MP28164GD datasheet(3/20 Pages) MPS

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MP28164 – SINGLE-INDUCTOR, BUCK-BOOST CONVERTER WITH 4.2A SWITCHES

MP28164 Rev. 1.0

www.MonolithicPower.com

3/28/2016

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

ABSOLUTE MAXIMUM RATINGS (1)

VIN to GND.......................................-0.3V to 6V

SW1/2 to GND .................. -0.3V (-2V for <10ns)

to 6.5V (8.5V for <10ns)

All other pins .....................................-0.3V to 6V

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

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

Continuous power dissipation (TA = +25°C)

(2)

QFN-11 (2mmx3mm)............................... 1.78W

Storage temperature................ -65

C to +150C

Recommended Operating Conditions

(3)

Startup supply voltage (VST)............1.8V to 5.5V

Operation voltage (VIN) ...............1.2V

(4) to 5.5V

Output voltage (VOUT).........................1.5V to 5V

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

Thermal Resistance

(5)

θJA

θJC

QFN-11 (2mmx3mm) ….…..70.......15.......°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 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.

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

operating conditions.

4) If VCC is powered from a source higher than 1.8V (such as

VOUT), the MP28164 can work down to VIN = 1.2V, but the load

capability is lower when VIN = 1.2V because of the high

RDS(ON) of SWA and low current limit.

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

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