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IRF7457 Datasheet(PDF) 18 Page - International Rectifier

Part # IRF7457
Description  8-PIN SYNCHRONOUS PWM CONTROLLER
PDF  21 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IRF7457 Datasheet(HTML) 18 Page - International Rectifier

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18
Rev. 2.8
05/10/04
IRU3037 / IRU3037A
www.irf.com
Figure 22 - Efficiency for IRU3037 Evaluation Board.
Figure 23 - Start-up time @ IOUT=5A.
Figure 24 - Shutdown the output by
pulling down the soft-start.
Figure 25 - 3.3V output voltage ripple @ IOUT=5A.
Figure 26 - Transient response @ IOUT = 0 to 2A.
Figure 27 - Transient response @ IOUT = 0 to 4A.
VIN=5.0V, V OUT=3.3V
70
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100
0
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5
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Output Current (A)
DEMO-BOARD WAVEFORMS
IRU3037
IRU3037
IRU3037
IRU3037
IRU3037
2A
0A
0A
4A
Vss
VOUT
IOUT = 5V
VIN
VOUT



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