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參數(shù)資料
| 型號： | MP1543DJ |
| 廠商： | MONOLITHIC POWER SYSTEMS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.5A, 500KHz Synchronous Rectified Step-up Converter |
| 中文描述： | 1.5 A SWITCHING REGULATOR, 500 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | MO-193, TSOT23, 5PIN |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 299K |
| 代理商： | MP1543DJ |
MP1543 — 1.5A, 500KHZ SYNCHRONOUS RECTIFIED STEP-UP CONVERTER
MP1543 Rev. 1.0
1/11/2006
www.MonolithicPower.com
2
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
PACKAGE REFERENCE
Part Number*
MP1543DJ
Package
TSOT23-5
Temperature
–40
°
C to +85
°
C
*
For Tape & Reel, add suffix –Z (eg. MP1543DJ–Z)
For Lead Free, add suffix –LF (eg. MP1543DJ–LF–Z)
ABSOLUTE MAXIMUM RATINGS
(1)
All Pins........................................–0.3V to +6.5V
Storage Temperature ..............–65
°
C to +150
°
C
Recommended Operating Conditions
(2)
Supply Voltage V
IN
.............................1.8V to 6V
Output Voltage V
OUT
..........................2.5V to 6V
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
EN
= V
OUT
= 3.3V, T
A
= +25
°
C, unless otherwise noted.
Parameter
Symbol Condition
I
LOAD
= 0mA
V
ST
R
LOAD
= 50
V
OUT
V
EN
= V
OUT
0V, V
SW
= 5V
V
FB
= 1.3V
V
FB
V
FB
= 1.2V
f
SW
D
MAX
Min
1.5
Typ
1.6
Max
1.8
Units
Startup Supply Voltage
1.7
V
Output Voltage Range
2.5
6.0
V
Supply Current (Shutdown)
1
μA
μA
Supply Current
350
Feedback Voltage
1.2
V
Feedback Input Current
50
nA
Switching Frequency
500
KHz
Maximum Duty Cycle
80
85
90
%
EN Input Low Voltage
0.4
V
EN Input High Voltage
1.4
V
EN Pull Down Resistor
1
M
Low-Side On Resistance
R
ONLS
I
LIM
R
ONHS
V
OUT
= 3.3V
300
m
Low-Side Current Limit
1.5
A
High-Side On Resistance
Thermal Shutdown
(4)
Thermal Shutdown Hysteresis
(4)
V
OUT
= 3.3V
500
m
°
C
°
C
160
30
Note:
4) Guaranteed by design, not tested.
B
TOP VIEW
FB
GND
OUT
1
2
3
5
4
EN
SW
MP1543_PD01-TSOT23-5
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