Datasheet Texas Instruments UC3525AQ
| Manufacturer | Texas Instruments |
| Series | UC3525A |
| Part Number | UC3525AQ |
Regulating Pulse Width Modulators 20-PLCC 0 to 70
Datasheets
UCx52xA Regulating Pulse Width Modulators datasheet
PDF, 965 Kb, Revision: D, File published: Jul 27, 2017
Extract from the document
Status
| Lifecycle Status | NRND (Not recommended for new designs) |
| Manufacture's Sample Availability | No |
Packaging
| Pin | 20 |
| Package Type | FN |
| Industry STD Term | PLCC |
| JEDEC Code | S-PQCC-J |
| Package QTY | 46 |
| Carrier | TUBE |
| Device Marking | UC3525AQ |
| Width (mm) | 8.96 |
| Length (mm) | 8.96 |
| Thickness (mm) | 4.06 |
| Pitch (mm) | 1.27 |
| Max Height (mm) | 4.57 |
| Mechanical Data | Download |
Parametrics
| Control Method | Voltage |
| Duty Cycle(Max) | 49 % |
| Frequency(Max) | 500 kHz |
| Frequency(Min) | 0.1 kHz |
| Gate Drive(Typ) | 0.4 A |
| Operating Temperature Range | 0 to 70 C |
| Package Group | PDIP,SOIC |
| Rating | Catalog |
| Special Features | Error Amplifier,Multi-topology,Soft Start,Synchronization Pin |
| Topology | Boost,Buck,Flyback,Forward,Full-Bridge,Half-Bridge,Push-Pull |
| UVLO Thresholds On/Off | 7.0/6.5 V |
| Vin(Max) | 35 V |
| Vin(Min) | 8 V |
Eco Plan
| RoHS | Compliant |
Application Notes
- DN-62 Switching Power Supply Topology Voltage Mode vs. Current ModePDF, 66 Kb, File published: Sep 5, 1999
This design note explains the differences between voltage-mode and current-mode switching power supply topologies. It includes a circuit diagram for each mode and suggests criteria for choosing which mode to use.
Model Line
Series: UC3525A (8)
Manufacturer's Classification
- Semiconductors > Power Management > Offline and Isolated DC/DC Controllers and Converters > PWM and Resonant Controller