MP5003 datasheet(5/13 Pages) MPS

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

MP5003 Rev. 0.921

www.MonolithicPower.com

2/29/2012

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

TYPICAL PERFORMANCE CHARACTERISTICS

VIN=3.3V, VEN=3.3V, RLIMIT=24Ω, COUT=10μF, Cdv/dt=1nF, TA=25°C, unless otherwise noted.

1.2

1.3

1.4

1.5

1.6

1.7

1.8

2.5

3.5

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

VEN=0V

0.75

0.8

0.85

0.9

0.95

2.5

3.5

INP UT V OL T AG E (V )

Static Drain-Source On-State

Resistance vs. Input Voltage

IOUT=1A

INPUT VOLTAGE(V)

100

120

140

0 .5

1 .5

2 .5

2.3

2.4

2.5

2.6

2.7

2.8

2.5

3.5

1.4

1.5

1.6

1.7

1.8

2.5

3.5

Current Limit Response

vs. Peak Current

No Cout

PEAK CURRENT(A)

Trip and Hold Current

vs. RLIMIT

80 100 120

Trip Current

Hold Current

VIN=3V

VIN=3.3V

VIN=3.6V

VIN=3.9V

2.5

3.5

INPUT VOLTAGE (V)

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