Datasheet Linear Technology LTC3521
| Manufacturer | Linear Technology |
| Series | LTC3521 |
1A Buck-Boost DC/DC and Dual 600mA Buck DC/DC Converters
Datasheets
LTC3521 - 1A Buck-Boost DC/DC and Dual 600mA Buck DC/DC Converters
PDF, 383 Kb, Revision: B, File uploaded: Sep 21, 2017
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Prices
Packaging
| LTC3521EFE#PBF | LTC3521EFE#TRPBF | LTC3521EUF#PBF | LTC3521EUF#TRPBF | LTC3521IFE#PBF | LTC3521IFE#TRPBF | LTC3521IUF#PBF | LTC3521IUF#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Package | TSSOP-20 Package Outline Drawing | TSSOP-20 Package Outline Drawing | 4x4 QFN-24 Package Outline Drawing | 4x4 QFN-24 Package Outline Drawing | TSSOP-20 Package Outline Drawing | TSSOP-20 Package Outline Drawing | 4x4 QFN-24 Package Outline Drawing | 4x4 QFN-24 Package Outline Drawing |
| Package Code | FE | FE | UF | UF | FE | FE | UF | UF |
| Package Index | 05-08-1663 (CB) | 05-08-1663 (CB) | 05-08-1697 | 05-08-1697 | 05-08-1663 (CB) | 05-08-1663 (CB) | 05-08-1697 | 05-08-1697 |
| Pin Count | 20 | 20 | 24 | 24 | 20 | 20 | 24 | 24 |
Parametrics
| Parameters / Models | LTC3521EFE#PBF | LTC3521EFE#TRPBF | LTC3521EUF#PBF | LTC3521EUF#TRPBF | LTC3521IFE#PBF | LTC3521IFE#TRPBF | LTC3521IUF#PBF | LTC3521IUF#TRPBF |
|---|---|---|---|---|---|---|---|---|
| Buck Output Current, A | 0.6, 0.6 | 0.6, 0.6 | 0.6, 0.6 | 0.6, 0.6 | 0.6, 0.6 | 0.6, 0.6 | 0.6, 0.6 | 0.6, 0.6 |
| Buck-Boost Output Current, A | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Demo Boards | DC1389A | DC1389A | DC1389A | DC1389A | DC1389A | DC1389A | DC1389A | DC1389A |
| Design Tools | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File |
| Export Control | no | no | no | no | no | no | no | no |
| Features | Burst Mode, Power Good, Output Disconnect | Burst Mode, Power Good, Output Disconnect | Burst Mode, Power Good, Output Disconnect | Burst Mode, Power Good, Output Disconnect | Burst Mode, Power Good, Output Disconnect | Burst Mode, Power Good, Output Disconnect | Burst Mode, Power Good, Output Disconnect | Burst Mode, Power Good, Output Disconnect |
| Number of Outputs | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Vin Max, V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Vin Min, V | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
Eco Plan
| LTC3521EFE#PBF | LTC3521EFE#TRPBF | LTC3521EUF#PBF | LTC3521EUF#TRPBF | LTC3521IFE#PBF | LTC3521IFE#TRPBF | LTC3521IUF#PBF | LTC3521IUF#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LTC3521 (8)
Manufacturer's Classification
- Power Management > PMIC & Multifunction > Multitopology DC/DC
- Power Management > Switching Regulator > Buck-Boost Regulators > Internal Power Switch Buck-Boost
