MP2192

– 2A, SYNCHRONOUS STEP-DOWN CONVERTER WITH 25µA IQ

MP2192 Rev. 1.0

MonolithicPower.com

4

5/12/2021

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© 2021 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

VIN = 3.6V, TJ = -40°C to +125°C (6), typical value is tested at TJ = 25°C. The over-temperature limit

is guaranteed by characterization, unless otherwise noted.

Parameter

Symbol

Condition

Min

Typ

Max

Units

VIN range

2.5

5.5

V

UVLO threshold rising

2.3

2.45

V

UVLO threshold hysteresis

135

mV

Feedback voltage

VFB

TJ = 25°C,

2.5V ≤ VIN ≤ 5.5V,

IOUT = 0.1A

594

600

606

mV

TJ = -40°C to +125°C,

IOUT = 0.1A

591

600

609

Feedback current

IFB

VFB = 0.63V

50

100

nA

P-channel MOSFET switch

on resistance

RDS(ON)_P

VIN = 5V

75

mΩ

N-channel MOSFET switch

on resistance

RDS(ON)_N

VIN = 5V

45

mΩ

Switch leakage

VEN = 0V, VIN = 6V, TJ = 25°C,

VSW = 0V and 6V

0

1

μA

P-channel MOSFET peak

current limit

2.8

3.5

4.1

A

N-channel MOSFET valley

current limit

2.5

A

ZCD

50

mA

On time

tON

VIN = 5V, VOUT = 1.2V

220

ns

VIN = 3.6V, VOUT = 1.2V

300

Switching frequency

fSW

VOUT=1.2V, IOUT=0.5A

1100

kHz

Minimum off time

tMIN-OFF

100

ns

Minimum on time (7)

tMIN-ON

60

ns

Soft-start time

tSS-ON

VOUT rising from 10% to 90%

1.1

ms

EN turn-on delay

EN on to SW active

220

μs

EN input logic low voltage

0.4

V

EN input logic high voltage

1.2

V

Output discharge resistor

RDIS

VEN = 0V, VOUT = 1.2V

13

Ω

EN input current

VEN = 2V

1.2

μA

VEN = 0V

0

μA

Supply current (shutdown)

VEN = 0V, TJ = 25°C

0

1

μA

Supply current (quiescent)

Adjustable version

VEN = 2V, VFB = 0.63V,

VIN = 5V, TJ = 25°C

25

30

μA

Output over-voltage

threshold

VOVP

112%

117%

122%

VFB

VOUT OVP hysteresis

VOVP_HYS

13%

VFB

OVP delay

12

µs