MP3202 – 1.3A FIXED FREQUENCY WHITE LED DRIVER
MP3202 Rev. 0.91 www.MonolithicPower.com 2
9/21/2007 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2007 MPS. All Rights Reserved.
PACKAGE REFERENCE
Part Number* Package Temperature
MP3202DJ TSOT23-6
–40°C to +85°C
*
For Tape & Reel, add suffix –Z (eg. MP3202DJ–Z)
For RoHS compliant packaging, add suffix –LF
(eg. MP3202DJ–LF–Z)
ABSOLUTE MAXIMUM RATINGS
(1)
SW Pin......................................–0.5V to +28.5V
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....................................V
IN
to 25V
Operating Temperature............. –40°C to +85°C
Part Number** Package Temperature
MP3202DG
QFN8
(2mm x 2mm)
–40°C to +85°C
**
For Tape & Reel, add suffix –Z (eg. MP3202DG–Z)
For RoHS compliant packaging, add suffix –LF
(eg. MP3202DG–LF–Z)
Thermal Resistance
(3)
θ
JA
θ
JC
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
V
IN
= V
EN
= 5V, T
A
= +25°C, unless otherwise noted.
Parameters Symbol Condition Min Typ Max Units
Operating Input Voltage V
IN
2.5 6 V
Supply Current (Shutdown) V
EN
= 0V 0.1 1 µA
Supply Current (Quiescent) V
FB
= 0.15V 690 750 µA
Switching Frequency f
SW
1.0 1.3 1.5 MHz
Maximum Duty Cycle V
FB
= 0V 85 92 %
Under Voltage Lockout
IN Under Voltage Lockout UVLO V
IN
Rising 2.25 2.45 V
Under Voltage Lockout
Hysteresis
92 mV
Open Lamp Shutdown
Threshold
V
OV
V
OV
Rising 28 V
SW
GND
FB
1
2
3
6
5
4
IN
OV
EN
TOP VIEW
TOP VIEW
GND
IN
OV
EN
1
2
3
4
SW
NC
FB
GND
8
7
6
5