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DC-DC Reference Designs
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International Rectifier offers a wide range of reference designs for DC-DC applications. Each reference design kit includes a fully assembled and tested demo board along with applicable datasheets and application notes.
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Download this overview for a full feature list of each kit.
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| Featured Kits |
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IRDC3640
25A, 600kHz, Synchronous Buck Controller Reference Design
- Featuring IR3640M PWM Controller
- Programmable soft-start ramp
- Power Good
- Thermal protection
- Over voltage and over current protection
- Programmable switching frequency
- Tracking input
- Enable input
- Input under-voltage lockout for proper start-up
- Pre-bias start-up.
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IRDC38 Series
Integrated Point of Load DC-DC Voltage Regulator
- Programmable Soft Start
- Programmable Over Current Protection
- Pre-Bias Start Up
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IRDC3622D
Dual Output Reference Design using Dual Synchronous Buck Controller
- Featuring IR3622MPbF with IRF6622 and IRF6629 DirectFET MOSFETs
- 12 Vin, 2.5 Vout @ 20A Iout and 1.8 Vout @ 20A Iout
- 350 KHz switching frequency per output
- Current sharing reference design also available- see IRDC3622S
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IRDC3651
Wide Input Synchronous Buck Regulator
- Ideal for onboard DC to DC applications
- 48 Vin, 3.3 Vout @ 10A Iout
- 100 KHz switching frequency
- Featuring IR3651SPBF controller
- Foot print compatible with either DirectFETs or SO8 MOSFETs
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IRDC3621
2-Phase Dual Sync Buck with Oscillator Synchronization
- Featuring IR3621M PWM Controller
- Pie-bias Startup
- Ideal for high current onboard DC to DC applications
- Programmable switching frequency up to 500 kHz
- 12 Vin, 2.5 V and 1.8 V out @ 10A each
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| Reference Design |
Part Number |
Description |
| IRDC3622D |
IR3622MPBF |
Dual Output Reference Design using Dual Synchronous Buck Controller |
| IRDC3622S |
IR3622MPBF |
Current Sharing Reference Design using Dual Channel Synchronous Buck Controller |
| IRDC3637 |
IR3637 |
Reference design kit featuring High Performance Synchronous Buck Controller |
| IRDC3640 |
IR3640 |
25A, 600kHz, Synchronous Buck Controller Reference Design |
| IRDC3651 |
IR3651PBF |
Reference design kit featuring Wide Input Synchronous Buck Regulator |
| IRDC3810 |
IR3810 |
Integrated Point of Load DC-DC Voltage Regulator with Tracking with Vin 12V, Vout 0.75V and Imax 12A |
| IRDC3811 |
IR3811 |
Integrated Point of Load DC-DC Voltage Regulator with Tracking with Vin 12V, Vout 0.75V and Imax 7A |
| IRDC3812 |
IR3812 |
Integrated Point of Load DC-DC Voltage Regulator with Tracking with Vin 12V, Vout 0.75V and Imax 4A |
| IRDC3820 |
IR3820 |
Integrated Point of Load DC-DC Voltage Regulator with PowerGOOD with Vin 12V, Vout 1.8V and Imax 12A |
| IRDC3820A |
IR3820A |
Integrated Point of Load DC-DC Voltage Regulator with PowerGOOD with Vin 12V, Vout 1.8V and Imax 14A |
| IRDC3821 |
IR3821 |
Integrated Point of Load DC-DC Voltage Regulator with PowerGOOD with Vin 12V, Vout 1.8V and Imax 7A |
| IRDC3821A |
IR3821A |
Integrated Point of Load DC-DC Voltage Regulator with PowerGOOD with Vin 12V, Vout 1.8V and Imax 9A |
| IRDC3822 |
IR3822 |
Integrated Point of Load DC-DC Voltage Regulator with PowerGOOD with Vin 12V, Vout 1.8V and Imax 4A |
| IRDC3822A |
IR3822A |
Integrated Point of Load DC-DC Voltage Regulator with PowerGOOD with Vin 12V, Vout 1.8V and Imax 6A |
| IRDCiP1201-A |
iP1201 |
2-phase, 30A, 3.14-5.5VIN, 0.8-3.3VOUT sychronous buck converter reference design |
| IRDCiP1202-A |
iP1202 |
2-phase, 30A, 5.5-13.2VIN, 0.8-3.3VOUT sychronous buck converter reference design |
| IRDCiP1206-A |
iP1206 |
1-phase 300 kHz, 30A, 7.5-14.5V IN, 0.8-5.5VOUT sychronous buck converter reference design |
| IRDCiP1206-B |
iP1206 |
2-phase 300 kHz, 30A, 7.5-14.5V IN, 0.8-8.0VOUT sychronous buck converter reference design |
| IRDCiP2005A-A |
iP2005A |
2-phase, 80A, 9.5-13.2VIN, 0.8-1.6VOUT synchronous buck converter |
| A limited supply of these archived reference designs still may be available. To
learn if quantities are available in your area, please click on the reference
design part number listed below, then select your region and click on “Check
Availability.” |
| Reference Design |
Part Number |
Description |
| IRDC2085S-DF |
IR2085S |
DC Bus Converter using IRF6603 secondary DirectFETs |
| IRDC2085S-S |
IR2085S |
DC Bus Converter using IRF7832 secondary FETs |
| IRDC2086-330W |
IR2086S |
Full bridge DC Bus Converter using IR2086S controller, IR6621, IR6635, IR6646 and IRF73830 FETs |
| IRDC2086S-DF |
IR2086S |
Full bridge DC Bus Converter using IRF7493 & IRF6603 FETs |
| IRDC3037 |
IRU3037 |
8-pin synchronous PWM controller, 200 KHz |
| IRDC3037A |
IRU3037A |
8-pin synchronous PWM controller, 400 KHz |
| IRDC3065 |
IRU3065 |
Positive to Negative Voltage Converter |
| IRDC3146 |
IRU3146 |
Reference design kit featuring High Performance Dual Synchronous Buck Controller |
| IRDC3621 |
IR3621M |
Reference design kit featuring High Performance Dual Synchronous Buck Controller |
| IRDC3624 |
IR3624 |
Reference design kit featuring High Performance Synchronous Buck Controller |
| IRDC5001-LS48V |
IR5001 |
-48V Active ORing for carrier class system boards |
| IRDC5001-LS370W |
IR5001 |
-48V Active ORing for carrier class system boards |
| IRDCiP1203-A |
iP1203 |
1-phase, 15A, 5.5-13.2VIN, 1.0-3.3VOUT sychronous buck converter reference design |
| IRDCiP2001-A |
iP2001 |
2-phase, 40A, 5-12VIN, 1-2VOUT multiphase buck converter reference design |
| IRDCiP2001-B |
iP2001 |
3-phase, 60A, 5-12VIN, 1-2VOUT multiphase buck converter reference design |
| IRDCiP2001-C |
iP2001 |
4-phase, 80A, 5-12VIN, 1-2VOUT multiphase buck converter reference design |
| IRDCiP2002-C |
iP2002 |
4-phase, 120A, 6.5-12VIN, 0.8-3.3VOUT multiphase buck converter reference design |
| IRDCiP2003A-C |
iP2003A |
4-phase, 160A, 5-12VIN, 0.8-3.3VOUT 4MHz Switching Frequency multiphase buck converter reference design |
| IRISMPS1 |
IRIS4007K |
DC-DC flyback power supply, IRIS4007(K), 48VIN, 5VOUT, 5A IOUT |
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