MPM3834C – 6V, 3A, ULTRA-SMALL STEP-DOWN POWER MODULE

MPM3834C Rev. 1.01

MonolithicPower.com

4

6/14/2022

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© 2022 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

VIN = 3.6V, TJ = -40°C to +125°C (8), 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

Feedback voltage

VFB

2.75

V ≤ VIN ≤ 6V

591

600

609

mV

Feedback current

IFB

VFB = 0.6V

10

nA

Inductor value

L

Inductance value at 1MHz

0.47

μH

Dropout resistance

RDR

100% on duty

75

mΩ

Switch leakage

VEN = 0V, VIN = 6V, VSW = 0V and

6V, TJ = 25°C

0

2

μA

P-channel MOSFET peak

current limit

TJ = 25°C

5

6

A

N-channel MOSFET valley

current limit (8)

3.6

A

On time

tON

VIN = 5V, VOUT = 1.2V

185

ns

VIN = 3.6V, VOUT = 1.2V

250

Switching frequency

fSW

VOUT = 1.2V, ILOAD = 1A

1250

kHz

Minimum off time (9)

tMIN-OFF

100

ns

Minimum on time (9)

tMIN-ON

80

ns

Soft-start time (9)

tSS-ON

1.7

ms

Soft-stop time

tSS-OFF

2

ms

Power good upper trip

threshold

PG_OV

FB voltage in respect to the

regulation

7

%

Power good lower trip

threshold

PG_UV

-12

%

Power good delay

100

μs

Power good sink current

capability

VPG_LO

Sink 1mA

0.4

V

Power good logic high

voltage

VPG_HI

VIN = 5V, VFB = 0.6V

4

V

Power good internal pull-up

resistor

RPG

440

kΩ

Under-voltage lockout

threshold rising

2.3

2.5

2.75

V

Under-voltage lockout

threshold hysteresis

400

mV

EN input logic low voltage

0.3

V

EN input logic high voltage

1.2

V

EN input current

VEN = 2V

2

μA

VEN = 0V

0

μA

Supply current (shutdown)

VEN = 0V, TJ = 25°C

0

1

μA

Supply current (quiescent)

VEN = 2V, VFB = 0.63V, VIN = 3.6V

500

μA