MP3205 – 1.3 MHz FIXED FREQUENCY 5 WHITE LED DRIVER
MP3205 Rev. 1.3
7/13/2005
www.MonolithicPower.com
2
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2005 MPS. All Rights Reserved.
TM
PACKAGE REFERENCE
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)
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
Thermal Resistance
(3)
TSOT23-5..............................220.... 110..
°
C/W
θ
JA
θ
JC
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.
Parameter
Using Parameter Set Heading
Operating Input Voltage
Supply Current (Shutdown)
Supply Current (Quiescent)
Switching Frequency
Maximum Duty Cycle
Undervoltage Lockout
IN Under Voltage Lockout
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)
SW Current Limit
Thermal Shutdown
(4)
Symbol Condition
Min
Typ
Max
Units
V
IN
f
SW
V
EN
= 0V
V
FB
= 0.15V
V
FB
= 0V
2.5
1.0
85
6
1
V
μA
μA
MHz
%
0.1
690
1.3
92
750
1.5
UVLO
V
IN
Rising
2.25
2.45
V
92
mV
V
EN
Rising
V
EN
Rising, V
IN
= 2.5V
V
EN
= 0V, 5V
1.0
0.8
1.35
90
1.6
1
V
V
mV
μA
V
FB
= 0.1V
94
–600
104
–300
114
mV
nA
R
ON
Duty Cycle = 60%
0.5
350
160
mA
°
C
Note:
4) Guaranteed by design.
SW
GND
FB
1
2
3
5
4
IN
EN
MP3205-PD01_TSOT23
TOP VIEW
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