TM
MP1518 – FIXED FREQUENCY WHITE LED DRIVER
PACKAGE REFERENCE
PACKAGE REFERENCE
TOP VIEW
TOP VIEW
GND
IN
1
2
3
4
8
7
6
5
SW
NC
SW
GND
FB
1
2
3
6
5
4
IN
OV
EN
OV
EN
FB
GND
Part
Number*
Part
Number**
Package
Marking Temperature
Package
Marking Temperature
MP1518DJ
A8YW
F6YW
–40°C to
+85°C
QFN8
(2mm x 2mm)
A8Y
LLL
–40°C to
+85°C
TSOT23-6
MP1518DG
MP1518DJE
For Tape & Reel, add suffix –Z (eg. MP1518DJ–Z)
For RoHS compliant packaging, add suffix –LF (eg.
MP1518DJ–LF–Z)
*
** For Tape & Reel, add suffix –Z (eg. MP1518DG–Z)
For RoHS compliant packaging , add suffix –LF (eg.
MP1518DG–LF–Z)
ABSOLUTE MAXIMUM RATINGS (1)
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
Output Voltage....................................VIN to 25V
Operating Temperature............. –40°C to +85°C
Thermal Resistance (3)
TSOT23-6..............................220.... 110.. °C/W
QFN8 (2mm x 2mm)...............80...... 16... °C/W
θJA
θJC
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
VIN = VEN = 5V, TA = +25°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ Max Units
Operating Input Voltage
Supply Current (Shutdown)
Supply Current (Quiescent)
Switching Frequency
Maximum Duty Cycle
Under Voltage Lockout
IN Under Voltage Lockout
VIN
2.5
6
1
V
µA
µA
MHz
%
VEN = 0V
0.1
690
1.3
92
VFB = 0.15V
750
1.5
fSW
1.0
85
VFB = 0V
UVLO
VIN Rising
2.25 2.45
92
V
Under Voltage Lockout
Hysteresis
mV
Open Lamp Shutdown
Threshold
VOV
VOV Rising
28
V
MP1518 Rev. 1.6
7/25/2006
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
2
MPS [ MONOLITHIC POWER SYSTEMS ]
