LT3782EUFD Просмотр технического описания (PDF) - Linear Technology

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LT3782EUFD

2-Phase Step-UP DC/DC Controller

Linear Technology 

LT3782

APPLICATIONS INFORMATION

For best electrical performance, the LT3782 circuit should

be laid out as follows:

Place all power components in a tight area. This will

minimize the size of high current loops. Orient the input

and output capacitors and current sense resistors in a way

that minimizes the distance between the pads connected

to ground plane.

Place the LT3782 and associated components tightly to-

gether and next to the section with power components.

Use a local via to ground plane for all pads that connect to

ground. Use multiple vias for power components.

Connect the current sense inputs of LT3782 directly to the

current sense resistor pads. Connect the current sense

traces on the opposite sides of pads from the traces

carrying the MOSFETs source currents to ground. This

technique is referred to as Kelvin sensing.

3782fg

16

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