MP2326GD datasheet(3/25 Pages) MPS

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MP2326 – 19V, 4A, LOW IQ STEP-DOWN CONVERTER

MP2326 Rev. 1.1

www.MonolithicPower.com

1/28/2016

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

ABSOLUTE MAXIMUM RATINGS (1)

VIN .............................................................. +21V

VSW...–0.3V (-5V<10ns) to VIN+0.3V (23V<10ns)

VBST ........................................................ VSW+6V

All Other Pins.............................. –0.3V to +6V(2)

Continuous Power Dissipation

(3)

QFN-14 (2mmx3mm) ................................. 1.8W

Junction Temperature.............................+150oC

Lead Temperature ..................................+260oC

Storage Temperature................-65oC to +150oC

Recommended Operating Conditions

(4)

Supply Voltage VIN ...........................3.9V to 19V

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

(5)

Operating Junction Temp. ....... -40°C to +125°C

Thermal Resistance

(6)

θJA

θJC

QFN-14 (2mmx3mm)…………70……15…°C/W

Notes:

1) Exceeding these ratings may damage the device

2) Please refer to the “Enable Control” section on page 15 for

the ABS MAX 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) For details about the Dmax, see the “Application when Input

Voltage is Close to Output Voltage” section on page 13 for

more information.

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

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