Datasheet Microchip LM2574
| Manufacturer | Microchip |
| Series | LM2574 |
The LM2574 family is a series of easy to use fixed and adjustable switching voltage regulators
Datasheets
LM2574 - 52 kHz Simple 0.5A Buck Regulator
PDF, 191 Kb, Revision: 11-05-2015
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Status
| LM2574-12YN | LM2574-3.3YN | LM2574-5.0YN | LM2574YN | |
|---|---|---|---|---|
| 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) |
Packaging
| LM2574-12YN | LM2574-3.3YN | LM2574-5.0YN | LM2574YN | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | PDIP | PDIP | PDIP | PDIP |
| Pins | 8 | 8 | 8 | 8 |
Parametrics
| Parameters / Models | LM2574-12YN | LM2574-3.3YN | LM2574-5.0YN | LM2574YN |
|---|---|---|---|---|
| # of Outputs | 1 | 1 | 1 | 1 |
| Automotive Rated | No | No | No | No |
| Duty Cycle Max, % | 0.98 | 0.98 | 0.98 | 0.98 |
| Input Voltage Range, V | 4 - 40 | 4 - 40 | 4 - 40 | 4 - 40 |
| Light Load Efficiency Mode | No | No | No | No |
| Operating Temperature Range, °C | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 |
| Output Current, mA) Max | 500 | 500 | 500 | 500 |
| Output Voltage Range, V | 1.23 | 1.23 | 1.23 | 1.23 |
| Quiescent Current, mA) type | 5 | 5 | 5 | 5 |
| Regulator Type | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) | Step Down (Buck) |
| SHUTDOWN Current, µA | 50 | 50 | 50 | 50 |
| Switching Frequency, kHz | 52 | 52 | 52 | 52 |
| Synchronous Rectifier | No | No | No | No |
| Vfb, V | 1.23 | 1.23 | 1.23 | 1.23 |
Eco Plan
| LM2574-12YN | LM2574-3.3YN | LM2574-5.0YN | LM2574YN | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LM2574 (4)
Manufacturer's Classification
- Power Management > Switching Regulators > Step Down up to 75V
