LM2577SX-ADJ
IC REG MULT CONFIG ADJ 3A DDPAKManufacturer: Texas Instruments
Categories: DC DC Switching Regulators
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Texas Instruments SIMPLE SWITCHER® LM2577SX-ADJ is a versatile monolithic IC designed for power supply applications. This step-up, step-up/step-down switching regulator supports both positive and negative output configurations and offers an adjustable output voltage from 1.23V up to 60V. With a maximum switch current of 3A, it is suitable for a wide range of power conversion needs. The device operates at a switching frequency of 52kHz and features an integrated output switch, eliminating the need for external diodes in many boost configurations. Its TO-263 (DDPAK-5) surface mount package facilitates efficient board space utilization. Applications include industrial power supplies, battery chargers, and LED drivers. The operating temperature range is -40°C to 125°C (TJ).
Additional Information
Series: SIMPLE SWITCHER®RoHS Status: RoHS non-compliantManufacturer Lead Time: 28 week(s)Product Status: Not For New DesignsPackaging: Tape & Reel (TR)Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Output Type | Adjustable |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Function | Step-Up, Step-Up/Step-Down |
| Current - Output | 3A (Switch) |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Output Configuration | Positive or Negative |
| Frequency - Switching | 52kHz |
| Voltage - Input (Max) | 40V |
| Topology | Boost, Flyback, Forward Converter |
| Supplier Device Package | TO-263 (DDPAK-5) |
| Synchronous Rectifier | No |
| Voltage - Output (Max) | 60V (Switch) |
| Voltage - Input (Min) | 3.5V |
| Voltage - Output (Min/Fixed) | 1.23V |