Datasheet Texas Instruments TL3845B
| Manufacturer | Texas Instruments |
| Series | TL3845B |
High-Performance Current-Mode PWM Controller
Datasheets
High Performance Current-Mode PWM Controllers datasheet
PDF, 720 Kb, Revision: B, File published: Jul 2, 2007
Extract from the document
Prices
Status
| TL3845BD | TL3845BD-8 | TL3845BDG4-8 | TL3845BDR | TL3845BDR-8 | TL3845BP | |
|---|---|---|---|---|---|---|
| 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) |
| Manufacture's Sample Availability | No | No | No | No | No | No |
Packaging
| TL3845BD | TL3845BD-8 | TL3845BDG4-8 | TL3845BDR | TL3845BDR-8 | TL3845BP | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Pin | 14 | 8 | 8 | 14 | 8 | 8 |
| Package Type | D | D | D | D | D | P |
| Industry STD Term | SOIC | SOIC | SOIC | SOIC | SOIC | PDIP |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDIP-T |
| Package QTY | 50 | 75 | 75 | 2500 | 2500 | 50 |
| Carrier | TUBE | TUBE | TUBE | LARGE T&R | LARGE T&R | TUBE |
| Device Marking | TL3845B | 3845B | 3845B | TL3845B | 3845B | TL3845BP |
| Width (mm) | 3.91 | 3.91 | 3.91 | 3.91 | 3.91 | 6.35 |
| Length (mm) | 8.65 | 4.9 | 4.9 | 8.65 | 4.9 | 9.81 |
| Thickness (mm) | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | 3.9 |
| Pitch (mm) | 1.27 | 1.27 | 1.27 | 1.27 | 1.27 | 2.54 |
| Max Height (mm) | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 5.08 |
| Mechanical Data | Download | Download | Download | Download | Download | Download |
Parametrics
| Parameters / Models | TL3845BD | TL3845BD-8 | TL3845BDG4-8 | TL3845BDR | TL3845BDR-8 | TL3845BP |
|---|---|---|---|---|---|---|
| Control Method | Current | Current | Current | Current | Current | Current |
| Duty Cycle(Max), % | 50 | 50 | 50 | 50 | 50 | 50 |
| Frequency(Max), kHz | 500 | 500 | 500 | 500 | 500 | 500 |
| Frequency(Min), kHz | 49 | 49 | 49 | 49 | 49 | 49 |
| Gate Drive(Typ), A | 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 |
| Package Group | SOIC | SOIC | SOIC | SOIC | SOIC | PDIP |
| Rating | 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 |
| Topology | 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 |
| Vin(Max), V | 30 | 30 | 30 | 30 | 30 | 30 |
| Vin(Min), V | 9 | 9 | 9 | 9 | 9 | 9 |
Eco Plan
| TL3845BD | TL3845BD-8 | TL3845BDG4-8 | TL3845BDR | TL3845BDR-8 | TL3845BP | |
|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
| Pb Free | Yes |
Model Line
Series: TL3845B (6)
Manufacturer's Classification
- Semiconductors> Power Management> Offline and Isolated DC/DC Controllers and Converters> PWM and Resonant Controller
