MP2148 datasheet(4/20 Pages) MPS

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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.

PACKAGE REFERENCE

TOP VIEW

MP2148GQD

MP2148GQD-12 MP2148GQD-15

MP2148GQD-18 MP2148GQD-25

MP2148GQD-33

QFN-6 (1.0mmx1.5mm)

ABSOLUTE MAXIMUM RATINGS (1)

Supply Voltage VIN ........................................6 V

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)

θJA

θJC

QFN-6 (1mm x1.5mm)…………

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 θJA, 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 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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