(Hong Kong)
Product Summary
The LM5574QMT 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 LM5574QMT delivers 0.5A of continuous output current with an integrated 750mΩ N-Channel MOSFET. The applications of the device are Automotive and Industrial.
Parametrics
LM5574QMT 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, SYNC, SS, FB, RAMP to GND 7V; (9)ESD Rating : 2kV; (10)Storage Temperature Range -65 to +150℃.
Features
LM5574QMT features: (1)LM5574Q is an Automotive Grade product that is AEC-Q100 grade 1 qualified; (2)Integrated 75V, 750m N-channel MOSFET; (3)Ultra-wide input voltage range from 6V to 75V; (4)Adjustable output voltage as low as 1.225V; (5)1.5% feedback reference accuracy; (6)Operating frequency adjustable between 50kHz and 500kHz with single resistor; (7)Master or slave frequency synchronization; (8)Adjustable soft-start; (9)Emulated current mode control architecture; (10)Wide bandwidth error amplifier; (11)Built-in protection; (12)Automotive Grade product datasheet that is AEC-Q100 grade 0 qualified is available upon request (-40 to + 150℃ operating junction temperature).
Diagrams
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Pricing (USD) |
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 LM5574QMT/NOPB |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers 75V,0.5A Step-Down Switching Reg |
Data Sheet |
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LM5574QMTX/NOPB |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers |
Data Sheet |
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