MP5000A – 12V, 1A-5A PROGRAMMABLE CURRENT LIMIT SWITCH

MP5000A Rev. 1.01

www.MonolithicPower.com

4

10/16/2014

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

© 2014 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

Parameters

Symbol

Condition

Min

Typ

Max

Units

Power FET

Delay Time

(5)

Enabling

of

chip

to

load

0.4

ms

40

55

ON Resistance

(6)

52

mΩ

Off State Output Voltage

120

mV

Thermal Latch

Shutdown Temperature

(6)

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

(7)

2.3

3.6

4.9

A

Trip Current

(7)

4.7

A

dv/dt Circuit

Rise Time

Float dv/dt pin, Output rises

from 10% to 90%

0.4

0.9

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

5

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

(8)

VCC

V

Total Device

Device Operational

1

1.2

Bias Current

Thermal Shutdown

0.4

mA

Minimum Operating Voltage for

UVLO

Enable<0.5V

5

V

Notes:

5) Related to Rise Time. See description in Fault and Enable Pin Section.

6) Guaranteed by design.

7) Guaranteed by characterization Test.

8) 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.