MP1541 – 1.3MHz BOOST CONVERTER
PACKAGE REFERENCE
TOP VIEW
SW
GND
FB
1
5
IN
ABSOLUTE MAXIMUM RATINGS
(1)
SW Pin........................................... –0.3V to 25V
All Other Pins................................ –0.3V to 6.5V
Junction Temperature...............................150°C
Lead Temperature ....................................260°C
Storage Temperature ..............–65°C to +150°C
B3YW
4
EN
MP1541-PD01-TSOT23
2
3
Recommended Operating Conditions
(2)
Supply Voltage V
IN
............................. 2.5V to 6V
Output Voltage V
OUT
........................... 3V to 22V
Operating Temperature .............–40°C to +85°C
Thermal Resistance
Part Number*
MP1541DJ
*
Package
TSOT23-5
Marking: B3YW
(3)
Temperature
–
40°C to +85°C
TSOT25 ................................. 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 range.
3) Measured on approximately 1” square of 1oz. copper.
θ
JA
θ
JC
For Tape & Reel, add suffix –Z (eg. MP1541DJ–Z)
For Lead Free, add suffix –LF (eg. MP1541DJ–LF–Z)
ELECTRICAL CHARACTERISTICS
V
IN
= V
EN
= 5V, T
A
= +25°C unless otherwise specified.
Parameters
Operating Input Voltage
Undervoltage Lockout
Undervoltage Lockout
Hysteresis
Supply Current (Shutdown)
Supply Current (Quiescent)
Switching Frequency
Maximum Duty Cycle
EN Threshold
EN Threshold
EN Hysteresis
EN Input Bias Current
FB Voltage
FB Input Bias Current
SW On-Resistance
(4)
SW Current Limit
(4)
SW Leakage
Thermal Shutdown
(4)
Note:
4) Guaranteed by design.
Symbol
V
IN
Condition
Min
2.5
Typ
2.25
92
Max
6
2.45
Units
V
V
mV
V
EN
= 0V
V
FB
= 1.3V
f
SW
V
FB
= 0V
V
EN
Rising
V
EN
Rising, V
IN
= 2.5V
V
EN
= 0V, 6V
V
FB
V
FB
= 1.25V
R
DS (ON)
V
SW
= 15V
1.21
–100
1.0
80
1.0
0.1
635
1.3
85
1.3
1.1
100
1
850
1.6
1.6
µA
µA
MHz
%
V
V
mV
1
1.25
–30
0.65
1.9
1
160
1.29
µA
V
nA
Ω
A
µA
°C
MP1541Rev.1.3
3/20/2006
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
2
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