MP5403B datasheet(4/23 Pages) MPS

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MP5403B

– DUAL BUCK AND ONE LOAD SWITCH PMIC

MP5403B Rev. 1.0

www.MonolithicPower.com

12/5/2017

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

ABSOLUTE MAXIMUM RATINGS (1)

Supply voltage (VIN1/2/3) ............................... 6.5V

VSW1/2................................. -0.3V (-5V for <10ns)

to 6.5V (10V for <10ns)

All other pins ..................................-0.3V to 6.5V

Continuous power dissipation (TA = +25°C)

........................................................... 3.5W

(2)(4)

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

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

Storage temperature ................ -65°C to +150°C

Recommended Operating Conditions (3)

Supply voltage (VIN1) ..........................2.7V to 6V

Supply voltage (VIN2) (if VIN1 > UVLO) .................

........................................................... 2.0V to 6V

Supply voltage (VIN3) (if VIN1 > UVLO)

........................................................... 0.5V to 6V

Supply voltage (VIN3) (If VIN1 < UVLO)

........................................................... 2.7V to 6V

Output voltage (VOUT1/2).................. 0.6V to VIN1/2

Output voltage (VOUT3)...................................VIN3

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

Thermal Resistance

θJA

θJC

UTQFN-20 (2.5mmx3mm)

EV5403-QB-02A

(4) ............... 35........ 7.... °C/W

JESD51-7

(5).......................... 60....... 13... °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 EV5403-QB-02A, 4-layer PCB.

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

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