MPQ2128 datasheet(2/7 Pages) MPS

2 / 7 page

MPQ2128 – 3MHz, 1A, SYNCHRONOUS, STEP-DOWN CONVERTER

MPQ2128 Rev. 1.1

www.MonolithicPower.com

4/1/2013

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

ORDERING INFORMATION

Part Number*

Package

Top Marking

MPQ2128DG

QFN8 (2mm×2mm)

MPQ2128DG-AEC1*

QFN8 (2mm×2mm)

* For Tape & Reel, add suffix –Z (eg. MPQ2128DG-Z).

For RoHS compliant packaging, add suffix –LF (e.g. MPQ2128DG-LF–Z)

PACKAGE REFERENCE

QFN8

ABSOLUTE MAXIMUM RATINGS

(1)

IN to GND ..................................–0.3V to +6.5V

SW to GND.......................... –0.3V to VIN + 0.3V

FB, EN to GND.............................–0.3V to +6.5V

Continuous Power Dissipation. (TA = +25°C)

(2)

QFN8 (2mm×2mm)....................................2.5W

Junction Temperature .............................. 150°C

Lead Temperature ................................... 260°C

Storage Temperature.............. –65°C to +150°C

Recommended Operating Conditions

(3)

Supply Voltage VIN ............................ 2.5V to 6V

Output Voltage VOUT.......................... 0.6V to 6V

Operating Junction Temp........ –40°C to +125°C

Thermal Resistance

(4)

θJA

θJC

QFN8 (2mmx2mm)................. 50 ...... 12... °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-

ambie

nt 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

)/θ

JA.

Exceeding the maximum allowable power

dissipation will cause excessive die temperature, and the

regulator will 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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