MP1583DN datasheet(2/13 Pages) MPS

2 / 13 page

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

MP1583 Rev. 3.1

www.MonolithicPower.com

6/20/2011

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

ORDERING INFORMATION

Part Number*

Package

Top Marking

Free Air Temperature (TA)

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

ABSOLUTE MAXIMUM RATINGS (1)

Supply Voltage VIN .......................–0.3V to +28V

Switch Voltage VSW ................. –1V to VIN + 0.3V

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

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

Continuous Power Dissipation

(TA = +25°C)

(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)

Input Voltage VIN ............................4.75V to 23V

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

Thermal Resistance

(4)

θJA

θJC

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

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

GND

COMP

TOP VIEW

SOIC8N/PDIP8

MP1583_PD01

EXPOSED PAD

(SOIC8N ONLY)

CONNECT TO PIN 4

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