IRPP3637-06A International Rectifier, IRPP3637-06A Datasheet
IRPP3637-06A
Related parts for IRPP3637-06A
IRPP3637-06A Summary of contents
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... IRPP3637-06A POWIR+ Chipset Reference Design 6Amp Single Phase Synchronous Buck TM POWIR+ using IR3637ASPBF PWM & Driver IC and IRF8910PBF Dual SO-8 MOSFET By Steve Oknaian, Senior Applications Engineer Introduction ..........................................................................................2 Design Details ......................................................................................2 Start-Up Procedure ..............................................................................3 Layout Considerations .........................................................................3 Circuit Schematic .................................................................................5 Complete Bill of Materials.....................................................................6 PCB layouts .........................................................................................7-8 Electrical Efficiency & ...
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... External is Vc bias. (Optional) (J5) +12V External Vc bias RTN (J6) Figure 1: IRPP3637-06A Electrical Connection Diagram Input/Output Connections J1: Input power connection terminal J2: Input power return preferred connection terminal J3: Output power return preferred connection terminal J4: Output terminal J5: External bias power connection terminal ...
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Start-Up Procedure The 5V input power is connected between terminals J1 and J2 and the 1.25V, 6A output power is obtained through terminals J3 and J4. The V and V pins are the low side CC C driver and high ...
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... Layout Considerations The IRPP3637-06A reference design PCB layout offers compact design with minimum parasitics at 600kHz switching frequency. The board is designed with 4 layers using 1 oz copper weight per layer. Figures 3a through 3d represent the layout of each layer. To minimize the parasitics, the following observed: 1 ...
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... Figure 2: Schematic Diagram for IRPP3637-06A Reference Design www.irf.com RD-0604 5 ...
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... Resistor,thick film,11kΩ Resistor,thick film,6.19kΩ, 1% Dual FET,20V,Q1/Q2=18.3mΩ,11nC 1 U1 PWM Controller 6 C2, C8, R4, R7, R9,R12 Not installed Table 1 – Complete Bill of Materials for IRPP3637-06A Reference Design www.irf.com SIZE MFR 0603 TDK 0603 KOA 0603 TDK 0603 TDK 1206 TDK 8mm X 16mm ...
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... Figure 3a: IRPP3637-06A Reference Design top layer placement and layout. Figure 3b: IRPP3637-06A Reference Design mid-layer1 ground plane www.irf.com RD-0604 7 ...
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... Figure 3c: IRPP3637-06A Reference Design mid-layer2 layout. Figure 3d: IRPP3637-06A Reference Design bottom layer layout. www.irf.com RD-0604 8 ...
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... Figure 4a: IRPP3637-06A Reference Design Electrical Efficiency IRPP3637AS-6A System Power Loss 5Vin, 1.25Vout, 600KHz, 25 2.00 1.75 1.50 1.25 1.00 0.75 0.50 0.25 0. Figure 4b: IRPP3637-06A Reference Design Power Loss Curve www.irf.com IRPP3637AS-6A Efficiency 0 C, 0LFM Load Current (Amps 0LFM Load Current (Amps) RD-0604 ...
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... Figure 5: IRPP3637-06A Reference Design Thermograph at 6A load Gain Ph =67 margin F = 57kHz o Figure 6: IRPP3637-06A Reference Design Bode Plot of the Control Loop at 6A load. www.irf.com IRF8910 Dual SO8 package -IR3637AS Vin=5V, Vo=1.25V, T =45 C Io= LFM Phase 0 RD-0604 ...
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Figure 8: Output ripple, I www.irf.com Figure 7: Input ripple, I =6A O =6A O RD-0604 11 ...
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Figure 9: Output Voltage undershoot due load step, di/dt=2.5A/us Figure 10: Output Voltage overshoot due load step, di/dt=2.5A/us www.irf.com RD-0604 12 ...
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Figure 11: Power up. Ch1=V Figure 12: Power down. Ch1=V www.irf.com , Ch2=V , Ch3=Soft Start IN OUT , Ch2=V , Ch3=Soft Start IN OUT RD-0604 13 ...
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... Figure 13: Output short circuit protection. Ch1=V Max OUT OUT Power (V) (V) (A) (W) 5V 1.25V 6A 7.5W Table 2 – IRPP3637-06A Reference Design Performance Summary Input Output Part Number Voltage Voltage IRPP3637-06A 5V 1.25V IRPP3637-12A 12V 1.8V IRPP3637-18A 12V 3.3V Custom IRPP3637-06A 3.0V to Custom 0.8V to 5.0V 13 ...