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DC/DC µModule Family

Onboard Inductor, MOSFETs, DC/DC Controller and Compensation Circuit

Linear Tech ImageThese high-end point-of-load (POL) µModule regulators are complete solutions containing the DC/DC controller, MOSFETs, inductor, input and output bypass capacitors and compensation circuitry in only 2.25cm2. Encapsulated in a 15mm x 15mm x 2.8mm LGA, the innovative packaging protects the solution from the corrosive effects of the outside environment and thermal enhancement provides a highly efficient heat removal mechanism. Resembling the size, form-factor and simplicity of a surface-mount IC, designing with this family of µModule POL solution requires no knowledge in switchmode power supplies, greatly simplifying the task of a digital circuit designer. Despite their small size, these µModule DC/DC regulators are capable of converting a wide range of input supplies from 2.3V to 28V to output voltages as low as 0.6V from 4A to 12A and higher.

LTM4600 & LTM4602   Linear Technology's first µModule, the LTM4600, is a 10A µModule DC/DC intended for POL solution requiring simpler features. The LTM4602 is rated for 6A and has the same features, footprint and layout as the LTM4600. Each device is offered in two voltage options of 4.5V to 20V or 4.5V to 28V. They are rated for operation from -40°C to 85°C.
LTM4600 Datasheet      LTM4600HV Datasheet      LTM4602 Datasheet
Linear Tech
Part Number
VIN
Min
VIN
Max
VOUT
Min
VOUT
Max
Output
Current (A)
Supply
Current (mA)
Remote Current
Sense Amp
Tracking Temp
Range
Package
 LTM4600EV#PBF 4.5 20 0.6 5 10 1.2 No No -0 to 70°C 104-LGA
 LTM4600IV#PBF 4.5 20 0.6 5 10 1.2 No No -40 to 85°C 104-LGA
 LTM4600HVEV#PBF 4.5 28 0.6 5 10 1.2 No No -0 to 70°C 104-LGA
 LTM4600HVIV#PBF 4.5 28 0.6 5 10 1.2 No No -40 to 85°C 104-LGA
 LTM4602EV#PBF 4.5 20 0.6 5 6 1.2 No No -0 to 70°C 104-LGA
 LTM4602IV#PBF 4.5 20 0.6 5 6 1.2 No No -40 to 85°C 104-LGA
 LTM4602HVEV#PBF 4.5 28 0.6 5 6 1.2 No No -0 to 70°C 104-LGA
 LTM4602HVIV#PBF 4.5 28 0.6 5 6 1.2 No No -40 to 85°C 104-LGA

LTM4601 & LTM4603   The LTM4601 is a full-featured 12A output µModule DC/DC solution. It includes PLL, remote sensing, and output voltage tracking and margining. The LTM4603 is rated for 6A and has the same features, footprint and layout as the LTM4601. Each device is offered in two voltage options of 4.5V to 20V or 4.5V to 28V. They allow current sharing by paralleling the outputs of multiple devices for higher load current. They are rated for operation from -40°C to 85°C.
 LTM4601(-1) Datasheet      LTM4603(-1) Datasheet      LTM4603HV Datasheet
Linear Tech
Part Number
VIN
Min
VIN
Max
VOUT
Min
VOUT
Max
Output
Current (A)
Supply
Current (mA)
Remote Current
Sense Amp
Tracking Temp
Range
Package
 LTM4601EV#PBF 4.5 20 0.6 5 12 3.8 Yes Yes -0 to 70°C 118-LGA
 LTM4601EV-1#PBF 4.5 20 0.6 5 12 3.8 No Yes -0 to 70°C 118-LGA
 LTM4601IV#PBF 4.5 20 0.6 5 12 3.8 Yes Yes -40 to 85°C 118-LGA
 LTM4601IV-1#PBF 4.5 20 0.6 5 12 3.8 No Yes -40 to 85°C 118-LGA
 LTM4601HVEV#PBF 4.5 28 0.6 5 12 3.8 Yes Yes -0 to 70°C 118-LGA
 LTM4601HVIV#PBF 4.5 28 0.6 5 12 3.8 Yes Yes -40 to 85°C 118-LGA
 LTM4603EV#PBF 4.5 20 0.6 5 6 3.8 Yes Yes -0 to 70°C 118-LGA
 LTM4603EV-1#PBF 4.5 20 0.6 5 6 3.8 No Yes -0 to 70°C 118-LGA
 LTM4603IV#PBF 4.5 20 0.6 5 6 3.8 Yes Yes -40 to 85°C 118-LGA
 LTM4603IV-1#PBF 4.5 20 0.6 5 6 3.8 No Yes -40 to 85°C 118-LGA
 LTM4603HVEV#PBF 4.5 28 0.6 5 6 25 Yes Yes -0 to 70°C 118-LGA
 LTM4603HVIV#PBF 4.5 28 0.6 5 6 25 Yes Yes -40 to 85°C 118-LGA

LTM4604   The LTM4604 is the latest device in the LTM4600 family, and is a complete 4A regulator system in a 9mm x 15mm LGA package. The device operates from an input supply range of 2.35V to 5.5V, regulates an output voltage from 0.8V to 5V, and achieves 93% efficiency when converting a 3.3V input to 2.5V output at up to 4A.    LTM4604 Datasheet
Linear Tech
Part Number
VIN
Min
VIN
Max
VOUT
Min
VOUT
Max
Output
Current (A)
Supply
Current (mA)
Remote Current
Sense Amp
Tracking Temp
Range
Package
 LTM4604EV#PBF 2.3 5.5 0.8 5 4 35 No Yes -0 to 70°C 66-LGA


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