MPQ8623GD datasheet(4/20 Pages) MPS

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MPQ8623 – 16V, 6A, HIGH EFFICIENCY SYNC STEP-DOWN CONVERTER W/ ADJUSTABLE CURRENT LIMIT

MPQ8623 Rev. 1.01

www.MonolithicPower.com

10/2/2018

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

ABSOLUTE MAXIMUM RATINGS (1)

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

VSW(DC)................................. -0.3V to VIN + 0.3V

VSW (25ns) (2) ..................................... -3V to 25V

VSW (25ns)......................................... -5V to 25V

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

VCC, EN ................................................... 4.5V

All other pins................................. -0.3V to 4.3V

Junction temperature ............................... 170°C

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

Storage temperature................ -65°C to +170°C

Recommended Operating Conditions

(3)

Supply voltage (VIN).......................... 4V to 16V

VIN(DC) - VSW(DC) (4)................. -0.3V to VIN + 0.3V

VSW(DC) (5) ............................. -0.3V to VIN + 0.3V

Output voltage (VOUT)........................ 0.9V to 6V

External VCC bias (VCC_EXT) ......... 3.12V to 3.6V

Maximum output current (IOUT_MAX) .................6A

Maximum output current limit (IOC_MAX) ...........8A

Maximum peak inductor current (IL_PEAK) ......10A

EN voltage (VEN) .........................................3.6V

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

Thermal Resistance

(6)

θJB θJC_TOP

QNF-14 (2mmx3mm) ...........6.8..... 17.4 ... °C/W

NOTES:

1) Exceeding these ratings may damage the device.

2) Measured by using a differential oscilloscope probe.

3) The device is not guaranteed to function outside of its operating

conditions.

4) The voltage rating can be in the range of -5V to 24V for a period

of 25ns or less with a maximum repetition rate of 2MHz when

the input voltage is 16V.

5) The voltage rating can be in the range of -3V to 24V for a period

of 25ns or less with a maximum repetition rate of 2MHz when

the input voltage is 16V.

JB is the thermal resistance from the junction to the board

around the PGND soldering point.

JC_TOP is the thermal resistance from the junction to the top of

the package.

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