MP4566 datasheet(2/14 Pages) MPS

2 / 14 page

MP4566―36V, 1MHz, 0.6A, STEP-DOWN CONVERTER WITH 35μA QUIESCENT CURRENT

MP4566 Rev. 1.01

ww.MonolithicPower.com

9/22/2011

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

ORDERING INFORMATION

Part Number

Package

Top Marking

Free Air Temperature (TA)

MP4566DD

QFN8 (2mmx3mm)

MP4566DD

-40

°C to +85°C

* For Tape & Reel, add suffix –Z (eg. MP4566DD–Z);

For RoHS, compliant packaging, add suffix –LF (eg. MP4566DD–LF–Z).

PACKAGE REFERENCE

ABSOLUTE MAXIMUM RATINGS (1)

Supply Voltage (VIN)........................-0.3V to 40V

Switch Voltage (VSW)...............-0.3V to VIN+0.3V

BST to SW ....................................... -0.3 to 5.0V

All Other Pins.................................-0.3V to 5.0V

Continuous Power Dissipation (TA = +25°C)

(2)

............................................................. 1.6W

Junction Temperature...............................150

°C

Lead Temperature ....................................260

°C

Storage Temperature................. -65°C to 150

°C

Recommended Operating Conditions

(3)

Supply Voltage VIN ...........................4.5V to 36V

Output Voltage VOUT.................+1.0V to 0.8*VIN

Maximum Junction Temp. (TJ) ................+125°C

Thermal Resistance

(4)

θJA

θJC

QFN8(2mmx3mm).................. 80 ...... 16...

°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 will cause excessive die temperature, and the

regulator will 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 approximately 1” square of 1 oz copper.

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