MP1583 – 3A, 23V, 385KHz STEP-DOWN CONVERTER

MP1583 Rev. 3.1

www.MonolithicPower.com

2

6/20/2011

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2011 MPS. All Rights Reserved.

ORDERING INFORMATION

Part Number*

Package

Top Marking

MP1583DN

SOIC8E

MP1583DN

–40

°C to +85°C

MP1583DP

PDIP8

MP1583DP

–40

°C to +85°C

* For Tape & Reel, add suffix –Z (e.g. MP8736DL–Z)

For RoHS compliant packaging, add suffix –LF (e.g. MP8736DL–LF–Z)

PACKAGE REFERENCE

FB, COMP and SS Pins.................–0.3V to +6V

Continuous Power Dissipation

(2)

SOIC8E...................................................... 2.5W

PDIP8 ........................................................ 1.2W

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

°C

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

°C

Storage Temperature ............. –65

°C to +150°C

Recommended Operating Conditions

(3)

Thermal Resistance

(4)

SOIC8E .................................. 50 ...... 10...

°C/W

PDIP8 .................................... 104 ..... 45...

°C/W

Notes:

1) Exceeding these ratings may damage the device.

2) The maximum allowable power dissipation is a function of the

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

BS

IN

SW

GND

SS

EN

COMP

FB

1

2

3

4

8

7

6

5

TOP VIEW

SOIC8N/PDIP8

MP1583_PD01

EXPOSED PAD

(SOIC8N ONLY)

CONNECT TO PIN 4