MP2229 datasheet(3/22 Pages) MPS

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MP2229 – 21V, 6A SYNCHRONOUS STEP-DOWN CONVERTER

MP2229 Rev. 1.0

www.MonolithicPower.com

2/12/2015

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

ABSOLUTE MAXIMUM RATINGS (1)

VIN ..................................................-0.3V to 24V

VSW......................................................................

-0.3V (-5V for <10ns) to 24V (28V for <10ns)

VBST ................................................... VSW + 5.5V

All Other Pins............................ -0.3V to 5.5V

(2)

Continuous Power Dissipation (TA = +25°C)

(3)

................................................................... 2.1W

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

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

Storage Temperature……………-65°C to 150°C

Recommended Operating Conditions

(4)

Supply Voltage VIN ...........................4.5V to 21V

Output Voltage VOUT................0.6V to VIN x DMAX

Operating Junction Temp. (TJ) -40°C to +125°C

Thermal Resistance

(5)

θJA

θJC

QFN-14 (3mmx3mm)

.......... 60 ...... 12... °C/W

Notes:

1) Exceeding these ratings may damage the device.

2) Please refer to the “Enable Control” section on page 12 for

the absolute maximum rating of EN.

3) 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 produces an excessive die temperature, causing

the regulator to go into thermal shutdown. Internal thermal

shutdown circuitry protects the device from permanent

damage.

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

operating conditions.

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

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