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參數資料
| 型號： | LTC3525ESC6-5#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.45 A SWITCHING REGULATOR, PDSO6 |
| 封裝： | LEAD FREE, PLASTIC, MO-203AB, EIAJ, SC-70, 6 PIN |
| 文件頁數： | 1/14頁 |
| 文件大小： | 536K |
| 代理商： | LTC3525ESC6-5#PBF |
LTC3525-3/
LTC3525-3.3/LTC3525-5
1
3525fb
LOAD (mA)
0.01
0.1
EFFICIENCY
(%)
100
90
80
70
60
50
40
30
20
POWER
LOSS
(mW)
100
10
1
0.1
0.01
1
10
1000
100
LT3525 TA02
EFFICIENCY
POWER LOSS
VIN = 3V
VIN = 2.4V
VIN = 1.2V
400mA Micropower
Synchronous Step-Up DC/DC
Converter with Output Disconnect
The LTC3525-3/LTC3525-3.3/LTC3525-5 are high ef-
ficiency synchronous step-up DC/DC converters with
output disconnect that can start up with an input as low
as 1V. They offer a compact, high efficiency alternative to
charge pumps in single cell or dual cell alkaline or Li-Ion
applications. Only three small external components are
required. The LTC3525 is offered in fixed output voltages
of 3V, 3.3V or 5V.
The device includes a 0.5
Ω N-channel MOSFET switch
and a 0.8
Ω P-channel synchronous rectifier. Peak switch
current ranges from 150mA to 400mA, depending on
load, providing enhanced efficiency. Quiescent current
is an ultralow 7A, maximizing battery life in portable
applications.
Other features include <1A shutdown current, anti-
ringing control and thermal shutdown. The LTC3525 is
available in a tiny 6-pin SC70 package.
n
MP3 Players
n
Portable Instruments
n
Glucose Meters
n
Digital Cameras
n
Up to 95% Efficiency
n
Output Disconnect and Inrush Current Limit
n
Fixed Output Voltages of 3V, 3.3V or 5V
n
Delivers 65mA at 3V from a 1V Input
n
Delivers 60mA at 3.3V from a 1V Input,
or 140mA at 3.3V from a 1.8V Input
n
Delivers 175mA at 5V from a 3V Input
n
Burst Mode Operation: IQ = 7A
n
Only Three External Components
n
VIN > VOUT Operation
n
<1A Shutdown Current
n
Antiringing Control
n
Short-Circuit and Overtemperature Protection
n
Very Low Profile of 1mm
n
Tiny 6-Pin SC70 Package
LTC3525-3.3 Efficiency and Power
Loss vs Load Current
L
, LT, LTC, LTM, Burst Mode, Linear Technology and the Linear logo are registered trademarks
and ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners. Patents pending.
TYPICAL APPLICATION
FEATURES
DESCRIPTION
APPLICATIONS
L1*
10H
3525 TA01
LTC3525-3.3
*MURATA LQH32CN100K53
VOUT
3.3V
60mA
VOUT
GND
SW
SHDN
GND
VIN
1V TO 1.6V
10F
1F
OFF ON
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC3525ESC6-5TRMPBF | 制造商:Linear Technology 功能描述:DC-DC Converter Step-Up 0.85-4.5V SC70-6 |
| LTC3525L-3 | 制造商:LINEAR 制造商全稱:LINEAR 功能描述:Ultralow Voltage Step-Up Converter and Power Manager |
| LTC3525L-3.3 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Ultralow Voltage Step-Up Converter |
| LTC3525L-5 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Ultralow Voltage Step-Up Converter |
| LTC3525LESC6-3 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:400mA Micropower Synchronous Step-Up DC/DC Converter with Output Disconnect |
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