MP2148 datasheet(5/20 Pages) MPS

5 / 20 page

MP2148 –1A SYNCHRONOUS STEP-DOWN CONVERTER WITH 11µA IQ IN ULTRA-SMALL 1X1.5mm QFN

MP2148 Rev. 1.11

www.MonolithicPower.com

5/25/2015

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

ELECTRICAL CHARACTERISTICS

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

is guaranteed by characterization, unless otherwise noted.

Parameter

Symbol

Condition

Min

Typ

Max

Units

Feedback Voltage

(MP2148GQD Only)

VFB

2.3V ≤ VIN ≤ 5.5V, TJ=25°C

594

600

606

TJ=-40°C to +125°C

588

612

Fixed Output Voltage

(7)

Only for MP2148GQD-

12, IOUT=10mA,

TJ=+25°C

1.188

1.2

1.212

Only for MP2148GQD-

12, IOUT=10mA,

TJ=-40°C to +125°C

1.176

1.2

1.224

Only for MP2148GQD-

15, IOUT=10mA,

TJ=+25°C

1.485

1.5

1.515

Only for MP2148GQD-

15, IOUT=10mA,

TJ=-40°C to +125°C

1.470

1.5

1.530

Only for MP2148GQD-

18, IOUT=10mA,

TJ=+25°C

1.782

1.8

1.818

Only for MP2148GQD-

18, IOUT=10mA,

TJ=-40°C to +125°C

1.764

1.8

1.836

Only for MP2148GQD-

25, IOUT=10mA,

TJ=+25°C

2.475

2.5

2.525

Only for MP2148GQD-

25, IOUT=10mA,

TJ=-40°C to +125°C

2.450

2.5

2.550

Only for MP2148GQD-

33, IOUT=10mA,

TJ=+25°C

3.267

3.3

3.333

Only for MP2148GQD-

33, IOUT=10mA,

TJ=-40°C to +125°C

3.234

3.3

3.366

Feedback Current

(MP2148GQD only)

IFB

VFB = 0.63V

100

PFET Switch On Resistance

RDSON P

120

mΩ

NFET Switch On Resistance

RDSON N

mΩ

Switch Leakage Current

VEN = 0V, TJ=25°C

μA

PFET Peak Current Limit

Sourcing

1.8

2.4

NFET Valley Current Limit

Sourcing, valley current

limit

1.5

ZCD

On Time

(MP2148GQD only)

TON

VIN=5V, VOUT=1.2V

110

VIN=3.6V, VOUT=1.2V

150

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