MP8903 datasheet(2/10 Pages) MPS

2 / 10 page

MP8903 – LOW DROPOUT, 150mA LINEAR REGULATOR

MP8903 Rev. 1.11

www.MonolithicPower.com

4/4/2011

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

ORDERING INFORMATION

Part Number

Package

Top Marking

Free Air Temperature (TA)

MP8903DG–2.5*

QFN8 (2x2mm)

–40

°C to +85°C

MP8903DG–2.85

MP8903DG–3.3

MP8903DJ–2.5

TSOT23-5

MP8903DJ–2.85

MP8903DJ–3.3

* For Tape & Reel, add suffix –Z (e.g. MP8903DG–2.85–Z);

For RoHS Compliant Packaging, add suffix –LF (e.g. MP8903DG–2.85–Z)

PACKAGE REFERENCE

TOP VIEW

GND

OUT

TOP VIEW

GND

OUT

QFN8 (2x2mm)

TSOT23-5

ABSOLUTE MAXIMUM RATINGS (1)

IN Supply Voltage .......................–0.3V to +7.0V

FB Voltage .........................–0.3V to VOUT + 0.3V

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

Continuous Power Dissipation

(TA = +25°C)

(2)

TSOT23-5 ................................................ 0.57W

QFN8 (2x2mm) .......................................... 1.6W

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

°C

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

°C

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

°C

Recommended Operating Conditions

(3)

Input Voltage...................................2.7V to 6.5V

Output Voltage.................................1.25V to 5V

Load Current...........................150mA Maximum

Operating Temperature............. –40

°C to +85°C

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

Thermal Resistance

(4)

θJA

θJC

TSOT23-5.............................. 220 .... 110..

°C/W

QFN8 (2x2mm)....................... 80 ...... 16...

°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 board.

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