MPQ2143HGD datasheet(3/15 Pages) MPS

3 / 15 page

MPQ2143H

– 3A, 5.5V, 2.0MHz, SYNCHRONOUS STEP-DOWN SWITCHER

MPQ2143H Rev. 1.0

www.MonolithicPower.com

8/12/2016

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

ABSOLUTE MAXIMUM RATINGS (1)

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

VSW…………………………

-0.3V (-5V for <10ns) to VIN+0.3V (8V for <10ns)

All Other Pins................................ -0.3V to +6 V

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

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

Continuous Power Dissipation (TA = 25°C)

(2)

……….….. .................................................1.9W

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

Recommended Operating Conditions

(3)

Supply Voltage VIN ......................... 2.5V to 5.5V

Output Voltage VOUT.................0.6V to VIN -0.5V

Operating Junction Temp. (TJ). -40°C to +150°C

Thermal Resistance

(4)

θJA

θJC

QFN-10 (2mmx3mm) ............. 65 ...... 13... °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 will cause excessive die temperature, and the

device 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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