MP9141 データシートの表示（PDF） - Monolithic Power Systems

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MP9141

1.8A Step-Down DC to DC Converter

Monolithic Power Systems 

MP9141 – 1.8A STEP-DOWN DC TO DC CONVERTER

MPS CONFIDENTIAL AND PROPRIETARY INFORMATION– INTERNAL USE ONLY

ORDERING INFORMATION

Part Number*

MP9141ES

Package

SOIC8

Top Marking

MP9141ES

Temperature

–20°C to +85°C

* For Tape & Reel, add suffix –Z (eg. MP9141ES–Z).

For Lead Free, add suffix –LF (eg. MP9141ES–LF–Z)

PACKAGE REFERENCE

TOP VIEW

BS 1

IN 2

SW 3

GND 4

8 NC

7 EN

6 COMP

5 FB

MP9141_PD01-SOIC8

ABSOLUTE MAXIMUM RATINGS (1)

Input Voltage (VIN)........................ –0.3V to +22V

Switch Voltage (VSW).................. –1V to VIN + 1V

Boot Strap Voltage (VBS).VSW – 0.3V to VSW + 6V

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

Continuous Power Dissipation (TA = +25°C) (2)

……………………………………………......1.4W

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

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

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

Recommended Operating Conditions (3)

Input Voltage (VIN)..........................4.75V to 20V

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

Thermal Resistance (4) θJA θJC

SOIC8…………………………..90……42…°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.

MP9141 Rev. 1.11

www.MonolithicPower.com

2

4/18/2011

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

© 2011 MPS. All Rights Reserved.

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