MP5010B – 3V-16V, 3A PROGRAMMABLE CURRENT LIMIT SWITCH

MP5010B Rev. 1.0

www.MonolithicPower.com

13

4/3/2013

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PCB Layout

PCB layout is very important to achieve stable

operation. Please follow these guidelines and

use Figure 3 as reference.

pin.

• Leave the N/C pin floating.

• Place vias in the thermal pad and provide

Source pin for thermal dissipation.

SOURCE

EN/ FAULT

dv/dt

5

4

3

2

1

6

7

8

9

10

I_LIMIT

N/C

GND

GND

VIN

VOUT

C3

SOURCE

SOURCE

SOURCE

SOURCE

EN/ FAULT

VIN

Top Layer

VIN

Bottom Layer

Figure 3: PCB Layout

Design Example

Below is a direct-current-sensing design example

following the application guidelines for the given

specifications:

Table 5: Design Example

5V

Trip Current

4.3A

Hold Current

2.8A

Figure 5 shows the application schematic. The

Typical Performance Characteristics section

shows the circuit waveforms. For more device

applications,

please

refer

to

the

related

Evaluation Board Datasheet.