MP5098

– 12V/5V, DUAL-CHANNEL E-FUSE WITH CURRENT MONITORING

MP5098 Rev. 1.0

MonolithicPower.com

5

11/2/2021

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ELECTRICAL CHARACTERISTICS

VIN1 = 12V, VIN2 = 5V, COUT1 = COUT2 = 10µF, TJ = -40°C to +125°C (6), typical values are tested at

TJ = 25°C, unless otherwise noted.

Parameter

Symbol

Condition

Min

Typ

Max

Units

Supply Current

Quiescent current

IQ_CH1

V EN is low

210

μA

IQ_CH2

V EN is low

190

μA

Shutdown current

ISD_CH1

V EN is high

15

μA

ISD_CH2

V EN is high

10

μA

Power MOSFET

On resistance

RDS(ON)_CH1

TJ = 25°C

40

50

mΩ

TJ = 125°C

65

mΩ

RDS(ON)_CH2

TJ = 25°C

40

50

mΩ

TJ = 125°C

65

mΩ

Start-up delay

tEN_DELAY_CH1

From V EN is low to IOUT1 rises up to

100mA, with 1A load resistor, SS1 is

floating

220

μs

tEN_DELAY_CH2

From V EN is low to IOUT2 rises up to

100mA, with 1A load resistor, SS2 is

floating

220

μs

Under-Voltage Lockout (UVLO) Protection and Over-Voltage Protection (OVP)

UVLO rising threshold

VUVLO_RISING

_CH1

9.6

10

10.4

V

VUVLO_ RISING

_CH2

4.25

4.35

4.45

V

UVLO falling threshold

VUVLO_FALLING_

CH1

9.1

V

VUVLO_ FALLING

_CH2

2.65

V

Output OVP threshold

VOVP_CH1

13.8

15

16

V

VOVP_CH2

5.5

5.7

5.9

V

Output OVP response

time (7)

tOVP_CH1

COUT1 = 10µF with 30

Ω load resistor,

VIN1 = 12V to 18V/10µs

2

μs

tOVP_CH2

COUT2 = 10µF with

10Ω load resistor,

VIN2 = 5V to 7V/10µs

2

μs

Current Limit (ILIMIIT)

ILIMIIT during normal

operation

ILIMIT _CH1

-10%

4

+10%

A

ILIMIT_CH2

-10%

3

+10%

A

Constant-current limit

during normal operation

ILIMIT_CC_CH1 (7)

2.5

A

ILIMIT_CC_CH2 (7)

1.3

A

ILIMIIT response time (7)

tCL_CH1

15

μs

tCL_CH2

15

μs

Secondary

ILIMIIT (7)

ILIMIT_SEC_CC_

CH1

8

A

ILIMIT_SEC_CC_

CH2

8

A