TM
MP1518 – FIXED FREQUENCY WHITE LED DRIVER
PACKAGE REFERENCE
TOP VIEW
SW
GND
FB
1
2
3
6
5
4
IN
OV
EN
PACKAGE REFERENCE
TOP VIEW
GND
IN
OV
EN
1
2
3
4
8
7
6
5
SW
NC
FB
GND
Part
Number*
Package
Marking Temperature
A8YW
F6YW
–40°C to
+85°C
Part
Number**
MP1518DG
Package
QFN8
(2mm x 2mm)
Marking Temperature
A8Y
LLL
–40°C to
+85°C
MP1518DJ
TSOT23-6
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)
(3)
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
Thermal Resistance
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.
θ
JA
θ
JC
Recommended Operating Conditions
(2)
IN Supply Voltage ..............................2.5V to 6V
Output Voltage ....................................V
IN
to 25V
Operating Temperature............. –40°C to +85°C
ELECTRICAL CHARACTERISTICS
V
IN
= V
EN
= 5V, T
A
= +25°C, unless otherwise noted.
Parameters
Operating Input Voltage
Supply Current (Shutdown)
Supply Current (Quiescent)
Switching Frequency
Maximum Duty Cycle
Under Voltage Lockout
IN Under Voltage Lockout
Under Voltage Lockout
Hysteresis
Open Lamp Shutdown
Threshold
Symbol
V
IN
V
EN
= 0V
V
FB
= 0.15V
f
SW
V
FB
= 0V
UVLO
V
IN
Rising
1.0
85
Condition
Min
2.5
0.1
690
1.3
92
2.25
92
V
OV
V
OV
Rising
28
Typ
Max
6
1
750
1.5
Units
V
µA
µA
MHz
%
V
mV
V
2.45
MP1518 Rev. 1.6
7/25/2006
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
2
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