IR3637STRPBF International Rectifier, IR3637STRPBF Datasheet - Page 18

• Manufacturer Part Number: IR3637STRPBF
• Description: IC SYNC BUCK REGULATOR 8 SOIC
• Manufacturer: International Rectifier

Specifications of IR3637STRPBF

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 440kHz
• Duty Cycle: 85%
• Voltage - Supply: 4.5 V ~ 14 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 125°C
• Package / Case: 8-SOIC (3.9mm Width)
• Frequency-max: 440kHz
• Output Current: 15A
• Frequency: 400kHz
• Supply Voltage Range: 4.5V To 5.5V
• Digital Ic Case Style: SOIC
• No. Of Pins: 8
• Operating Temperature Range: 0°C To +125°C
• Termination Type: SMD
• Rohs Compliant: Yes
• Filter Terminals: SMD
• Controller Type: PWM
• For Use With: IRPP3637-12A - KIT REF DES 12A 1PH SYNC BUCKIRDC3637 - BOARD EVAL SYNC BUCK REGULATOR
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: IR3637STRPBF; IR3637STRPBFTR

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