| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 20 Pin |
| Supply Voltage (DC) | 75.0V (max) |
| Case/Package | TSSOP-20 |
| Number of Outputs | 1 Output |
| Output Voltage | 1.225V ~ 70V |
| Output Current | 3 A |
| Quiescent Current | 1.00 mA |
| Number of Regulated Outputs | 1 Output |
| Switching Frequency | 50kHz ~ 500kHz |
| Topology | Buck |
| Input Voltage (Max) | 75 V |
| Input Voltage (Min) | 6 V |
| Output Voltage (Max) | 70 V |
| Output Voltage (Min) | 1.225 V |
| Output Current (Max) | 3 A |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Input Voltage | 6V ~ 75V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Cut Tape (CT) |
| Size-Length | 6.5 mm |
| Size-Width | 4.4 mm |
| Size-Height | 0.9 mm |
| Operating Temperature | -40℃ ~ 125℃ (TJ) |
The LM5576 is an easy to use SIMPLE SWITCHER buck regulator which allows design engineers to design and optimize a robust power supply using a minimum set of components. Operating with an input voltage range of 6 - 75 V, the LM5576 delivers 3 A of continuous output current with an integrated 170 mΩ N-Channel MOSFET. The regulator utilizes an Emulated Current Mode architecture which provides inherent line regulation, tight load transient response, and ease of loop compensation without the usual limitation of low-duty cycles associated with current mode regulators. The operating frequency is adjustable from 50 kHz to 500 kHz to allow optimization of size and efficiency. To reduce EMI, a frequency synchronization pin allows multiple ICs from the LM(2)557x family to self-synchronize or to synchronize to an external clock. The LM5576 ensures robustness with cycle-by-cycle current limit, short-circuit protection, thermal shut-down, and remote shut-down. The device is available in a power enhanced HTSSOP-20 package featuring an exposed die attach pad for thermal dissipation. The LM5576 is supported by the full suite of WEBENCH On-Line design tools.
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