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参数资料
| 型号： | LTC3525ESC6-5#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST SYNC 5V 0.4A SC70-6 |
| 标准包装： | 1 |
| 类型： | 升压（升压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 0.85 V ~ 4.5 V |
| PWM 型： | Burst Mode? |
| 电流 - 输出： | 400mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-TSSOP，SC-88，SOT-363 |
| 包装： | 标准包装 |
| 供应商设备封装： | SC-70-6 |
| 产品目录页面： | 1334 (CN2011-ZH PDF) |
| 其它名称： | LTC3525ESC6-5#TRMPBFDKR |
LTC3525-3/
LTC3525-3.3/LTC3525-5
400mA Micropower
Synchronous Step-Up DC/DC
Converter with Output Disconnect
Up to 95% Efficiency
Output Disconnect and Inrush Current Limit
Fixed Output Voltages of 3V, 3.3V or 5V
Delivers 65mA at 3V from a 1V Input
Delivers 60mA at 3.3V from a 1V Input,
Delivers 175mA at 5V from a 3V Input
Burst Mode ? Operation: I Q = 7μA
Only Three External Components
V IN > V OUT Operation
<1μA Shutdown Current
Antiringing Control
Short-Circuit and Overtemperature Protection
Very Low Profile of 1mm
Tiny 6-Pin SC70 Package
FEATURES
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or 140mA at 3.3V from a 1.8V Input
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APPLICATIONS
DESCRIPTION
The LTC ? 3525-3/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 7μA, maximizing battery life in portable
applications.
Other features include <1μA shutdown current, anti-
ringing control and thermal shutdown. The LTC3525 is
available in a tiny 6-pin SC70 package.
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MP3 Players
Portable Instruments
Glucose Meters
Digital Cameras
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
LTC3525-3.3 Efficiency and Power
Loss vs Load Current
L1*
10μH
100
90
100
V IN
1V TO 1.6V
OFF ON
LTC3525-3.3
V IN
SHDN
SW
V OUT
V OUT
3.3V
60mA
80
70
60
EFFICIENCY
POWER LOSS
10
1
1μF
GND
GND
10μF
50
40
0.1
*MURATA LQH32CN100K53
3525 TA01
30
20
0.01
0.1
1 10
LOAD (mA)
V IN = 3V
V IN = 2.4V
V IN = 1.2V
100 1000
0.01
LT3525 ? TA02
3525fb
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3525L-3 | 制造商:LINEAR 制造商全称:LINEAR 功能描述:Ultralow Voltage Step-Up Converter and Power Manager |
| LTC3525L-3.3 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Ultralow Voltage Step-Up Converter |
| LTC3525L-5 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Ultralow Voltage Step-Up Converter |
| LTC3525LESC6-3 | 制造商:LINER 制造商全称:Linear Technology 功能描述:400mA Micropower Synchronous Step-Up DC/DC Converter with Output Disconnect |
| LTC3525LESC6-3#TRMPBF | 功能描述:IC REG BOOST SYNC 3V 0.4A SC70-6 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:1.24 V ~ 30 V 输入电压:1.5 V ~ 12 V PWM 型:电流模式，混合 频率 - 开关:600kHz 电流 - 输出:500mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) 供应商设备封装:8-SOIC |
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