MP2498DV datasheet(2/16 Pages) MPS

2 / 16 page

MP2498 –INTEGRATED 100V LOAD DUMP PROTECTION, 2A STEP-DOWN REGULATOR

MP2498 Rev. 1.0

www.MonolithicPower.com

8/7/2012

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

ORDERING INFORMATION

Part Number*

Package

Top Marking

MP2498DV

QFN28 (4mm x 5mm)

2498DV

* For Tape & Reel, add suffix –Z (e.g. MP2498DV–Z).

For RoHS compliant packaging, add suffix –LF (e.g. MP2498DV–LF–Z)

PACKAGE REFERENCE

TOP VIEW

121314

AGND

GND

COMP

BST

N/C

CTR

N/C

VDD

N/C

FREQ

ABSOLUTE MAXIMUM RATINGS (1)

Supply Voltage (VIN)................................... 100V

IN to CTR......................................-0.3V to 100V

VDD to CTR....................................-0.3V to 45V

VDD ............................................................. 60V

VSW.............................................. -0.3V to VDD

VBST .............................................. VSW + 6.5V

All Other Pins....................................-0.3V to 5V

Continuous Power Dissipation (TA = +25°C)

(2)

............................................................. 2.5W

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

°C

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

°C

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

°C

Recommended Operating Conditions (3)

Input Voltage .....................................6.5V - 30V

Surge Voltage VIN ...............90V/100ms duration

VDD ......................................................5V - 55V

Output Voltage VOUT (VIN>16.5)........ 0.8V to 15V

Output Voltage VOUT (VIN<16.5V) ....0.8V to (VIN-1.5V)

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

Thermal Resistance

(4)

θJA

θJC

QFN28 (4mm x5mm).............. 50 ...... 11...

°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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