MP3011 – 1X, 1.5X, 2X AUTO-ADJUST CHARGE PUMP 2 WHITE LED DRIVER

MP3011 Rev. 1.1

www.MonolithicPower.com

2

10/31/2005

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2005 MPS. All Rights Reserved.

TM

PACKAGE REFERENCE

Part Number*

Package

Temperature

MP3011DQ

QFN16

(3mm x 3mm)

–40

°C to +125°C

For Lead Free, add suffix –LF (eg. MP3011DQ–LF–Z)

ABSOLUTE MAXIMUM RATINGS

(1)

Power Dissipation..................................... 1.0 W

Logic Inputs to GND ..................... –0.3V to 6.5V

Storage Temperature ...............–65

°C to 150°C

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

°C

Recommended Operating Conditions

(2)

°C to +85°C

Thermal Resistance

(4)

QFN16 .................................... 60 ...... 14...

°C/W

Notes:

1) Exceeding these ratings may damage the device.

2) The device is not guaranteed to function outside of its

operating conditions.

3) Ambient Operating Temperature.

4) Measured on approximately 1” square of 1 oz copper.

ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Condition

Min

Typ

Max

Units

Input Supply Voltage

2.5

5.5

V

3.9

V

2.9

V

3.1

V

4.1

V

Supply Current

2 LEDs at 40mA, 2x Mode,

164

mA

Supply Current Shutdown

0.1

1

µA

Current Matching

(5)

1.5

%

Enable Voltage, High

1.5

V

Enable Voltage, Low

1.0

V

Enable Pin Leakage

0.1

1

µA

Charge Pump Frequency

1.0

1.3

1.6

MHz

Time to Standby Mode

(6)

Enable Switched Low

30

µs

Enable Pin PWM Frequency Limit

50

KHz

LED Current

40

mA

Notes:

5) Matching is defined as the difference of the maximum to minimum current divided by the sum of the maximum and minimum currents.

6) Standby mode switches to shutdown when the output voltage on LEDC drifts back to GND.

MP3011_PD01_QFN16

TOP VIEW

EXPOSED PAD

CONNECT TO PIN 8

PIN 1 ID

NC

NC

GND

C1A

EN

RADJ

GND

C2B

1

2

3

4

13

14

15

16

8

7

6

5

LEDC

C1B

C2A

BATT

BATT

NC

LED1

LED2

12

11

10

9