MPQ2451 datasheet(2/16 Pages) MPS

2 / 16 page

MPQ2451―INDUSTRIAL-GRADE 36V, 2MHz, 0.6A, STEP-DOWN CONVERTER, AEC-Q100 QUALIFIED

MPQ2451 Rev 1.02

www.MonolithicPower.com

5/3/2013

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

ORDERING INFORMATION

Part Number

Package

Top Marking

Junction Temperature (TJ)

MPQ2451DT*

SOT23-6L

-40°C to +125°C

MPQ2451DT-AEC1

SOT23-6L

-40°C to +125°C

MPQ2451DG**

QFN-6L

-40°C to +125°C

MPQ2451DG-AEC1

QFN-6L

-40°C to +125°C

* For Tape & Reel, add suffix –Z (e.g. MPQ2451DT–Z).

For RoHS Compliant packaging, add suffix –LF (e.g. MPQ2451DT–LF–Z)

** For Tape & Reel, add suffix -Z (e.g. MPQ2451DG-Z)

For RoHS Compliant packaging, add suffix -LF (e.g. MPQ2451DG-LF-Z)

PACKAGE REFERENCE

BST

GND

VIN

TOP VIEW

SOT23-6L

QFN-6L

ABSOLUTE MAXIMUM RATINGS (1)

Supply Voltage (VIN)......................-0.3V to +40V

Switch Voltage (VSW)............ -0.3V to (VIN+0.3V)

BST to SW ..................................... -0.3 to +5.0V

All Other Pins..............................–0.3V to +5.0V

Continuous Power Dissipation (TA = 25°C)

(2)

SOT23-6L ................................................ 0.57W

QFN-6L .................................................... 1.56W

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

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

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

Recommended Operating Conditions

(3)

Supply Voltage VIN ...........................3.3V to 36V

Output Voltage VOUT................... 0.8V to 0.9·VIN

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

Thermal Resistance

(4)

θJA

θJC

SOT23-6L ..............................220 .... 110 .. °C/W

QFN-6L ...................................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 PCB.

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