MP2236C

– 18V, 6A, FCCM SYNCHRONOUS STEP-DOWN CONVERTER

MP2236C Rev. 1.0

MonolithicPower.com

4

3/16/2022

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ELECTRICAL CHARACTERISTICS

VIN = 12V, TJ = -40°C to +125°C

(7), typical value is tested at TJ = 25°C, unless otherwise noted.

Parameter

Symbol

Condition

Min

Typ

Max

Units

Shutdown supply current

IIN

VEN = 0V, TJ = 25°C

1

μA

Quiescent supply current

IQ

VFB = 0.63V

550

650

μA

High-side MOSFET (HS-FET)

on resistance

RDS(ON)_HS

VBST-SW = 3.3V

25

mΩ

Low-side MOSFET (LS-FET)

on resistance

RDS(ON)_LS

12

m

Ω

Switch leakage

SWLKG

VEN = 0V, VSW = 0V, TJ = 25°C

1

μA

Low-side (LS) valley current

limit

ILIMIT_L

6

7.5

A

Switching frequency

fSW

VIN = 12V, VOUT = 3.3V

480

600

720

kHz

Minimum off time (8)

tOFF_MIN

170

ns

Minimum on time (8)

tON_MIN

70

ns

Reference voltage

VFB

TJ = 25°C

594

600

606

mV

TJ = -40°C to +125°C

591

600

609

mV

Feedback (FB) current

IFB

VFB = 0.63V

10

50

nA

Enable (EN) rising threshold

VEN_RISING

1.12

1.2

1.28

V

EN hysteresis

VEN_HYS

200

mV

EN to GND pull-down resistor

REN

VEN = 2V

2

MΩ

VIN under-voltage lockout

(UVLO) rising threshold

VIN_UVLO_RISING

2.7

2.8

2.95

V

VIN UVLO threshold

hysteresis

VIN_UVLO_HYS

300

mV

VCC regulator voltage

VCC

ICC = 5mA

3.5

V

Under-voltage protection

(UVP) threshold 1 (8)

UVPTH1

Hiccup entry

80%

VREF

Soft-start time

tSS

TJ = 25°C, VOUT from 10% to

90%

0.5

1

1.5

ms

Thermal shutdown (8)

TSD

150

°C

Thermal hysteresis (8)

TSD_HYS

20

°C

Notes:

7)

Not tested in production. Guaranteed by over-temperature correlation.

8)

Derived by sample characterization. Not tested in production .