MP1472 datasheet(2/13 Pages) MPS

2 / 13 page

MP1472 – 2A, 18V SYNCHRONOUS RECTIFIED, STEP-DOWN CONVERTER

MP1472 Rev. 1.0

www.MonolithicPower.com

9/2/2011

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

ORDERING INFORMATION

Part Number

Package

Top Marking

MP1472GJ*

TSOT23-8

ACW

*For Tape & Reel, add suffix –Z (e.g. MP1472GJ–Z);

PACKAGE REFERENCE

COMP

BST

GND

TOP VIEW

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)

……………………………………………….1.25W

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

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

Thermal Resistance

(4)

θJA

θJC

TSOT23-8.............................. 100 ..... 55...

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 JESD51-7 4-layer PCB.

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