Datasheet Linear Technology LTC3707 — Datenblatt
| Hersteller | Linear Technology |
| Serie | LTC3707 |
Hocheffizienter 2-Phasen-Synchron-Abwärtsschaltregler
Datenblätter
Datasheet LTC3707
PDF, 398 Kb, Sprache: en, Datei hochgeladen: Sep 22, 2017, Seiten: 32
High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator
High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator
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Preise
Verpackung
| LTC3707EGN#PBF | LTC3707EGN#TRPBF | LTC3707IGN#PBF | LTC3707IGN#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | SSOP-28 Paketumrisszeichnung | SSOP-28 Paketumrisszeichnung | SSOP-28 Paketumrisszeichnung | SSOP-28 Paketumrisszeichnung |
| Package Code | GN | GN | GN | GN |
| Package Index | 05-08-1641 (GN28) | 05-08-1641 (GN28) | 05-08-1641 (GN28) | 05-08-1641 (GN28) |
| Pin Count | 28 | 28 | 28 | 28 |
Parameter
| Parameters / Models | LTC3707EGN#PBF | LTC3707EGN#TRPBF | LTC3707IGN#PBF | LTC3707IGN#TRPBF |
|---|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Demo Boards | DC455A | DC455A | DC455A | DC455A |
| Design Tools | LTspice Model | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no | no |
| Features | Burst Mode, Resistor Set Frequency, PolyPhase, Power Good | Burst Mode, Resistor Set Frequency, PolyPhase, Power Good | Burst Mode, Resistor Set Frequency, PolyPhase, Power Good | Burst Mode, Resistor Set Frequency, PolyPhase, Power Good |
| Frequency, kHz | 300 | 300 | 300 | 300 |
| Frequency Adjust Range | 150kHz - 300kHz | 150kHz - 300kHz | 150kHz - 300kHz | 150kHz - 300kHz |
| Integrated Inductor | no | no | no | no |
| Ishutdown, µA | 20 | 20 | 20 | 20 |
| Isupply, mA | 0.35 | 0.35 | 0.35 | 0.35 |
| 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 | 28 | 28 | 28 | 28 |
| Vin Min, V | 4.5 | 4.5 | 4.5 | 4.5 |
| Vout Max, V | 7 | 7 | 7 | 7 |
| Vout Maximum | 7V | 7V | 7V | 7V |
| Vout Min, V | 0.8 | 0.8 | 0.8 | 0.8 |
| Vout Min 2, V | .8 | .8 | .8 | .8 |
| Vref Accuracy Over Temp, % | 1.5 | 1.5 | 1.5 | 1.5 |
Öko-Plan
| LTC3707EGN#PBF | LTC3707EGN#TRPBF | LTC3707IGN#PBF | LTC3707IGN#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Konstruktionshinweise
- Active Voltage Positioning Reduces Output Capacitors &mdash Design Solutions 10PDF, 130 Kb, Datei veröffentlicht: Nov 1, 1999Auszug aus dem Dokument
Modellreihe
Serie: LTC3707 (4)
Herstellerklassifikation
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | External Power Switch Buck Controllers