IRDC3637 International Rectifier, IRDC3637 Datasheet - Page 18

• Manufacturer Part Number: IRDC3637
• Description: BOARD EVAL SYNC BUCK REGULATOR
• Manufacturer: International Rectifier

Specifications of IRDC3637

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.8V
• Current - Output: 7A
• Voltage - Input: 4.5 ~ 5.5V
• Regulator Topology: Buck
• Frequency - Switching: 400kHz
• Board Type: Fully Populated
• Utilized Ic / Part: IR3637
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

IR3637SPBF
TYPICAL OPERATING WAVEFORMS
Test Conditions:
Vcc=Vin=5V, Vc=12V, Vout=1.8V, Iout=0-7A, Ta=Room Temp, No Air Flow. Unless otherwise specified.
18
Figure 18 - Shutdown by shorting the SS pin
Ch1: Vout, Ch4: Step Load Current
Figure 20 - Load Transient (0-5A)
Ch1: Hdrv, Ch2: Ldrv, Ch3:SS
ILoad=5A
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Figure 19 - Output Voltage Ripple
Ch1: Vout, Ch4: Inductor Current
Ch1: Vout, Ch4: Step Load Current
Figure 21 - Load Transient (5-0A)
ILoad=5A
06/16/05
Rev.1.1