Datasheet Texas Instruments LM2745 — Datenblatt
| Hersteller | Texas Instruments |
| Serie | LM2745 |
1-14 V, Synchron-Buck-Controller im Spannungsmodus mit Pre-Bias-Start und optionaler Taktsynchronisation
Datenblätter
LM2745/48 Synch Buck Controller w/ Pre-Bias Startup & Optional Clk Synch datasheet
PDF, 1.3 Mb, Revision: E, Datei veröffentlicht: Apr 3, 2013
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Preise
Status
| LM2745MTC/NOPB | LM2745MTCX/NOPB | |
|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | No |
Verpackung
| LM2745MTC/NOPB | LM2745MTCX/NOPB | |
|---|---|---|
| N | 1 | 2 |
| Pin | 14 | 14 |
| Package Type | PW | PW |
| Industry STD Term | TSSOP | TSSOP |
| JEDEC Code | R-PDSO-G | R-PDSO-G |
| Package QTY | 94 | 2500 |
| Carrier | TUBE | LARGE T&R |
| Device Marking | MTC | 2745 |
| Width (mm) | 4.4 | 4.4 |
| Length (mm) | 5 | 5 |
| Thickness (mm) | 1 | 1 |
| Pitch (mm) | .65 | .65 |
| Max Height (mm) | 1.2 | 1.2 |
| Mechanical Data | Herunterladen | Herunterladen |
Parameter
| Parameters / Models | LM2745MTC/NOPB | LM2745MTCX/NOPB |
|---|---|---|
| Control Mode | Voltage Mode | Voltage Mode |
| Duty Cycle(Max), % | 86 | 86 |
| Iout(Max), A | 20 | 20 |
| Iq(Typ), mA | 1.7 | 1.7 |
| Number of Phases | 1 | 1 |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 |
| Package Group | TSSOP | TSSOP |
| Rating | Catalog | Catalog |
| Regulated Outputs | 1 | 1 |
| Special Features | Enable,Frequency Synchronization,Power Good,Pre-Bias Start-Up,Synchronous Rectification,Tracking | Enable,Frequency Synchronization,Power Good,Pre-Bias Start-Up,Synchronous Rectification,Tracking |
| Switching Frequency(Max), kHz | 1000 | 1000 |
| Switching Frequency(Min), kHz | 250 | 250 |
| Type | Controller | Controller |
| Vin(Max), V | 14 | 14 |
| Vin(Min), V | 1 | 1 |
| Vout(Max), V | 12 | 12 |
| Vout(Min), V | 0.6 | 0.6 |
Öko-Plan
| LM2745MTC/NOPB | LM2745MTCX/NOPB | |
|---|---|---|
| RoHS | Compliant | Compliant |
Anwendungshinweise
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Modellreihe
Serie: LM2745 (2)
Herstellerklassifikation
- Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Down (Buck)> Buck Controller (External Switch)