Datasheet Linear Technology LT1949
| Manufacturer | Linear Technology |
| Series | LT1949 |
600kHz, 1A Switch PWM DC/DC Converter
Datasheets
LT1949 - 600kHz, 1A Switch PWM DC/DC Converter
PDF, 171 Kb, File uploaded: Sep 3, 2017
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Prices
Packaging
| LT1949EMS8#PBF | LT1949EMS8#TRPBF | LT1949ES8#PBF | LT1949ES8#TRPBF | LT1949IS8#PBF | LT1949IS8#TRPBF | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Package | MS-8 Package Outline Drawing | MS-8 Package Outline Drawing | SO-8 Package Outline Drawing | SO-8 Package Outline Drawing | SO-8 Package Outline Drawing | SO-8 Package Outline Drawing |
| Package Code | MS8 | MS8 | S8 | S8 | S8 | S8 |
| Package Index | 05-08-1660 | 05-08-1660 | 05-08-1610 (S8) | 05-08-1610 (S8) | 05-08-1610 (S8) | 05-08-1610 (S8) |
| Pin Count | 8 | 8 | 8 | 8 | 8 | 8 |
Parametrics
| Parameters / Models | LT1949EMS8#PBF | LT1949EMS8#TRPBF | LT1949ES8#PBF | LT1949ES8#TRPBF | LT1949IS8#PBF | LT1949IS8#TRPBF |
|---|---|---|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Design Tools | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no | no | no | no |
| Frequency, kHz | 1100 | 1100 | 1100 | 1100 | 1100 | 1100 |
| Integrated Inductor | no | no | no | no | no | no |
| Ishutdown, µA | 25 | 25 | 25 | 25 | 25 | 25 |
| Isupply, mA | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Monolithic | yes | yes | yes | yes | yes | yes |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 |
| Polyphase | no | no | no | no | no | no |
| Switch Current, A | 1.13 | 1.13 | 1.13 | 1.13 | 1.13 | 1.13 |
| Synchronous | no | no | no | no | no | no |
| Topology | Boost, Sepic, Flyback | Boost, Sepic, Flyback | Boost, Sepic, Flyback | Boost, Sepic, Flyback | Boost, Sepic, Flyback | Boost, Sepic, Flyback |
| Vin Max, V | 12 | 12 | 12 | 12 | 12 | 12 |
| Vin Min, V | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Vin Min Startup, V | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Vout Max, V | 30 | 30 | 30 | 30 | 30 | 30 |
| Vout Min, V | 1.24 | 1.24 | 1.24 | 1.24 | 1.24 | 1.24 |
| Vswitch Max, V | 30 | 30 | 30 | 30 | 30 | 30 |
Eco Plan
| LT1949EMS8#PBF | LT1949EMS8#TRPBF | LT1949ES8#PBF | LT1949ES8#TRPBF | LT1949IS8#PBF | LT1949IS8#TRPBF | |
|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Articles
- Triple Output TFT-LCD Bias Supply Uses All Ceramic Capacitors &mdash LT JournalPDF, 171 Kb, File published: Sep 1, 1999Extract from the document
Model Line
Series: LT1949 (6)
Manufacturer's Classification
- Power Management > Switching Regulator > SEPIC Regulators
- Power Management > Switching Regulator > Step-Up (Boost) Regulators > Internal Power Switch Boost
