QFN-32 Package Outline Drawing |
| Package Code | UH | UH | UH | UH |
| Package Index | 05-08-1693 | 05-08-1693 | 05-08-1693 | 05-08-1693 |
| Pin Count | 32 | 32 | 32 | 32 |
Parametrics
| Parameters / Models | LTC3826EUH#PBF | LTC3826EUH#TRPBF | LTC3826IUH#PBF | LTC3826IUH#TRPBF |
|---|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Demo Boards | DC1235A | DC1235A | DC1235A | DC1235A |
| Design Tools | LTspice File | LTspice File | LTspice File | LTspice File |
| Export Control | no | no | no | no |
| Features | PolyPhase, Burst Mode, PLL, Selectable Switching Frequency, External Synchronization, Power Good, Tracking | PolyPhase, Burst Mode, PLL, Selectable Switching Frequency, External Synchronization, Power Good, Tracking | PolyPhase, Burst Mode, PLL, Selectable Switching Frequency, External Synchronization, Power Good, Tracking | PolyPhase, Burst Mode, PLL, Selectable Switching Frequency, External Synchronization, Power Good, Tracking |
| Frequency, kHz | 530 | 530 | 530 | 530 |
| Frequency Adjust Range | 250kHz - 530kHz | 250kHz - 530kHz | 250kHz - 530kHz | 250kHz - 530kHz |
| Frequency Sync Range | 140kHz - 650kHz | 140kHz - 650kHz | 140kHz - 650kHz | 140kHz - 650kHz |
| Integrated Inductor | no | no | no | no |
| Ishutdown, µA | 4 | 4 | 4 | 4 |
| Isupply, mA | .03 | .03 | .03 | .03 |
| Max Phases | 2 | 2 | 2 | 2 |
| Monolithic | no | no | no | no |
| Number of Outputs | 2 | 2 | 2 | 2 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 25 | 25 | 25 | 25 |
| Output Current 2, A | 25 | 25 | 25 | 25 |
| Polyphase | yes | yes | yes | yes |
| Sense Resistor | Rsense | Rsense | Rsense | Rsense |
| Switch Current, A | 25 | 25 | 25 | 25 |
| Switch Current 2, A | 25 | 25 | 25 | 25 |
| Synchronous | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck |
| Topology 1 | Buck | Buck | Buck | Buck |
| Topology 2 | Buck | Buck | Buck | Buck |
| Vin Max, V | 36 | 36 | 36 | 36 |
| Vin Min, V | 4 | 4 | 4 | 4 |
| Vout Max, V | 10 | 10 | 10 | 10 |
| Vout Maximum | 10V | 10V | 10V | 10V |
| Vout Min, V | 0.8 | 0.8 | 0.8 | 0.8 |
| Vout Min 2, V | 0.8 | 0.8 | 0.8 | 0.8 |
| Vref Accuracy Over Temp, % | 1 | 1 | 1 | 1 |
Eco Plan
| LTC3826EUH#PBF | LTC3826EUH#TRPBF | LTC3826IUH#PBF | LTC3826IUH#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LTC3826 (4)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Micropower Buck Regulators | External Power Switch Buck Controllers