Datasheet Linear Technology LTC3448 — Datenblatt
| Hersteller | Linear Technology |
| Serie | LTC3448 |
1,5 MHz / 2,25 MHz, 600 mA synchroner Abwärtsregler mit LDO-Modus
Datenblätter
Datasheet LTC3448
PDF, 284 Kb, Sprache: en, Datei hochgeladen: Sep 21, 2017, Seiten: 20
1.5MHz/2.25MHz, 600mA Synchronous Step-Down Regulator with LDO Mode
1.5MHz/2.25MHz, 600mA Synchronous Step-Down Regulator with LDO Mode
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Preise
Verpackung
| LTC3448EDD#PBF | LTC3448EDD#TRPBF | LTC3448EMS8E#PBF | LTC3448EMS8E#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | 3x3 DFN-8 Paketumrisszeichnung | 3x3 DFN-8 Paketumrisszeichnung | MS-8E Paketumrisszeichnung | MS-8E Paketumrisszeichnung |
| Package Code | DD | DD | MS8E | MS8E |
| Package Index | 05-08-1698 | 05-08-1698 | 05-08-1662 | 05-08-1662 |
| Pin Count | 8 | 8 | 8 | 8 |
Parameter
| Parameters / Models | LTC3448EDD#PBF | LTC3448EDD#TRPBF | LTC3448EMS8E#PBF | LTC3448EMS8E#TRPBF |
|---|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Demo Boards | DC840A | DC840A | DC840A | DC840A |
| Design Tools | LTspice File | LTspice File | LTspice File | LTspice File |
| Export Control | no | no | no | no |
| Frequency, kHz | 2250 | 2250 | 2250 | 2250 |
| Integrated Inductor | no | no | no | no |
| Ishutdown, µA | 0.1 | 0.1 | 0.1 | 0.1 |
| Isupply, mA | 0.032 | 0.032 | 0.032 | 0.032 |
| 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 | 0 to 85 | 0 to 85 |
| Output Current, A | 0.6 | 0.6 | 0.6 | 0.6 |
| Polyphase | no | no | no | no |
| Switch Current, A | 1 | 1 | 1 | 1 |
| Synchronous | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck |
| Vin Max, V | 5.5 | 5.5 | 5.5 | 5.5 |
| Vin Min, V | 2.5 | 2.5 | 2.5 | 2.5 |
| Vout Max, V | 5.2 | 5.2 | 5.2 | 5.2 |
| Vout Maximum | Vin - 0.3V | Vin - 0.3V | Vin - 0.3V | Vin - 0.3V |
| Vout Min, V | 0.6 | 0.6 | 0.6 | 0.6 |
| Vref Accuracy Over Temp, % | 2.5 | 2.5 | 2.5 | 2.5 |
Öko-Plan
| LTC3448EDD#PBF | LTC3448EDD#TRPBF | LTC3448EMS8E#PBF | LTC3448EMS8E#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Artikel
- 600mA Switching Converter Reduces Noise by Automatically Shifting to a Linear Regulator at Light Loads &mdash LT JournalPDF, 453 Kb, Datei veröffentlicht: Jun 10, 2005Auszug aus dem Dokument
Modellreihe
Serie: LTC3448 (4)
Herstellerklassifikation
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck