MP1482DS datasheet(2/12 Pages) MPS

2 / 12 page

MP1482 – 2A, 18V SYNCHRONOUS RECTIFIED, STEP-DOWN CONVERTER

MP1482 Rev. 1.31

www.MonolithicPower.com

7/9/2012

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

ORDERING INFORMATION

Part Number

Package

Top Marking

Free Air Temperature (TA)

MP1482DS*

SOIC8

MP1482DS

-40

C to +85C

* For Tape & Reel, add suffix –Z (e.g. MP1482DS–Z);

For RoHS Compliant Packaging, add suffix –LF (e.g. MP1482DS–LF–Z)

PACKAGE REFERENCE

GND

COMP

TOP VIEW

SOIC8

ABSOLUTE MAXIMUM RATINGS

(1)

Supply Voltage VIN ........................-0.3V to +20V

Switch Node Voltage VSW ............................ 21V

Boost Voltage VBS ..........VSW – 0.3V to VSW + 6V

All Other Pins..................................-0.3V to +6V

Junction Temperature...............................150°C

Continuous Power Dissipation

(TA = +25°C)

(2)

SOIC8……………………………………….1.38W

Lead Temperature ....................................260°C

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

Recommended Operating Conditions

(3)

Input Voltage VIN ............................4.75V to 18V

Output Voltage VOUT.....................0.923V to 15V

Operating Junct. Temp (TJ)........-40°C to +125°C

Thermal Resistance

(4)

θJA

θJC

SOIC8..................................... 90 ...... 45...

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

calculated

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 JESD51-7, 4-layer board.

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