TM
MP1540 – 1.3MHz, 18V STEP-UP CONVERTER
PACKAGE REFERENCE
TOP VIEW
SW
GND
FB
1
5
IN
ABSOLUTE MAXIMUM RATINGS
(1)
SW Pin ........................................ –0.3V to +20V
All Other Pins ............................. –0.3V to +6.5V
Junction Temperature .............................. 150°C
Lead Temperature.................................... 260°C
Storage Temperature .............. –65°C to +150°C
D9YW
4
EN
MP1540_PD01_TSOT23-5
2
3
Recommended Operating Conditions
(2)
Supply Voltage V
IN
............................ 2.5V to 6V
Output Voltage V
OUT
........................... 3V to 18V
Operating Temperature ............. –40°C to +85°C
Thermal Resistance
(3)
θ
JA
θ
JC
TSOT23-5.............................. 220.....110 ..°C/W
Part Number*
MP1540DJ
*
Package
TSOT23-5
Temperature
–
40
°
C to +85
°
C
For Tape & Reel, add suffix –Z (eg. MP1540DJ–Z)
For Lead Free, add suffix –LF (eg. MP1540DJ–LF–Z)
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 specified otherwise.
Parameters
Operating Input Voltage
Under Voltage Lockout
Under Voltage 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)
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
1.25
–30
0.65
1.9
1
850
1.6
1.6
1
1.29
1
160
µA
µA
MHz
%
V
V
mV
µA
V
nA
Ω
A
µA
°C
Note:
4) Guaranteed by design.
MP1540 Rev. 1.1
2/14/2006
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
2
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