20VIN, 5A Step-Down DC/DC Module (Power Module) Regulator Features: Complete Solution in <1cm2 (Single-Sided PCB) or 0.5cm2 (Dual-Sided PCB) Wide Input Voltage Range: 4V to 20V Input Voltage Down to 2.375V with External Bias 0.6V to 5.5V Output Voltage 5A DC Output Current ±1.5% Maximum Total DC Output Voltage Error Over Line, Load and Temperature Current Mode Control, Fast Transient Response External Frequency Synchronization Multiphase Parallel Current Sharing with Multiple LTM4625s Output Voltage Tracking Selectable Discontinuous Mode Power Good Indicator Overvoltage, Overcurrent and Overtemperature Protection 6.25mm × 6.25mm × 5.01mm BGA Package

20VIN, 12A Step-Down DC/DC Module Regulator Features: Complete Solution in <1cm2 (Single-Sided PCB) or 0.5cm2 (Dual-Sided PCB) 6.25mm × 6.25mm × 3.87mm BGA Package Wide Input Voltage Range: 3.1V to 20V 0.6V to 5.5V Output Voltage 12A DC Output Current ±1.5% Maximum Total DC Output Voltage Error Over Line, Load and Temperature Differential Remote Sensing Amp Current Mode Control, Fast Transient Response External Frequency Synchronization Multiphase Parallel Current Sharing with Multiple LTM4626s Output Voltage Tracking Selectable Discontinuous Mode Power Good Indicator Overvoltage, Overcurrent and Overtemperature Protection

15A DC/DC Module (Power Module) Regulator Features: Complete 15A Switch Mode Power Supply Wide Input Voltage Range: 4.5V to 20V 0.6V to 5V Output Range ±1.5% Total DC Output Error Differential Remote Sense Amplifier for Precision Regulation Current Mode Control/Fast Transient Response Frequency Synchronization Parallel Current Sharing (Up to 60A) Selectable Pulse-Skipping or Burst Mode® Operation Soft-Start/Voltage Tracking Up to 93% Efficiency (12VIN, 3.3VOUT) Overcurrent Foldback Protection Output Overvoltage Protection Small Surface Mount Footprint, Low Profile 15mm × 15mm × 4.32mm LGA and 15mm × 15mm × 4.92mm BGA Packages

Dual 8A or Single 16A DC/DC Module (Power Module) Regulator Features: Complete Standalone Dual Power Supply Single 16A or Dual 8A Output Wide Input Voltage Range: 4.5V to 26.5V Output Voltage Range: 0.6V to 5.5V ±1.5% Total DC Output Error Differential Remote Sense Amplifier Current Mode Control/Fast Transient Response Adjustable Switching Frequency Overcurrent Foldback Protection Multiphase Parallel Current Sharing with Multiple LTM4628s Frequency Synchronization Internal Temperature Sensing Diode Output Selectable Burst Mode® Operation Soft-Start/Voltage Tracking Output Overvoltage Protection Small Surface Mount Footprint, Low Profile 15mm × 15mm × 4.32mm LGA and 15mm × 15mm × 4.92mm BGA Packages

Dual 18A or Single 36A DC/DC Module (Power Module) Regulator Features: Dual 18A or Single 36A Output Wide Input Voltage Range: 4.5V to 15V Output Voltage Range: 0.6V to 1.8V ±1.5% Maximum Total DC Output Error Over Line, Load and Temperature Differential Remote Sense Amplifier Current Mode Control/Fast Transient Response Adjustable Switching Frequency Overcurrent Foldback Protection Multiphase Parallel Current Sharing with Multiple LTM4630s Up to 144A Frequency Synchronization Internal Temperature Monitor Pin Compatible with the LTM4620 and LTM4620A (Dual 13A, Single 26A) and LTM4628 (Dual 8A, Single 16A) Selectable Burst Mode® Operation Soft-Start/Voltage Tracking Output Overvoltage Protection 16mm × 16mm × 4.41mm LGA and 16mm × 16mm × 5.01mm BGA Packages

Dual 18A or Single 36A Module (Power Module) Regulator with 0.8% DC and 3% Transient Accuracy Features:±0.8% Maximum Total DC Output Error Over Line, Load and Temperature (LTM4630-1A)±3% Transient Output Error with Minimum Output CapacitanceDual 18A or Single 36A Output4.5V to 15V Input, 0.6V to 1.8V Output Voltage RangeDifferential Remote Sense AmplifierCurrent Mode Control/Fast Transient ResponseCurrent Sharing Up to 144A16mm × 16mm × 5.01mm BGA Package

Ultrathin Dual 10A or Single 20A DC/DC Module Regulator Features:Dual 10A or Single 20A OutputInput Voltage Range: 4.5V to 15VOutput Voltage Range: 0.6V to 1.8V±1.5% Maximum Total DC Output Error Over Line, Load and TemperatureDifferential Remote Sense AmplifierCurrent Mode Control/Fast Transient ResponseAdjustable Switching FrequencyOvercurrent Foldback ProtectionMultiphase Parallel Current Sharing with Multiple LTM4631sFrequency SynchronizationInternal Temperature MonitorSelectable Burst Mode® OperationSoft-Start/Voltage TrackingOutput Overvoltage ProtectionUltrathin 16mm × 16mm × 1.91mm LGA and 16mm x 16mm x 2.51mm BGA Packages

Ultrathin Dual 10A or Single 20A DC/DC Module Regulator Features:Dual 10A or Single 20A OutputInput Voltage Range: 4.5V to 15VOutput Voltage Range: 0.6V to 1.8V±1.5% Maximum Total DC Output Error Over Line, Load and TemperatureDifferential Remote Sense AmplifierCurrent Mode Control/Fast Transient ResponseAdjustable Switching FrequencyOvercurrent Foldback ProtectionMultiphase Parallel Current Sharing with Multiple LTM4631sFrequency SynchronizationInternal Temperature MonitorSelectable Burst Mode® OperationSoft-Start/Voltage TrackingOutput Overvoltage ProtectionUltrathin 16mm × 16mm × 1.91mm LGA and 16mm x 16mm x 2.51mm BGA Packages

Ultrathin, Triple Output, Step-Down Module Regulator for DDR-QDR4 Memory Features: Complete DDR-QDR4 SRAM Power Solution Including VDDQ, VTT, VTTR (or VREF) Solution in 0.5cm2 (Dual-Sided PCB) Wide Input Voltage Range: 3.6V to 15V 3.3V Input Compatible with VIN Tied to INTVCC 0.6V to 2.5V Output Voltage Range Dual ±3A DC Output Current with Sink and Source Capability ±1.5%, ±10mA Buffered VTTR = VDDQ/2 Output 3A VDDQ + 3A VTT or Dual Phase Single 6A VTT ±1.5% Maximum Total Output Voltage Regulation Error Over Load, Line and Temperature Current Mode Control, Fast Transient Response External Frequency Synchronization Multiphase Parallelable with Current Sharing Selectable Burst Mode® Operation Overvoltage Input and Overtemperature Protection Power Good Indicator Ultrathin 6.25mm × 6.25mm × 1.82mm LGA and 6.25mm × 6.25mm × 2.42mm BGA Packages

Triple 10A Step-Down DC/DC Module (Power Module) Regulator Features: Three Independent 10A DC Output Current Regulator Channels Input Voltage Range: 4.7V to 16V 2.375V to 16V with External 5V Bias VOUT1,2 Voltage Range: 0.8V to 1.8V VOUT3 Voltage Range: 0.8V to 5.5V ±1.5% Maximum Total DC Output Error Current Mode Control/Fast Transient Response Frequency Synchronization Output Overvoltage and Overcurrent Protection Multiphase Operation with Current Sharing on VOUT1 and VOUT2 General Purpose Temperature Monitors Soft-Start/Voltage Tracking Power Good Monitors 15mm × 15mm × 5.01mm BGA Package

Triple 10A Step-Down DC/DC Module (Power Module) Regulator Features: Three Independent 10A DC Output Current Regulator Channels Input Voltage Range: 4.7V to 16V 2.375V to 16V with External 5V Bias VOUT1,2 Voltage Range: 0.8V to 1.8V VOUT3 Voltage Range: 0.8V to 5.5V ±1.5% Maximum Total DC Output Error Current Mode Control/Fast Transient Response Frequency Synchronization Output Overvoltage and Overcurrent Protection Multiphase Operation with Current Sharing on VOUT1 and VOUT2 General Purpose Temperature Monitors Soft-Start/Voltage Tracking Power Good Monitors 15mm × 15mm × 5.01mm BGA Package

40A DC/DC Module Regulator Features: Stacked Inductor Acts as Heat Sink Wide Input Voltage Range: 4.7V to 15V 0.6V to 3.3V Output Voltage Range ±1.3% Total DC Output Voltage Error Over Line, Load and Temperature (–40°C to 125°C) Differential Remote Sense Amplifier for Precision Regulation Current Mode Control/Fast Transient Response Frequency Synchronization Parallel Current Sharing (Up to 240A) Internal or External Compensation 88% Efficiency (12VIN, 1VOUT) at 40A Overcurrent Foldback Protection 16mm × 16mm × 7.07mm BGA Package

Dual 25A or Single 50A DC/DC Module Regulator with 1% DC Accuracy Features: Dual 25A or Single 50A Output Input Voltage Range: 4.5V to 16V Output Voltage Range: 0.6V to 5.5V ±1% Maximum Total DC Output Error Over Line, Load and Temperature Higher Light Load Efficiency and Wider VOUT Range Than LTM4650-1 Differential Remote Sense Amplifier Current Mode Control/Fast Transient Response Multiphase Parallel Current Sharing Up to 300A Internal Temperature Monitor Pin Compatible with the LTM4620A (Dual 13A, Single 26A) and LTM4630A (Dual 18A, Single 36A) Adjustable Switching Frequency or Synchronization Overcurrent Foldback Protection Selectable Burst Mode® Operation, Pulse-Skipping Mode Operation Soft-Start/Voltage Tracking Output Overvoltage Protection 16mm x 16mm x 4.41mm LGA and16mm × 16mm × 5.01mm BGA Package

Dual 25A or Single 50A DC/DC Module Regulator Features: Dual 25A or Single 50A Output Input Voltage Range: 4.5V to 15V Output Voltage Range: 0.6V to 1.8V ±1.5% Maximum Total DC Output Error Over Line, Load and Temperature Differential Remote Sense Amplifier Current Mode Control/Fast Transient Response Adjustable Switching Frequency Frequency Synchronization Overcurrent Foldback Protection Multiphase Parallel Current Sharing with Multiple LTM4650s Up to 300A Internal Temperature Monitor Pin Compatible with the LTM4620 (Dual 13A, Single 26A) and LTM4630 (Dual 18A, Single 36A) Selectable Burst Mode® Operation Soft-Start/Voltage Tracking Output Overvoltage Protection 16mm × 16mm × 5.01mm BGA Package

EN55022B Compliant 58V, 24W Inverting-Output DC/DC Module Regulator Features: Complete Low EMI Switch Mode Power Supply EN55022 Class B Compliant Wide Input Voltage Range: 3.6V to 58V Up to 4A Output Current 24W Output from 12VIN to –24VOUT, PLOSS = 5W, TA = 60°C, tRISE = 60°C, 200LFM Output Voltage Range: –26.5V ≤ VOUT– ≤ –0.5V Safe Operating Area: VIN + |VOUT–| ≤ 58V ±1.67% Total DC Output Voltage Error Over Line, Load and Temperature (–40°C to 125°C) Parallel and Current Share with Multiple LTM4651s Constant-Frequency Current Mode Control Frequency Synchronization Range: 250kHz to 3MHz Power Good Indicator and Programmable Soft-Start Overcurrent/Overvoltage/Overtemperature Protection 15mm × 9mm × 5.01mm BGA Package

EN55022B Compliant 58V, 24W Inverting-Output DC/DC Module Regulator Features: Complete Low EMI Switch Mode Power Supply EN55022 Class B Compliant Wide Input Voltage Range: 3.6V to 58V Up to 4A Output Current 24W Output from 12VIN to –24VOUT, PLOSS = 5W, TA = 60°C, tRISE = 60°C, 200LFM Output Voltage Range: –26.5V ≤ VOUT– ≤ –0.5V Safe Operating Area: VIN + |VOUT–| ≤ 58V ±1.67% Total DC Output Voltage Error Over Line, Load and Temperature (–40°C to 125°C) Parallel and Current Share with Multiple LTM4651s Constant-Frequency Current Mode Control Frequency Synchronization Range: 250kHz to 3MHz Power Good Indicator and Programmable Soft-Start Overcurrent/Overvoltage/Overtemperature Protection 15mm × 9mm × 5.01mm BGA Package

60V, 300W Hybrid Step-Down Module Bus Converter Features: Input Voltage Range: 30V to 60V (65V Abs. Max.) Wide Output Voltage: 4.5V to 18V (VOUT < VIN/2) 97.3% Peak Efficiency (12VOUT at 15A, 48VIN) ±1.5% Maximum Total DC Output Error Up to 300W Output Power Scalable: Parallel LTM4660s for Higher Power Fixed Frequency Current Mode Control Phase-Lockable External Synchronization from 200kHz to 1MHz Low Start-Up Inrush Current with Flying Capacitor Voltage-Balancing Prior to DC/DC Switching Action Output Voltage Tracking with Soft-Start Short-Circuit Protection with Adjustable Retry-Timer Overcurrent and Overtemperature Protection Onboard Diode Temperature Monitor Optional External Reference Input Power Good and FAULT Indicators 16mm × 16mm × 10.34mm BGA Package

Dual 15A or Single 30A DC/DC Module Regulator Features: Dual 15A or Single 30A Output Wide Input Voltage Range: 4.5V to 20V 2.375VMIN with CPWR Bias Output Voltage Range: 0.6V to 5.5V ±1.5% Maximum Total DC Output Error Multiphase Current Sharing Differential Remote Sense Amplifier, Each Channel Current Mode Control/Fast Transient Response Up to 96% Efficiency Adjustable Switching Frequency (250kHz to 1MHz) Frequency Synchronization Overcurrent Foldback Protection Output Overvoltage Protection Internal or External Compensation Built-In Temperature Monitor Diode SnPb or RoHS Compliant Finish Thermally Enhanced (11.25mm × 15mm × 5.74mm) BGA Package Pin-Compatible with the LTM4646

30V to 58V Input, Dual 30A, Single 60A Module Regulator with Digital Power System Management Features: Complete 48V Input to Low Voltage Dual 30A Supply that Can Scale to 300A, Nonisolated Dual Analog Loops with Digital Interface for Compensation, Control and Monitoring Input Voltage Range: 30V to 58V Output Voltage Range: 0.5V to 1.2V at 30A/Channel ±3% Output Current Readback Accuracy (–20° to 125°C) 87% Efficiency for 48V to 1V at 60A, 90% at 40A ±0.5% Output Voltage Accuracy Over Temperature 400kHz PMBus-Compliant I2C Serial Interface 16mm × 16mm × 7.72mm BGA Package

54VIN Dual 25A, Single 50A Module Regulator with Digital Power System Management Features: Complete 48V Input to Low Voltage Dual 25A Supply that Can Scale to 300A Dual Analog Loops with Digital Interface for Compensation, Control and Monitoring Input Voltage Range: 30V to 58V Output Voltage Range: 0.5V to 1.5V ±3% Output Current Readback Accuracy (–20° to 125°C) 88% Efficiency for 48V to 1V at 50A ±0.5% Output Voltage Accuracy Over Temperature 400kHz PMBus-Compliant I2C Serial Interface 16mm × 16mm × 7.72mm BGA Package