MP8770 datasheet(3/23 Pages) MPS

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MP8770

– 17V, 8A, SYNCHRONOUS, STEP-DOWN CONVERTER

MP8770 Rev. 1.0

www.MonolithicPower.com

1/4/2018

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)

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

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

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

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

Recommended Operating Conditions

(3)

Supply voltage (VIN) .........................4.5V to 17V

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)

EV8770-Q-00A ...................... 38....... 10 ... °C/W

JESD51-7

(4).......................... 50....... 12... °C/W

NOTES:

Exceeding these ratings may damage the device.

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 on

EV8770-Q-00A board 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.

The device is not guaranteed to function outside of its operating

conditions.

Measured on JESD51-7, 4-layer PCB.

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