iru3138 International Rectifier Corp., iru3138 Datasheet - Page 16

• Manufacturer Part Number: iru3138
• Description: Synchronous Pwm Controller For Termination Power Supply Applications -
• Manufacturer: International Rectifier Corp.

IRU3138
16
Figure 14 - Efficiency for IRU3138 Evaluation Board
Figure 16 - Shut Down the output by pulling down the
soft-start pin
Ch1: HDrv, Ch2:LDrv, Ch3: SS pin
92
90
88
86
84
82
80
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
TYPICAL OPERATING CHARACTERISTICS
Vin=5.0V, Vout=1.6V
Output Current (A)
Figure 18 - Transient response @ Iout=15A
Ch1: Output, Ch4:Iout (5A/Div)
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Figure 17 - Output Voltage Ripple @ 15A
Ch1:Output, Ch4:Iout (5A/Div)
Figure 15 - Start-up time
Ch2:VC, Ch3:SS pin, Ch4:Vout
01/29/04
Rev. 1.0