Datasheet Texas Instruments TL3845
| Manufacturer | Texas Instruments |
| Series | TL3845 |
Current-Mode PWM Controller
Datasheets
TLx84x Current-Mode PWM Controllers datasheet
PDF, 1.3 Mb, Revision: I, File published: Jul 6, 2016
Extract from the document
Prices
Status
| TL3845D | TL3845D-8 | TL3845DR | TL3845DR-8 | TL3845DRE4-8 | TL3845DRG4 | TL3845P | TL3845PE4 | |
|---|---|---|---|---|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | No | No | No | No | No | No | No |
Packaging
| TL3845D | TL3845D-8 | TL3845DR | TL3845DR-8 | TL3845DRE4-8 | TL3845DRG4 | TL3845P | TL3845PE4 | |
|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Pin | 14 | 8 | 14 | 8 | 8 | 14 | 8 | 8 |
| Package Type | D | D | D | D | D | D | P | P |
| Industry STD Term | SOIC | SOIC | SOIC | SOIC | SOIC | SOIC | PDIP | PDIP |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDIP-T | R-PDIP-T |
| Package QTY | 50 | 75 | 2500 | 2500 | 2500 | 2500 | 50 | 50 |
| Carrier | TUBE | TUBE | LARGE T&R | LARGE T&R | LARGE T&R | LARGE T&R | TUBE | TUBE |
| Device Marking | TL3845 | TL3845 | TL3845 | TL3845 | TL3845 | TL3845 | TL3845P | TL3845P |
| Width (mm) | 3.91 | 3.91 | 3.91 | 3.91 | 3.91 | 3.91 | 6.35 | 6.35 |
| Length (mm) | 8.65 | 4.9 | 8.65 | 4.9 | 4.9 | 8.65 | 9.81 | 9.81 |
| Thickness (mm) | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | 3.9 | 3.9 |
| Pitch (mm) | 1.27 | 1.27 | 1.27 | 1.27 | 1.27 | 1.27 | 2.54 | 2.54 |
| Max Height (mm) | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 5.08 | 5.08 |
| Mechanical Data | Download | Download | Download | Download | Download | Download | Download | Download |
Parametrics
| Parameters / Models | TL3845D | TL3845D-8 | TL3845DR | TL3845DR-8 | TL3845DRE4-8 | TL3845DRG4 | TL3845P | TL3845PE4 |
|---|---|---|---|---|---|---|---|---|
| Control Method | Current | Current | Current | Current | Current | Current | Current | Current |
| Duty Cycle(Max), % | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| Frequency(Max), kHz | 500 | 500 | 500 | 500 | 500 | 500 | 500 | 500 |
| Frequency(Min), kHz | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 |
| Gate Drive(Typ), A | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Operating Temperature Range, C | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 |
| Package Group | SOIC | SOIC | SOIC | SOIC | SOIC | SOIC | PDIP | PDIP |
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| Special Features | Adjustable Switching Frequency,Error Amplifier,Multi-topology | Adjustable Switching Frequency,Error Amplifier,Multi-topology | Adjustable Switching Frequency,Error Amplifier,Multi-topology | Adjustable Switching Frequency,Error Amplifier,Multi-topology | Adjustable Switching Frequency,Error Amplifier,Multi-topology | Adjustable Switching Frequency,Error Amplifier,Multi-topology | Adjustable Switching Frequency,Error Amplifier,Multi-topology | Adjustable Switching Frequency,Error Amplifier,Multi-topology |
| Topology | Boost,Flyback,Forward | Boost,Flyback,Forward | Boost,Flyback,Forward | Boost,Flyback,Forward | Boost,Flyback,Forward | Boost,Flyback,Forward | Boost,Flyback,Forward | Boost,Flyback,Forward |
| UVLO Thresholds On/Off, V | 8.4/7.6 | 8.4/7.6 | 8.4/7.6 | 8.4/7.6 | 8.4/7.6 | 8.4/7.6 | 8.4/7.6 | 8.4/7.6 |
| Vin(Max), V | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Vin(Min), V | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Eco Plan
| TL3845D | TL3845D-8 | TL3845DR | TL3845DR-8 | TL3845DRE4-8 | TL3845DRG4 | TL3845P | TL3845PE4 | |
|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
| Pb Free | Yes | Yes |
Model Line
Series: TL3845 (8)
Manufacturer's Classification
- Semiconductors> Power Management> Offline and Isolated DC/DC Controllers and Converters> PWM and Resonant Controller
