Datasheet Linear Technology LT3957A — Datenblatt
| Hersteller | Linear Technology |
| Serie | LT3957A |
Boost-, Flyback-, SEPIC- und Inverting-Wandler mit 5A, 40V-Schalter
Datenblätter
Datasheet LT3957A
PDF, 567 Kb, Sprache: en, Datei hochgeladen: Sep 19, 2017, Seiten: 28
Boost, Flyback, SEPIC and Inverting Converter with 5A, 40V Switch
Boost, Flyback, SEPIC and Inverting Converter with 5A, 40V Switch
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Preise
Verpackung
| LT3957AEUHE#PBF | LT3957AEUHE#TRPBF | LT3957AIUHE#PBF | LT3957AIUHE#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | 5x6 QFN-36 Paketumrisszeichnung | 5x6 QFN-36 Paketumrisszeichnung | 5x6 QFN-36 Paketumrisszeichnung | 5x6 QFN-36 Paketumrisszeichnung |
| Package Code | UHE | UHE | UHE | UHE |
| Package Index | 05-08-1836 | 05-08-1836 | 05-08-1836 | 05-08-1836 |
| Pin Count | 36 | 36 | 36 | 36 |
Parameter
| Parameters / Models | LT3957AEUHE#PBF | LT3957AEUHE#TRPBF | LT3957AIUHE#PBF | LT3957AIUHE#TRPBF |
|---|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Design Tools | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model |
| Export Control | no | no | no | no |
| Features | Resistor Set Frequency, External Synchronization | Resistor Set Frequency, External Synchronization | Resistor Set Frequency, External Synchronization | Resistor Set Frequency, External Synchronization |
| Frequency, kHz | 1000 | 1000 | 1000 | 1000 |
| Frequency Adjust Range | 100kHz - 1MHz | 100kHz - 1MHz | 100kHz - 1MHz | 100kHz - 1MHz |
| Frequency Sync Range | 100kHz - 1MHz | 100kHz - 1MHz | 100kHz - 1MHz | 100kHz - 1MHz |
| Integrated Inductor | no | no | no | no |
| Ishutdown, µA | 0.1 | 0.1 | 0.1 | 0.1 |
| Isupply, mA | 1.7 | 1.7 | 1.7 | 1.7 |
| Max Phases | 1 | 1 | 1 | 1 |
| Monolithic | yes | yes | yes | yes |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 |
| Polyphase | no | no | no | no |
| Switch Current, A | 5.9 | 5.9 | 5.9 | 5.9 |
| Synchronous | no | no | no | no |
| Topology | Boost, Flyback, Sepic, Inverting | Boost, Flyback, Sepic, Inverting | Boost, Flyback, Sepic, Inverting | Boost, Flyback, Sepic, Inverting |
| Vin Max, V | 40 | 40 | 40 | 40 |
| Vin Min, V | 3 | 3 | 3 | 3 |
| Vin Min Startup, V | 3 | 3 | 3 | 3 |
| Vout Max, V | 40 | 40 | 40 | 40 |
| Vout Min, V | 1.6 | 1.6 | 1.6 | 1.6 |
| Vswitch Max, V | 40 | 40 | 40 | 40 |
Öko-Plan
| LT3957AEUHE#PBF | LT3957AEUHE#TRPBF | LT3957AIUHE#PBF | LT3957AIUHE#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Modellreihe
Serie: LT3957A (4)
Herstellerklassifikation
- Power Management > Switching Regulator > Step-Up (Boost) Regulators > Internal Power Switch Boost
- Power Management > Switching Regulator > Flyback, Forward and Isolated Controllers | Inverting Regulators | SEPIC Regulators