Integrated DC-DC POL Converters

Single Output DC-DC POL
Multi-Output DC-DC POL

Our SupIRBuck® and Integrated POL converters deliver benchmark efficiency and dramatically reduce system size. Current capability as high as 35A are available in a compact PQFN package. Target applications include server storage, routers and switches, telecom base stations, digital home media, mobile computing.

Product Brief
TitleSizeDateVersion
DC-DC Power Management for Freescale QorlQ T-Series；EN1.3 MB20 Oct 2011
Application Notes
TitleSizeDateVersion
Stabilize the Buck Converter with Transconductance Amplifier；EN92 KB09 Dec 2003
Compensator Design Procedure for Buck Converter with Voltage-Mode Error-Amplifier；EN1.3 MB06 May 2012
Thermal Derating of DC-DC Convertors using IR3899/98/97；EN1 MB05 Sep 2011
Product Selection Guide
TitleSizeDateVersion
DC-DC Point-of-Load Solutions Product Selection Guide；EN2.8 MB12 Mar 2008
Integrated POL Voltage Regulator Product Selection Guide；EN629 KB12 Mar 2008
Evaluation Boards
BoardFamilyDescriptionStatus
IRDC3473Featuring IR3473 Voltage Regulator in a very small 4x5 QFN Package. Programmable Switching Frequency,. Thermally Compensated Over-Current Protection,. Soft Start, Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 8V to 19V, VOUT = 1.05V, FS = 300kHz, up to 6A.IR3473Mactive
IRDC3475Featuring IR3475 Voltage Regulator in a very small 4x5 QFN Package. Programmable Switching Frequency,. Thermally Compensated Over-Current Protection,. Soft Start, Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 8V to 19V, VOUT = 1.05V, FS = 300kHz, up to 10A.IR3475Mactive
IRDC3476Featuring IR3476 Voltage Regulator in a very small 5x6 QFN Package. Programmable Switching Frequency,. Thermally Compensated Over-Current Protection,. Soft Start, Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 8V to 19V, VOUT = 1.05V, FS = 300kHz, up to 12A.IR3476Mactive
IRDC3477Featuring IR3477 Voltage Regulator in a very small 5x6 QFN Package. Programmable Switching Frequency,. Thermally Compensated Over-Current Protection,. Soft Start, Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 8V to 19V, VOUT = 1.05V, FS = 300kHz, up to 15A.IR3477Mactive
IRDC3823Vin = +12V (+ 13.2V Max). Vout = +1.2V @ 0- 3A. Fs=1000kHz. L= 1.0uH (4.0mm X 4.0mm X 2.1mm, DCR=10.8mO). Cin= 2x10uF (25V, ceramic 1206) + 1X100uF (25V, electrolytic). Cout=1x22uF (6.3V, ceramic 0805).IR3823Mactive
IRDC3831WProgrammable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.IR3831WMactive
IRDC3832WProgrammable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.IR3832WMactive
IRDC3837Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.IR3837Mactive
IRDC3838Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.IR3838Mactive
IRDC3839Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.IR3839Mactive
IRDC3840WProgrammable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.IR3840WMactive
IRDC3841WProgrammable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.IR3841WMactive
IRDC3842WProgrammable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.IR3842WMactive
IRDC3843WProgrammable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.IR3843WMactive
IRDC3846Remote Differential Voltage Sense. Programmable Switching Frequency up to 1.5MHz. Single Rail Operation, Tracking, Margining, OCP.IR3846Mactive
IRDC3847Remote Differential Voltage Sense. Programmable Switching Frequency up to 1.5MHz. Single Rail Operation, Tracking, Margining, OCP.IR3847Mactive
IRDC3853Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.IR3853Mactive
IRDC3856Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.IR3856Mactive
IRDC3859Programmable Soft Start. Programmable Over Current Protection. Pre-Bias Start Up.IR3859Mactive
IRDC3863Featuring IR3863 Voltage Regulator in a very small 4x5 QFN Package. Programmable Switching Frequency,. Thermally Compensated Over-Current Protection,. Soft Start, Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 12V, VOUT = 1.05V, FS = 300kHz, up to 6A.IR3863Mactive
IRDC3865Featuring IR3865 Voltage Regulator in a very small 4x5 QFN Package. Programmable Switching Frequency,. Thermally Compensated Over-Current Protection,. Soft Start, Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 12V, VOUT = 1.05V, FS = 300kHz, up to 10A.IR3865Mactive
IRDC3871High Efficiency Integrated Point of Load DC-DC Voltage Regulator. Featuring IR3871 Voltage Regulator. Constant On-Time control with Programmable Switching Frequency,. Soft Start, and Over-Current Protection.. Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 8V to 19V, VOUT = 1.05V, FS = 300kHz, up to 8A.IR3871Mactive
IRDC3876High Efficiency Integrated Point of Load DC-DC Voltage Regulator. Featuring IR3876 Voltage Regulator. Constant On-Time control with Programmable Switching Frequency,. Soft Start, and Over-Current Protection.. Pre-Bias Start Up, Enable Input, Power Good Output.. VIN = 7V to 16V, VOUT = 1.05V, FS = 300kHz, up to 12A.IR3876Mactive
IRDC3891Dual Output in 5x6mm PQFN. Out of phase operation to reduce Input Capacitors. Programmable Switching Frequency up to 1.5MHz.IR3891Mactive
IRDC3892Dual Output in 5x6mm PQFN. Very small dual output solution size. Out of phase operation to reduce Input Capacitors. Programmable Switching Frequency up to 1.0MHz.IR3892Mactive
IRDC3894Enhanced Line/Load Regulation with Feed-Forward. Programmable Switching Frequency up to 1.5MHz. Single Rail Operation, Tracking, Margining, OCP.IR3894Mactive
IRDC3895Enhanced Line/Load Regulation with Feed-Forward. Programmable Switching Frequency up to 1.5MHz. Single Rail Operation, Tracking, Margining, OCP.IR3895Mactive
IRDC3897Enhanced Line/Load Regulation with Feed-Forward. Programmable Switching Frequency up to 1.5MHz. Single Rail Operation, Tracking, Margining, OCP.IR3897Mactive
IRDC3898Enhanced Line/Load Regulation with Feed-Forward. Programmable Switching Frequency up to 1.5MHz. Single Rail Operation, Tracking, Margining, OCP.IR3898Mactive
IRDC3899Enhanced Line/Load Regulation with Feed-Forward. Programmable Switching Frequency up to 1.5MHz. Single Rail Operation, Tracking, Margining, OCP.IR3899Mactive
EN integrated-dc-dc-pol-converters
EN integrated-dc-dc-pol-converters
EN integrated-dc-dc-pol-converters
EN IR3899M
EN integrated-dc-dc-pol-converters
EN integrated-dc-dc-pol-converters
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