mp1543dj MPS, mp1543dj Datasheet - Page 2

• Manufacturer Part Number: mp1543dj
• Description: 1.5a, 500khz Synchronous Rectified Step-up Converter
• Manufacturer: MPS

PACKAGE REFERENCE
ELECTRICAL CHARACTERISTICS
V
Note:
4) Guaranteed by design, not tested.
MP1543 Rev. 1.0
1/11/2006
*
Parameter
Startup Supply Voltage
Output Voltage Range
Supply Current (Shutdown)
Supply Current
Feedback Voltage
Feedback Input Current
Switching Frequency
Maximum Duty Cycle
EN Input Low Voltage
EN Input High Voltage
EN Pull Down Resistor
Low-Side On Resistance
Low-Side Current Limit
High-Side On Resistance
Thermal Shutdown
Thermal Shutdown Hysteresis
Part Number*
EN
For Tape & Reel, add suffix –Z (eg. MP1543DJ–Z)
For Lead Free, add suffix –LF (eg. MP1543DJ–LF–Z)
MP1543DJ
= V
OUT
= 3.3V, T
GND
OUT
FB
TM
1
2
3
TOP VIEW
TSOT23-5
(4)
Package
A
MP1543 — 1.5A, 500KHZ SYNCHRONOUS RECTIFIED STEP-UP CONVERTER
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
= +25°C, unless otherwise noted.
MP1543_PD01-TSOT23-5
(4)
5
4
Symbol Condition
EN
SW
–40°C to +85°C
R
R
D
V
Temperature
V
V
f
I
ONHS
ONLS
SW
LIM
OUT
MAX
ST
FB
© 2006 MPS. All Rights Reserved.
I
R
V
V
V
V
V
LOAD
EN
FB
FB
OUT
OUT
www.MonolithicPower.com
LOAD
= 1.3V
= 1.2V
= V
= 0mA
= 3.3V
= 3.3V
= 50Ω
OUT
0V, V
ABSOLUTE MAXIMUM RATINGS
All Pins........................................ –0.3V to +6.5V
Storage Temperature ..............–65°C to +150°C
Recommended Operating Conditions
Supply Voltage V
Output Voltage V
Operating Temperature .............–40°C to +85°C
Thermal Resistance
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
3) Measured on approximately 1” square of 1 oz copper.
SW
operating conditions.
= 5V
Min
1.5
2.5
1.4
80
OUT
IN
............................. 1.8V to 6V
.......................... 2.5V to 6V
(3)
Typ
350
500
300
500
160
1.6
1.7
1.2
1.5
50
85
30
1
1
θ
JA
Max
1.8
6.0
0.4
90
θ
JC
Units
KHz
MΩ
mΩ
mΩ
µA
µA
nA
°C
°C
%
V
V
V
V
V
A
(2)
(1)
2