MP3304ADD datasheet(2/12 Pages) MPS

2 / 12 page

MP3304 –36V, 1.3A, STEP-UP WHITE LED DRIVER WITH HIGH FREQUENCY TRUE PWM DIMMING

MP3304 Rev. 0.91

www.MonolithicPower.com

4/19/2010

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

ORDERING INFORMATION

Part Number*

Over Voltage

Protection

Package

Top Marking

Free Air

Temperature (TA)

MP3304ADD**

38V

QFN8(2x 3mm)

–40

°C to +85°C

MP3304BDD**

26V

QFN8(2x 3mm)

–40

°C to +85°C

MP3304CDD

20V

QFN8(2x 3mm)

–40

°C to +85°C

*For Tape & Reel, add suffix –Z (eg. MP3304 x DD-Z).

For RoHS compliant packaging, add suffix –LF (eg. MP3304 xDD–LF–Z)

**Contact Factory for Availability

PACKAGE REFERENCE

TOP VIEW

PGND

N/C

GND

ISET

LED

EXPOSED PAD

CONNECTED TO GND

ABSOLUTE MAXIMUM RATINGS (1)

SW Pin, LED Pin..........................–0.5V to +42V

All Other Pins..............................–0.3V to +6.5V

Storage Temperature.............. –55

°C to +150°C

Continuous Power Dissipation

(TA = +25°C)

(2)

…………………………………………………1.9W

Recommended Operating Conditions

(3)

IN Supply Voltage .................................3V to 6V

SW Pin

MP3304ADD................................... VIN to +36V

MP3304BDD.................................... VIN to +24V

MP3304CDD.................................... VIN to +18V

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

Thermal Resistance

(4)

θJA

θJC

QFN8 2x3mm..........................65 ...... 13 ...

°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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