Datasheet Linear Technology LTC7821
| Manufacturer | Linear Technology |
| Series | LTC7821 |
Hybrid Step-Down Synchronous Controller
Datasheets
LTC7821 - Hybrid Step-Down Synchronous Controller
PDF, 463 Kb, File uploaded: Jan 12, 2018
Extract from the document
Packaging
| LTC7821EUH#PBF | LTC7821EUH#TRPBF | LTC7821IUH#PBF | LTC7821IUH#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 | LTC7821EUH#PBF | LTC7821EUH#TRPBF | LTC7821IUH#PBF | LTC7821IUH#TRPBF |
|---|---|---|---|---|
| Demo Boards | DC2513A | DC2513A | DC2513A | DC2513A |
| Design Tools | LTspice Model | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no | no |
| Frequency, kHz | 1500 | 1500 | 1500 | 1500 |
| Function | Hybrid Step-Down Synchronous Converter | Hybrid Step-Down Synchronous Converter | Hybrid Step-Down Synchronous Converter | Hybrid Step-Down Synchronous Converter |
| Ishutdown, µA | 240 | 240 | 240 | 240 |
| Isupply, mA | 0.5 | 0.5 | 0.5 | 0.5 |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 25 | 25 | 25 | 25 |
| Vin Max, V | 72 | 72 | 72 | 72 |
| Vin Min, V | 10 | 10 | 10 | 10 |
Eco Plan
| LTC7821EUH#PBF | LTC7821EUH#TRPBF | LTC7821IUH#PBF | LTC7821IUH#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LTC7821 (4)
Manufacturer's Classification
- Power Management > Inductorless (Charge Pump) DC/DC Converters > Regulated Step-Down Charge Pumps
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > External Power Switch Buck Controllers | High Input Voltage Buck
