MP5000 – 12V, 1A-5A PROGRAMMABLE CURRENT LIMIT SWITCH

MP5000 Rev. 1.41

www.MonolithicPower.com

3

9/6/2013

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ELECTRICAL CHARACTERISTICS

Parameters

Symbol

Condition

Min

Typ

Max

Units

Power FET

Delay Time

Enabling

of

chip

to

load

0.15

ms

ON Resistance

(4)

44

82

m

Ω

95

Off State Output Voltage

120

mV

Continuous Current

0.5 in

4.2

A

2.3

Thermal Latch

Shutdown Temperature

175

°C

Under/Over Voltage Protection

Output Clamping Voltage

Overvoltage Protection

13.8

15

16.2

V

Under Voltage Lockout

Turn on,

Voltage going high

7.7

8.5

9.3

V

Under Voltage Lockout (UVLO)

Hysteresis

0.80

V

Current Limit

Hold Current

(4)

2.4

3.7

5.0

A

Trip Current

5.0

A

dv/dt Circuit

Rise Time

Float dv/dt pin, Note 5

0.64

1.1

2.1

ms

Enable/Fault

Low Level Input Voltage

Output Disabled

0.5

V

Intermediate Level Input Voltage

Thermal

Fault,

Output

Disabled

0.82

1.4

1.95

V

High Level Input Voltage

Output Enabled

2.5

V

High State Maximum Voltage

4.8

V

Low Level Input Current (Sink)

-28

-50

μA

Maximum Fanout for Fault Signal

Total number of chips that

can

be

connected

for

simultaneous shutdown

3

Units

Maximum Voltage on Enable/Fault

Pin

Note 6

VCC

V

Total Device

Bias Current

Device Operational

1.5

2.0

mA

Thermal Shutdown

0.4

Minimum Operating Voltage for

UVLO

Enable<0.5V

5

V

Notes:

4) Guaranteed by design.

5) Measured from 10% to 90%.

6) Maximum Input Voltage on Enable pin to be

≤ 6.0V if Vcc ≥ 6.0V, Maximum Input Voltage on Enable pin to be Vcc if Vcc ≤ 6.0V.