MP8046DF datasheet(2/9 Pages) MPS

2 / 9 page

MP8046 –28V, 5A DUAL CHANNEL POWER HALF-BRIDGE

MP8046 Rev. 0.92

www.MonolithicPower.com

4/29/2010

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

ORDERING INFORMATION

Part Number*

Package

Top Marking

Free Air Temperature (TA)

MP8046DF

TSSOP20F

MP8046DF

–40

°C to +85°C

* For Tape & Reel, add suffix –Z (e.g. MP8046DF–Z).

For RoHS compliant packaging, add suffix –LF (e.g. MP8046DF–LF–Z)

PACKAGE REFERENCE

AGND1

PWM1

STBY

PWM2

FAULT

SHDN

AGND2

VDR2

VDR1

BST1

PGND1

OUT1

VDD1

VDD2

OUT2

PGND2

BST2

TOP VIEW

EXPOSED PAD

ABSOLUTE MAXIMUM RATINGS

(1)

VDD1/2 Supply Voltage ............................... 31V

OUT1/2 Pin Voltage............ –0.3V to VDD + 0.3V

OUT1/2 to BST1/2 .........................–0.3V to +6V

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

Continuous Power Dissipation (TA = +25°C)

(2)

………………………………………………....3.1W

Storage Temperature.............. –55

°C to +150°C

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

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

Recommended Operating Conditions

(3)

VDD1/2 Supply Voltage ...................7.5V to 28V

Peak Output Current......................5A Maximum

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

Thermal Resistance

(4)

θJA

θJC

TSSOP20F..............................40 ....... 6 ....

°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 approximately 1” square of 1 oz copper.

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