The LM5574 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 LM5574 delivers 0.5A of continuous output current with an integrated 750mΩ N-Channel MOSFET. The regulator utilizes an Emulated Current.
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Integrated 75V, 750mΩ N-channel MOSFET Ultra-wide input voltage range from 6V to 75V Adjustable output voltage as low as 1.225V 1.5% feedback reference accuracy Operating frequency adjustable between 50kHz and 500kHz with single resistor Master or slave frequency synchronization Adjustable soft-start Emulated current mode control architecture Wide bandwidth error amplifier Built-in protection
Package
■ TSSOP-16
Simplified Application Schematic
20212001
WEBENCH® is a registered trademark of National Semiconductor Corporation.
© 2007 National Semiconductor Corporation
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The LM5574 is an easy to use SIMPLE SWITCHER® buck regulator which allows design engineers to design and optimize a robu.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | LM5574-Q1 |
Texas Instruments |
0.5A Step-Down Switching Regulator | |
2 | LM5575 |
Texas Instruments |
1.5A Step-Down Switching Regulator | |
3 | LM5575 |
National Semiconductor |
Step-Down Switching Regulator | |
4 | LM5575-Q1 |
Texas Instruments |
1.5A Step-Down Switching Regulator | |
5 | LM5576 |
Texas Instruments |
3A Step-Down Switching Regulator | |
6 | LM5576 |
National Semiconductor |
Step-Down Switching | |
7 | LM5576-Q1 |
Texas Instruments |
3A Step-Down Switching Regulator | |
8 | LM55107A |
National Semiconductor |
dual line receivers | |
9 | LM55108A |
National Semiconductor |
dual line receivers | |
10 | LM55109 |
National Semiconductor |
dual line drivers | |
11 | LM55110 |
National Semiconductor |
dual line drivers | |
12 | LM55121 |
National Semiconductor |
dual line drivers |