MP8774 datasheet(3/24 Pages) MPS

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MP8774

– 18V, 12A, SYNCHRONOUS, STEP-DOWN CONVERTER

MP8774 Rev. 1.0

www.MonolithicPower.com

1/15/2018

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

ABSOLUTE MAXIMUM RATINGS (1)

VIN .................................................-0.3V to +20V

VSW........................................ -0.3V (-5V < 10ns)

to VIN + 0.7V (23V < 10ns)

VBST ...................................................... VSW + 4V

VEN ................................................................. VIN

All other pins ...................................-0.3V to +4V

Continuous power dissipation (TA = +25°C)

(2)(4)

................................................................... 3.2W

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

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

Storage temperature .................. -65°C to 125°C

Recommended Operating Conditions

(3)

Supply voltage (VIN) ............................3V to 18V

Output voltage (VOUT) ............. 0.6V to VIN * DMAX

or 12V max

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

Thermal Resistance

θJA

θJC

QFN-16 (3mmx3mm)

EV8774-Q-00A

(4).................. 38......10 .... °C/W

JESD51-7

(5).......................... 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-

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 EV8774-Q-00A, 4-layer PCB.

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

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