MP21148 datasheet(2/14 Pages) MPS

2 / 14 page

MP21148 – 1A, SYNCHRONOUS, STEP-DOWN CONVERTER WITH CCM

MP21148 Rev. 1.1

www.MonolithicPower.com

2/16/2017

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

ORDERING INFORMATION

Part Number

Package

Top Marking

VOUT Range

MP21148GQD*

QFN-6 (1mmx1.5mm)

See Below

Adjustable

* For Tape & Reel, add suffix

–Z (e.g. MP21148GQD–Z)

TOP MARKING

ET: Product code of MP21148GQD

LL: Lot number

PACKAGE REFERENCE

TOP VIEW

VIN

GND

OUT

ABSOLUTE MAXIMUM RATINGS

(1)

Supply voltage (VIN) .......................................6V

VSW………………………-0.3V (-5V for <10ns) to

6V (8V for <10ns or 10V for <3ns)

All other pins.................................... -0.3V to 6V

Junction temperature ............................... 150°C

Lead temperature .................................... 260°C

Continuous power dissipation (TA = +25°C)

(2)

……….….. .................................................0.6W

Storage temperature................ -65°C to +150°C

Recommended Operating Conditions

(3)

Supply voltage (VIN) ....................... 2.3V to 5.5V

Operating junction temp. (TJ). .. -40°C to +125°C

Thermal Resistance

(4)

QFN-6 (1mmx1.5mm)............ 220.....110...°C/W

NOTES:

1) Exceeding these ratings may damage the device.

2) The maximum allowable power dissipation is a function of the

maximum junction temperature TJ (MAX), the junction-to-

ambient thermal

resistance θ

JA, and the ambient temperature

TA. The maximum allowable continuous power dissipation at

any ambient temperature is calculated by PD (MAX) = (TJ

(MAX)-TA)/θJA. Exceeding the maximum allowable power

dissipation produces an excessive die temperature, causing

the regulator to go into thermal shutdown. Internal thermal

shutdown circuitry protects the device from permanent

damage.

3) The device is not guaranteed to function outside of its

operating conditions.

4) Measured on JESD51-7, 4-layer PCB.

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