MP8048 datasheet(2/10 Pages) MPS

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MP8048 - 22V, 4A QUAD CHANNEL POWER HALF-BRIDGE

M8048 Rev. 1.1

www.MonolithicPower.com

9/10/2009

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

ORDERING INFORMATION

Part Number*

Package

Top Marking

Temperature

MP8048DQK

QFN 40 (6mm x 6mm)

MP8048DQK

–40

°C to +85°C

* For Tape & Reel, add suffix –Z (e.g. MP8048DQK–Z). For Lead Free, add suffix –LF

(e.g. MP8048DQK–LF–Z)

PACKAGE REFERENCE

SW1B

N/C

SW1B

VSP1B

VSP1A

SW1A

PGND1A

PGND2A

SW2A

VSP2A

VSP2B

SW2B

PGND2B

ABSOLUTE MAXIMUM RATINGS (1)

VSP Supply Voltage .................................... 24V

SW1/2 Pin Voltage.............. –0.3V to VDD + 0.3V

SW1/2 to BST1/2 ...........................–0.3V to +6V

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

Continuous Power Dissipation.. (TA = +25°C)

(2)

………………………………………….… ...4.2W

Storage Temperature.............. –55

°C to +150°C

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

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

Recommended Operating Conditions

(3)

VSP Supply Voltage ........................7.5V to 22V

Peak Output Current......................4A Maximum

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

°C to +85°C

Thermal Resistance

(4)

θJA

θJC

QFN40 (6mm x 6mm)............. 30 ....... 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 JESD51-7, 4-layer PCB.

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