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参数资料
| 型号： | LTC3525LESC6-3#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.45 A SWITCHING REGULATOR, PDSO6 |
| 封装： | LEAD FREE, PLASTIC, EIAJ, MO-203AB, SC-70, 6 PIN |
| 文件页数： | 1/12页 |
| 文件大小： | 487K |
| 代理商： | LTC3525LESC6-3#PBF |
LTC3525L-3
1
3525lfa
400mA Micropower
Synchronous Step-Up DC/DC
Converter with Output Disconnect
The LTC3525L-3 is a high efficiency synchronous step-
up DC/DC converter with output disconnect that can
start up with an input as low as 0.7V. It offers a compact,
high efficiency alternative to charge pumps in single
cell or dual cell alkaline applications. Only three small
external components are required. The LTC3525L-3
generates a fixed 3V output voltage.
The device includes a 0.5 N-channel MOSFET switch
and a 0.85 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 LTC3525L-3
is available in a tiny 6-pin SC70 package.
n
MP3 Players
n
Portable Instruments
n
Glucose Meters
n
Digital Cameras
n
Start-Up at 0.7V Typical, 0.88V Guaranteed
n
Up to 95% Efficiency
n
Output Disconnect and Inrush Current Limit
n
3V Fixed Output Voltage
n
Delivers 65mA at 3V from a 1V Input or 160mA
from a 1.8V Input
n
Burst Mode Operation: IQ = 7A
n
VIN: 0.5V to 4.5V
n
Only Three External Components
n
VIN > VOUT Operation
n
<1A Shutdown Current
n
Anti-Ringing Control
n
Short-Circuit and Overtemperature Protection
n
Tiny 6-Pin SC70 Package
LTC3525L-3 Efficiency and Power
Loss vs Load Current
TYPICAL APPLICATION
FEATURES
DESCRIPTION
APPLICATIONS
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.
3525 TA01
LTC3525L-3
*MURATA LQH32CN100K53
VOUT
3V
65mA
VOUT
GND
SW
SHDN
GND
VIN
0.9V TO 1.6V
OFF ON
L1*
10H
1F
10F
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 = 2.4V
VIN = 1.2V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3526 | 制造商:LINER 制造商全称:Linear Technology 功能描述:500mA 1MHz Synchronous Step-Up DC/DC Converters in 2mm × 2mm DFN |
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| LTC3526B-2 | 制造商:LINER 制造商全称:Linear Technology 功能描述:500mA 2MHz Synchronous Step-Up DC/DC Converters in 2mm × 2mm DFN |
| LTC3526BEDC | 制造商:LINER 制造商全称:Linear Technology 功能描述:500mA 1MHz Synchronous Step-Up DC/DC Converters in 2mm X 2mm DFN |
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