TM
MP3205 – 1.3 MHz FIXED FREQUENCY 5 WHITE LED DRIVER
PACKAGE REFERENCE
TOP VIEW
SW
GND
FB
1
2
3
4
EN
5
IN
ABSOLUTE MAXIMUM RATINGS
(1)
SW ............................................... –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....................................V
IN
to 21V
Operating Temperature .............–40°C to +85°C
MP3205-PD01_TSOT23
Thermal Resistance
(3)
TSOT23-5.............................. 220 .... 110..
°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
Part Number*
MP3205DJ
*
Package
TSOT23-5
Temperature
–40°C to +85°C
For Tape & Reel, add suffix –Z (eg. MP3205DJ–Z)
For Lead Free, add suffix –LF (eg. MP3205DJ –LF–Z)
ELECTRICAL CHARACTERISTICS
V
IN
= V
EN
= 5V, T
A
= +25°C, unless otherwise noted.
Parameter
Symbol
Using Parameter Set Heading
Operating Input Voltage
V
IN
Supply Current (Shutdown)
Supply Current (Quiescent)
Switching Frequency
f
SW
Maximum Duty Cycle
Undervoltage Lockout
IN Under Voltage Lockout
UVLO
Under Voltage Lockout
Hysteresis
Enable
EN Threshold
EN Threshold
EN Hysteresis
EN Input Bias Current
Feedback
FB Voltage
FB Input Bias Current
Output Switch
SW On-Resistance
(4)
R
ON
SW Current Limit
Thermal Shutdown
(4)
Note:
4) Guaranteed by design.
Condition
Min
2.5
Typ
Max
6
1
750
1.5
Units
V
µA
µA
MHz
%
V
mV
V
EN
= 0V
V
FB
= 0.15V
V
FB
= 0V
V
IN
Rising
1.0
85
0.1
690
1.3
92
2.25
92
2.45
V
EN
Rising
V
EN
Rising, V
IN
= 2.5V
V
EN
= 0V, 5V
1.0
0.8
1.35
90
1.6
1
94
–600
104
–300
0.5
350
160
114
V
V
mV
µA
mV
nA
Ω
mA
°C
V
FB
= 0.1V
Duty Cycle = 60%
MP3205 Rev. 1.3
7/13/2005
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
2
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