MP5002 – 3.3V, 1A-3A PROGRAMMABLE CURRENT LIMIT SWITCH

MP5002 Rev. 0.93

www.MonolithicPower.com

3

10/15/2010

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ELECTRICAL CHARACTERISTICS

Parameters

Symbol

Condition

Min

Typ

Max

Units

Power FET

Delay Time

Enabling of chip to

resistive load

0.2

ms

44

82

ON Resistance

(4)

95

mΩ

Off State Output Voltage

120

mV

Thermal Latch

Shutdown Temperature

175

°C

Under/Over Voltage Protection

Output Clamping Voltage

Overvoltage Protection

4

4.5

5.0

V

Under Voltage Lockout

Turn on,

Voltage going high

2.15

2.35

2.5

V

Under Voltage Lockout (UVLO)

Hysteresis

100

mV

Current Limit

Short Circuit Current Limit

(4)

(Hold Current)

1.2

1.55

1.9

A

Trip Current

2.5

A

dv/dt Circuit

Rise Time

Float dv/dt pin, Note 5

0.64

1.1

2.0

ms

Enable/Fault

Low Level Input Voltage

Output Disabled

0.5

V

Intermediate Level Input Voltage

Thermal Fault, Output

Disabled

0.8

1.4

2.0

V

High Level Input Voltage

Output Enabled

2.5

V

High State Maximum Voltage

3.25

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 Pin

Note 6

V

Total Device

Device Operational

1.5

2.0

Bias Current

Thermal Shutdown

0.9

mA

Minimum Operating Voltage for

UVLO

Enable<0.5V

2.0

V

Notes:

4) Guaranteed by design.

5) Measured from 10% to 90%.