MP1518 – FIXED FREQUENCY WHITE LED DRIVER

MP1518 Rev. 1.6

www.MonolithicPower.com

2

7/25/2006

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2006 MPS. All Rights Reserved.

TM

PACKAGE REFERENCE

SW

GND

FB

1

2

3

6

5

4

IN

OV

EN

TOP VIEW

Part

Number*

Package

Marking Temperature

MP1518DJ

A8YW

MP1518DJE

TSOT23-6

F6YW

–40

°C to

+85

°C

For RoHS compliant packaging, add suffix –LF (eg.

MP1518DJ–LF–Z)

SW, OV Pins................................–0.5V to +28V

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

Storage Temperature.............. –55

°C to +150°C

Recommended Operating Conditions

(2)

IN Supply Voltage ..............................2.5V to 6V

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

°C to +85°C

PACKAGE REFERENCE

TOP VIEW

GND

IN

OV

EN

1

2

3

4

SW

NC

FB

GND

8

7

6

5

Part

Number**

Package

Marking Temperature

MP1518DG

QFN8

(2mm x 2mm)

A8Y

LLL

–40

°C to

+85

°C

For RoHS compliant packaging , add suffix –LF (eg.

MP1518DG–LF–Z)

Thermal Resistance

(3)

TSOT23-6.............................. 220 .... 110..

°C/W

QFN8 (2mm x 2mm)............... 80 ...... 16...

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

ELECTRICAL CHARACTERISTICS

Parameters

Symbol

Condition

Min

Typ

Max Units

Operating Input Voltage

2.5

6

V

Supply Current (Shutdown)

0.1

1

µA

Supply Current (Quiescent)

690

750

µA

Switching Frequency

1.0

1.3

1.5

MHz

Maximum Duty Cycle

85

92

%

Under Voltage Lockout

IN Under Voltage Lockout

UVLO

2.25

2.45

V

Under Voltage Lockout

Hysteresis

92

mV

Open Lamp Shutdown

Threshold

28

V