MP5003 – 3.3V, 1A-3A PROGRAMMABLE CURRENT LIMIT SWITCH WITH AUTO ENABLE

MP5003 Rev. 0.921

www.MonolithicPower.com

5

2/29/2012

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© 2012 MPS. All Rights Reserved.

TYPICAL PERFORMANCE CHARACTERISTICS

1.2

1.3

1.4

1.5

1.6

1.7

1.8

2.5

3

3.5

4

INP UT VOL T AG E (V)

LOAD CURRENT(A)

Supply Current,Output Enabled

vs.Input Voltage

No load, EN floating

Supply Current,Output Disabled

vs.Input Voltage

0.75

0.8

0.85

0.9

0.95

2.5

3

3.5

4

INP UT V OL T AG E (V )

Static Drain-Source On-State

Resistance vs. Input Voltage

INPUT VOLTAGE(V)

INPUT VOLTAGE(V)

0

20

40

60

80

100

120

140

0

0 .5

1

1 .5

2

2 .5

2.3

2.4

2.5

2.6

2.7

2.8

2.5

3

3.5

4

1.4

1.5

1.6

1.7

1.8

2.5

3

3.5

4

Current Limit Response

vs. Peak Current

No Cout

4

10

16

22

28

3

8

13

18

PEAK CURRENT(A)

Trip and Hold Current

vs. RLIMIT

0

1

2

3

4

5

6

0

20

40

60

80 100 120

Trip Current

Hold Current

40

45

50

55

60

65

70

2.5

3

3.5

4

INPUT VOLTAGE (V)