MP5010B datasheet(3/15 Pages) MPS

3 / 15 page

MP5010B – 3V-18V, 1A-5A PROGRAMMABLE CURRENT LIMIT SWITCH

MP5010B Rev. 1.0

www.MonolithicPower.com

4/3/2013

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

ELECTRICAL CHARACTERISTICS

VCC = 5V, RLIMIT=22Ω, Capacitive Load= 10μF, TA=25°C, unless otherwise noted.

Parameters

Symbol

Condition

Min

Typ

Max

Units

Power FET

Delay Time

τDLY

Enabling of chip to

ID=40mA with a 5Ω

resistive load

μs

TJ=25°C

ON Resistance

RDSon

TJ=85°C

(5)

mΩ

OFF-State Output Voltage

VOFF

VCC=18V, VEN=0V,

RL=500Ω

120

0.5 in

2 pad, T

A=25°C

4.2

Continuous Current

minimum copper, TA=80°C

2.3

Thermal Latch

Shutdown Temperature

(5)

TSD

175

°C

Under/Over-Voltage Protection

Output Clamp Voltage

VCLAMP

Over-Voltage Protection

VCC=8V

5.5

5.7

5.9

Under-Voltage Lockout

VUVLO

Rising Edge

2.65

2.8

2.9

Under-Voltage Lockout (UVLO)

Hysteresis

VHYST

0.15

Current Limit

(6) (For Direct Current-Sense, refer to typical application in Figure 5)

Hold Current

ILIM-SS

0Ω Short Resistance,

RLIM=22Ω

2.2

2.8

3.4

Trip Current

ILIM-OL

RLIM=22Ω

4.3

Current Limit

(6) (For Kelvin Sense, refer to typical application in Figure 4)

Hold Current

ILIM-SS

0Ω Short Resistance,

RLIM=22Ω

0.77

1.10

1.43

Trip Current

ILIM-OL

RLIM=22Ω

2.18

dv/dt Circuit

Rise Time

(7)

τr

Cdv/dt =1nF

Enable/Fault

Low-Level Input Voltage

VIL

Output Disabled

0.5

Intermediate-Level Input Voltage

VI (INT)

Thermal Fault, Output

Disabled

0.82

1.4

1.95

High-Level Input Voltage

VIH

Output Enabled

2.5

HIGH-State Maximum Voltage

VI (MAX)

4.95

Pull-Up Current (Source)

IIL

VENABLE=0V

μA

Maximum Fanout for Fault Signal

Maximum number of chips

for simultaneous shutdown

Units

Maximum Voltage on EN

(8)

VMAX

VCC

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