MPQ5073

– 5.5V, 2A LOW RDSON LOAD SWITCH WITH PROGRAMMABLE CURRENT LIMIT, AEC-Q100 QUALIFIED

MPQ5073 Rev. 1.01

www.MonolithicPower.com

12

10/26/2016

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Soft Start @ Different Output Capacitance

Soft Start @ Small Capacitance

Soft Start @ Large Capacitance

Soft Start @ Very large

Capacitance

Current Limit

Current Limit

Current Limit

Figure 3: Soft Start Periods at different

output capacitance

Design Example

Some design example and are provided below.

See Table 1 and Figure 4.

Table 1

(V)

Max Load Range

(A)

Rlimit

(k

Ω)

SS cap

(nF)

SS time

(ms)

3.6

0.5

47

22

1

3.6

1

27.4

47

2.4

3.6

2

15

100

5.4

Figure 4: Typical Application Schematic

Layout Guide

PCB layout is very important to achieve stable

operation. Please follow these guidelines and

enough vias around IC to achieve better

thermal performance.

Figure 5: Recommended Layout