MP8794

– 16V, 20A, SYNCHRONOUS STEP-DOWN CONVERTER

MP8794 Rev. 1.0

www.MonolithicPower.com

5

12/2/2019

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© 2019 MPS. All Rights Reserved.

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 .......................................... -0.3V to +22.3V

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

ESD Rating

Human body model (HBM) ......................2000V

Charged device model (CDM)....................750V

Recommended Operating Conditions (3)

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

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

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

Output voltage (VOUT)..................... 0.6V to 5.5V

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

Maximum output current (IOUT_MAX) ...............20A

Maximum output current limit (IOC_MAX) .........24A

Maximum peak inductor current (IL_PEAK) ......28A

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

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

Thermal Resistance

θJA

θJC

QFN-21 (3mmx4mm)

EVL8794-LE-00A (5).............29........ 4 ....... °C/W

JESD51-7 (6) ........................50....... 12 ...... °C/W

Notes:

1) Exceeding these ratings may damage the device.

2) Measured 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 -3V to +23V for a

period of 25ns or less with a maximum repetition rate of

1000kHz when the input voltage is 16V.

5) Measured on EVL8794-LE-00A, 4-layer PCB, 78mmx81mm.

6)

The value of θ

JA given in this table is only valid for comparison

with other packages and cannot be used for design purposes.

These values were calculated in accordance with JESD51-7,

and simulated on a specified JEDEC board. They do not

represent the performance obtained in an actual application.