| Description | nn Small Form Factor Dual 4A Power Supply nn Wide Input Voltage Range: 4.5V to 20V (2.375V Min with CPWR Bias) nn Dual 180° Out-of-Phase Outputs with 4A DC nn Dual Outputs with 0.6V to 5.5V Range nn Output Voltage Tracking nn ±1.5% Maximum Total DC Output Voltage Error nn Up to 95% Maximum Efficien... |
| Features |
Description
nn Small Form Factor Dual 4A Power Supply nn Wide Input Voltage Range: 4.5V to 20V
(2.375V Min with CPWR Bias) nn Dual 180° Out-of-Phase Outputs with 4A DC nn Dual Outputs with 0.6V to 5.5V Range nn Output Voltage Tracking nn ±1.5% Maximum Total DC Output Voltage Error nn Up to 95% Maximum Efficiency nn Phase-Lockable Fixed Frequency 600kHz to 1.4MHz nn Constant On-Time, Valley Current Mode Architecture nn Selectable Burst Mode® Operation nn Output Overvoltage and Overcurrent Protection nn 9mm × 11.25mm × 4.92mm BGA Package
Applications
nn Telecom and Networking Equipment nn Serv...
|
| Datasheet |
 LTM4642 Datasheet - 1.07MB |
| Part Number | Description |
|---|---|
 Linear Technology |
10A High Efficiency DC/DC uModule The LTM®4600 is a complete 10A, DC/DC step down power supply. Included in the package are the switching controller, power FETs, inductor, and all support components. Operating over an input voltage range of 4.5V to 20V, the LTM4600 supports an output voltage range of 0.6V to 5V, set by a single resistor. This high efficiency design delivers 10A continuous current (14A peak), needing no heat sinks or airflow to meet power specifications. Only bulk input and output capacitors are needed to finish the design. The low profile package (2.82mm) enables utilization of unused space on the bottom of PC boards for high density point of load regulation. High switching frequency and an adaptive on-time ... |
Linear Technology |
High Efficiency DC/DC uModule The LTM®4600HV is a complete 10A, DC/DC step down power supply with up to 28V input operation. Included in the package are the switching controller, power FETs, inductor, and all support components. Operating over an input voltage range of 4.5V to 28V, the LTM4600HV supports an output voltage range of 0.6V to 5V, set by a single resistor. This high efficiency design delivers 10A continuous current (12A peak), needing no heat sinks or airflow to meet power specifications. Only bulk input and output capacitors are needed to finish the design. The low profile package (2.82mm) enables utilization of unused space on the bottom of PC boards for high density point of load regulation. High switching... |
Linear Technology |
12A uModule Regulators The LTM®4601 is a complete 12A step-down switch mode DC/DC power supply with onboard switching controller, MOSFETs, inductor and all support components. The µModule® regulator is housed in small surface mount 15mm × 15mm × 2.82mm LGA and 15mm × 15mm × 3.42mm BGA packages. Operating over an input voltage range of 4.5V to 20V, the LTM4601 supports an output voltage range of 0.6V to 5V as well as output voltage tracking and margining. The high efficiency design delivers 12A continuous current (14A peak). Only bulk input and output capacitors are needed to complete the design. The low profile and light weight package easily mounts in unused space on the back side of PC boards for high density po... |
Linear Technology |
12A uModule Regulators The LTM®4601 is a complete 12A step-down switch mode DC/DC power supply with onboard switching controller, MOSFETs, inductor and all support components. The µModule® regulator is housed in small surface mount 15mm × 15mm × 2.82mm LGA and 15mm × 15mm × 3.42mm BGA packages. Operating over an input voltage range of 4.5V to 20V, the LTM4601 supports an output voltage range of 0.6V to 5V as well as output voltage tracking and margining. The high efficiency design delivers 12A continuous current (14A peak). Only bulk input and output capacitors are needed to complete the design. The low profile and light weight package easily mounts in unused space on the back side of PC boards for high density po... |
Linear Technology |
12A uModule Regulator The LTM®4601A is a complete 12A step-down switch mode DC/DC power supply with onboard switching controller, MOSFETs, inductor and all support components. The µModule® regulator is housed in a small surface mount 15mm × 15mm × 2.82mm LGA or 15mm × 15mm × 3.42mm BGA package. The LTM4601A LGA and BGA packages are designed with redundant mounting pads to enhance solder-joint strength for extended temperature cycling endurance. Operating over an input voltage range of 4.5V to 20V, the LTM4601A supports an output voltage range of 0.6V to 5V as well as output voltage tracking and margining. The high efficiency design delivers 12A continuous current (14A peak). Only bulk input and output capacitors ... |
Linear Technology |
12A uModule Regulator The LTM®4601A is a complete 12A step-down switch mode DC/DC power supply with onboard switching controller, MOSFETs, inductor and all support components. The µModule® regulator is housed in a small surface mount 15mm × 15mm × 2.82mm LGA or 15mm × 15mm × 3.42mm BGA package. The LTM4601A LGA and BGA packages are designed with redundant mounting pads to enhance solder-joint strength for extended temperature cycling endurance. Operating over an input voltage range of 4.5V to 20V, the LTM4601A supports an output voltage range of 0.6V to 5V as well as output voltage tracking and margining. The high efficiency design delivers 12A continuous current (14A peak). Only bulk input and output capacitors ... |
Linear Technology |
DC/DC uModule Regulator n Complete Switch Mode Power Supply n Wide Input Voltage Range: 4.5V to 28V n 12A DC Typical, 14A Peak Output Current n 0.6V to 5V Output Voltage n Output Voltage Tracking and Margining n Redundant Mounting Pads for Enhanced Solder-Joint Strength n Parallel Multiple µModule® Regulators for Current Sharing n Differential Remote Sensing for Precision Regulation n PLL Frequency Synchronization n ±1.5% Total DC Error n Current Foldback Protection (Disabled at Start-Up) n SnPb or RoHS Compliant Finish n –55°C to 125°C Operating Temperature Range (LTM4601AHVMPV) n Ultrafast™ Transient Response n Up to 95% Efficiency at 5VIN, 3.3VOUT n Programmable Soft-Start n Output Overvoltage P... |
Linear Technology |
DC/DC uModule Regulator n Complete Switch Mode Power Supply n Wide Input Voltage Range: 4.5V to 28V n 12A DC Typical, 14A Peak Output Current n 0.6V to 5V Output Voltage n Output Voltage Tracking and Margining n Parallel Multiple µModule® Regulators for Current Sharing n Differential Remote Sensing for Precision Regulation n PLL Frequency Synchronization n ±1.5% Regulation n Current Foldback Protection (Disabled at Start-Up) n RoHS Compliant with Pb-Free Finish, Gold Finish LGA (e4) or SAC 305 BGA (e1) n Ultrafast Transient Response n Current Mode Control n Up to 95% Efficiency at 5VIN, 3.3VOUT n Programmable Soft-Start n Output Overvoltage Protection n Small Footprint, Low Profile (15mm × 15mm × ... |
Linear Technology |
6A High Effi ciency DC/DC uModule The LTM®4602 is a complete 6A DC/DC step down power supply. Included in the package are the switching controller, power FETs, inductor, and all support components. Operating over an input voltage range of 4.5V to 20V, the LTM4602 supports an output voltage range of 0.6V to 5V, set by a single resistor. This high efficiency design delivers 6A continuous current (8A peak), needing no heat sinks or airflow to meet power specifications. Only bulk input and output capacitors are needed to finish the design. The low profile package (2.8mm) enables utilization of unused space on the bottom of PC boards for high density point of load regulation. High switching frequency and an adaptive on-time current mo... |
Linear Technology |
High Efficiency DC/DC uModule U U FEATURES ■ Complete Switch Mode Power Supply ■ Wide Input Voltage Range: 4.5V to 28V ■ 6A DC, Typical 8A Peak Output Current ■ 0.6V to 5V Output Voltage ■ 1.5% Output Voltage Regulation ■ Ultrafast Transient Response ■ Parallel µModule™ DC/DC Converters ■ Current Mode Control ■ Pin Compatible with the LTM4600 and LTM4602 ■ Up to 92% Efficiency ■ Programmable Soft-Start ■ Output Overvoltage Protection ■ Optional Short-Circuit Shutdown Timer ■ Pb-Free (e4) RoHS Compliant Package with Gold-Pad Finish ■ Small Footprint, Low Profile (15mm × 15mm × 2.8mm) LGA Package U APPLICATIO S ■ Telecom and Networking Equipment ■ Servers ■ Industrial Equipment ■ Point of Load Regulation , LT, LTC and LTM a... |
Linear Technology |
6A DC/DC uModule Regulator The LTM®4603 is a complete 6A step-down switch mode DC/DC µModule® regulator with onboard switching controller, MOSFETs, inductor and all support components. The device is housed in a small surface mount 15mm × 15mm × 2.82mm LGA package. Operating over an input voltage range of 4.5V to 20V, the LTM4603 supports an output voltage range of 0.6V to 5V as well as output voltage tracking and margining. The high efficiency design delivers 6A continuous current (8A peak). Only bulk input and output capacitors are needed to complete the design. The low profile (2.82mm) and light weight (1.7g) package easily mounts on the unused space on the back side of PC boards for high density point of load regul... |
Linear Technology |
6A DC/DC uModule Regulator The LTM®4603 is a complete 6A step-down switch mode DC/DC µModule® regulator with onboard switching controller, MOSFETs, inductor and all support components. The device is housed in a small surface mount 15mm × 15mm × 2.82mm LGA package. Operating over an input voltage range of 4.5V to 20V, the LTM4603 supports an output voltage range of 0.6V to 5V as well as output voltage tracking and margining. The high efficiency design delivers 6A continuous current (8A peak). Only bulk input and output capacitors are needed to complete the design. The low profile (2.82mm) and light weight (1.7g) package easily mounts on the unused space on the back side of PC boards for high density point of load regul... |
Linear Technology |
DC/DC uModule The LTM®4603HV is a complete 6A step-down switch mode DC/DC power supply with onboard switching controller, MOSFETs, inductor and all support components. The µModuleTM is housed in a small surface mount 15mm × 15mm × 2.82mm LGA package. Operating over an input voltage range of 4.5 to 28V, the LTM4603HV supports an output voltage range of 0.6V to 5V as well as output voltage tracking and margining. The high efficiency design delivers 6A continuous current (8A peak). Only bulk input and output capacitors are needed to complete the design. The low profile (2.82mm) and light weight (1.7g) package easily mounts on the unused space on the back side of PC boards for high density point of load regul... |
Linear Technology |
4A DC/DC uModule The LTM®4604 is a complete 4A switch mode DC/DC power supply. Included in the package are the switching controller, power FETs, inductor and all support components. Operating over an input voltage range of 2.375V to 5.5V, the LTM4604 supports an output voltage range of 0.8V to 5V, set by a single resistor. This high efficiency design delivers up to 4A continuous current (5A peak). Only bulk output capacitors are needed to complete the design. The low profile package (2.3mm) enables utilization of unused space on the bottom of PC boards for high density point of load regulation. High switching frequency and a current mode architecture enable a very fast transient response to line and load chang... |
Linear Technology |
4A DC/DC uModule The LTM®4604A is a complete 4A switch mode DC/DC power supply with ±1.75% total output voltage error. Included in the package are the switching controller, power FETs, inductor and all support components. Operating over an input voltage range of 2.375V to 5.5V, the LTM4604A supports an output voltage range of 0.8V to 5V, set by a single resistor. This high efficiency design delivers up to 4A continuous current (5A peak). Only bulk output capacitors are needed to complete the design. The 0.630mm LGA pads with 1.27mm pitch simplify PCB layout by providing standard trace routing and via placement. (The LTM4604A has smaller pads than the LTM4604.) The low profile package (2.3mm) enables utilizatio... |
Linear Technology |
High Efficiency Buck-Boost DC/DC uModule Regulator The LTM®4605 is a high efficiency switching mode buckboost power supply. Included in the package are the switching controller, powerFETs,and support components. Operating over an input voltage range of 4.5V to 20V, the LTM4605 supports an output voltage range of 0.8V to 16V, set by a resistor. This high efficiency design delivers up to 5A continuous current in boost mode (12A in buck mode). Only the inductor, sense resistor, bulk input and output capacitors are needed to finish the design. The low profile package enables utilization of unused space on the bottom of PC boards for high density point of load regulation. The high switching frequency and current mode architecture enable a very fa... |
Linear Technology |
6A DC/DC uModule Regulator The LTM®4606 is a complete EN55022 Class B certified noise high voltage 6A switching mode DC/DC power supply. Included in the package are the switching controller, power FETs, inductor, and all support components. The on-board input filter and noise cancellation circuits achieve low noise operation, thus effectively reducing the electromagnetic interference (EMI). Operating over an input voltage range of 4.5V to 28V, the LTM4606 supports an output voltage range of 0.6V to 5V, set by a single resistor. This high efficiency design delivers 6A continuous current (8A peak). Only bulk input and output capacitors are needed to finish the design. High switching frequency and an adaptive on-time cur... |