Product Summary
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 - 75V, the LM5576 delivers 3A of continuous output current with an integrated 170mΩ N-Channel MOSFET.
Parametrics
Absolute maximum ratings: (1)VIN to GND: 76V; (2)BST to GND: 90V; (3)PRE to GND: 76V; (4)SW to GND (Steady State): -1.5V; (5)BST to VCC: 76V; (6)SD, VCC to GND: 14V; (7)BST to SW: 14V; (8)OUT to GND: Limited to Vin; (9)SYNC, SS, FB, RAMP to GND: 7V; (10)ESD Rating Human Body Model: 2kV; (11)Storage Temperature Range: -65℃ to +150℃.
Features
Features: (1)Integrated 75V, 170mΩ N-channel MOSFET; (2)Ultra-wide input voltage range from 6V to 75V; (3)Adjustable output voltage as low as 1.225V; (4)1.5% feedback reference accuracy; (5)Operating frequency adjustable between 50kHz and 500kHz with single resistor; (6)Master or slave frequency synchronization; (7)Adjustable soft-start; (8)Emulated current mode control architecture; (9)Wide bandwidth error amplifier; (10)Built-in protection.
Diagrams
Image | Part No | Mfg | Description | Pricing (USD) |
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LM5576EVAL/NOPB |
BOARD EVAL FOR LM5576 |
Data Sheet |
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LM5576MH |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers |
Data Sheet |
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LM5576MH/NOPB |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers 75V,3A STEP-DOWN SWITCHING REG |
Data Sheet |
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LM5576MHX |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers |
Data Sheet |
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LM5576MHX/NOPB |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers |
Data Sheet |
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LM5576Q0MH/NOPB |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers |
Data Sheet |
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LM5576QMH/NOPB |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers 75V, 3A Step-Down Switching Reg |
Data Sheet |
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LM5576QMHX/NOPB |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers |
Data Sheet |
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