MP5048

– 60V, 15A, 7mΩ RDS(ON) HOT-SWAP INTELLI-FUSE SOLUTION

MP5048 Rev. 1.1

www.MonolithicPower.com

6

4/30/2021

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© 2021 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

VIN = 48V, RCS = 3.6kΩ, COUT = 1000μF, TJ = 25°C, unless otherwise noted.

Parameters

Symbol

Condition

Min

Typ

Max

Units

Supply Current

Quiescent current

IQ

ON = high, no load

2.2

3

mA

ON = 0, VIN = 48V

1.6

2.4

mA

VCC Regulator and UVLO

VCC regulator

VCC

4.45

4.6

4.75

V

VCC load regulation

ICC = 10mA

5

%

VCC under-voltage lockout

rising threshold

VCCVTH

3.5

3.65

3.8

V

VCC under-voltage lockout

threshold hysteresis

VCCHYS

380

mV

3V regulator

V3V

2.9

3

3.1

VIN Under-Voltage/Over-Voltage Protection (UVP, OVP)

VIN under-voltage

protection rising

VINUVR

VCC = 5V

5.25

V

VIN under-voltage

protection falling

VINUVF

VCC = 5V

5

V

VIN OV fault threshold

VINOVP

ON = 0V

64

V

VIN OV hysterisis

VINIOV_HYS

2

V

Power FET

On resistance

RDS(ON)

TJ = 25°C

7

m

Ω

TJ = 85°C (5)

9

Off state leakage current

IOFF

ON = 0V

5

μA

Maximum continuous

current (5)

IOUT_MAX

15

A

Thermal Shutdown and Recovery

Shutdown temperature (5)

tSTD

153

°C

Hysteresis (5)

tHYS

Auto-retry mode only

26

°C

CLREF

Internal current source

ICLREF

26

µA

Soft-start current limit

SSLIMIT

8

µA

CS

CS gain accuarcy

1A ≤ IOUT ≤ 15A

-2.5

+2.5

%

CS gain

25

µA/A

Soft Start

SS pull-up current

ISS

VIN = 48V

11.5

μA

Current Limit

Primary current limit during

normal operation

ILIMIT_PRIM

RCS = 3.6

kΩ, RCLREF = 53.6kΩ

15.5

A

Primary current limit

response time (5)

tCL_PRIM

ILIMIT = 15A

20

μs

Secondary current limit (5)

ILIMIT_SCD

Regardless of RCS

26

A

Short-circuit protection

response time (5)

tSC

200

ns

Output Current Monitor

IIMON/IOUT gain

AIMON

25

μA/A

IIMON/IOUT gain accuracy

AIMON_ACCR

1A ≤ IOUT ≤ 15A

-1.5

+1.5

%