Datasheet Microchip LM2575
| Manufacturer | Microchip |
| Series | LM2575 |
The LM2575 series of monolithic integrated circuits provide all the active functions for a step-down (buck) switching regulator
Datasheets
LM2575 - 52 kHz Simple 1A Buck Regulator
PDF, 157 Kb, Revision: 11-05-2015
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Prices
Status
| LM2575-12WT | LM2575-12WU | LM2575-12WU-TR | LM2575-12YN | LM2575-12YWM | LM2575-12YWM-TR | LM2575-3.3WT | LM2575-3.3WU | LM2575-3.3WU-TR | LM2575-3.3YN | LM2575-3.3YWM | LM2575-3.3YWM-TR | LM2575-5.0WT | LM2575-5.0WU | LM2575-5.0WU-TR | LM2575-5.0YN | LM2575-5.0YWM | LM2575-5.0YWM-TR | LM2575WT | LM2575WU | LM2575WU-TR | LM2575YN | LM2575YWM | LM2575YWM-TR | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lifecycle Status | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) | Production (Appropriate for new designs but newer alternatives may exist) |
Packaging
| LM2575-12WT | LM2575-12WU | LM2575-12WU-TR | LM2575-12YN | LM2575-12YWM | LM2575-12YWM-TR | LM2575-3.3WT | LM2575-3.3WU | LM2575-3.3WU-TR | LM2575-3.3YN | LM2575-3.3YWM | LM2575-3.3YWM-TR | LM2575-5.0WT | LM2575-5.0WU | LM2575-5.0WU-TR | LM2575-5.0YN | LM2575-5.0YWM | LM2575-5.0YWM-TR | LM2575WT | LM2575WU | LM2575WU-TR | LM2575YN | LM2575YWM | LM2575YWM-TR | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
| Package | TO-220 | DDPAK | DDPAK | PDIP | SOIC | SOIC | TO-220 | DDPAK | DDPAK | PDIP | SOIC | SOIC | TO-220 | DDPAK | DDPAK | PDIP | SOIC | SOIC | TO-220 | DDPAK | DDPAK | PDIP | SOIC | SOIC |
| Pins | 5 | 5 | 5 | 16 | 24 | 24 | 5 | 5 | 5 | 16 | 24 | 24 | 5 | 5 | 5 | 16 | 24 | 24 | 5 | 5 | 5 | 16 | 24 | 24 |
Parametrics
| Parameters / Models | LM2575-12WT | LM2575-12WU | LM2575-12WU-TR | LM2575-12YN | LM2575-12YWM | LM2575-12YWM-TR | LM2575-3.3WT | LM2575-3.3WU | LM2575-3.3WU-TR | LM2575-3.3YN | LM2575-3.3YWM | LM2575-3.3YWM-TR | LM2575-5.0WT | LM2575-5.0WU | LM2575-5.0WU-TR | LM2575-5.0YN | LM2575-5.0YWM | LM2575-5.0YWM-TR | LM2575WT | LM2575WU | LM2575WU-TR | LM2575YN | LM2575YWM | LM2575YWM-TR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| # of Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Automotive Rated | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
| Duty Cycle Max, % | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 |
| Input Voltage Range, V | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 |
| Light Load Efficiency Mode | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
| Operating Temperature Range, °C | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 |
| Output Current, mA) Max | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
| Output Voltage Range, V | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 |
| Quiescent Current, mA) type | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Regulator Type | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) |
| SHUTDOWN Current, µA | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| Switching Frequency, kHz | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 |
| Synchronous Rectifier | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
| Vfb, V | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 |
Eco Plan
| LM2575-12WT | LM2575-12WU | LM2575-12WU-TR | LM2575-12YN | LM2575-12YWM | LM2575-12YWM-TR | LM2575-3.3WT | LM2575-3.3WU | LM2575-3.3WU-TR | LM2575-3.3YN | LM2575-3.3YWM | LM2575-3.3YWM-TR | LM2575-5.0WT | LM2575-5.0WU | LM2575-5.0WU-TR | LM2575-5.0YN | LM2575-5.0YWM | LM2575-5.0YWM-TR | LM2575WT | LM2575WU | LM2575WU-TR | LM2575YN | LM2575YWM | LM2575YWM-TR | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LM2575 (24)
- LM2575-12WT LM2575-12WU LM2575-12WU-TR LM2575-12YN LM2575-12YWM LM2575-12YWM-TR LM2575-3.3WT LM2575-3.3WU LM2575-3.3WU-TR LM2575-3.3YN LM2575-3.3YWM LM2575-3.3YWM-TR LM2575-5.0WT LM2575-5.0WU LM2575-5.0WU-TR LM2575-5.0YN LM2575-5.0YWM LM2575-5.0YWM-TR LM2575WT LM2575WU LM2575WU-TR LM2575YN LM2575YWM LM2575YWM-TR
Manufacturer's Classification
- Power Management > Switching Regulators > Step Down up to 75V
