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参数资料
| 型号： | LTC3529EDCB#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST SYNC 5V 1.5A 8DFN |
| 标准包装： | 2,500 |
| 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： | 1.8 V ~ 5.25 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.5MHz |
| 电流 - 输出： | 1.5A |
| 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： | 8-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-DFN（3x2） |
LTC3529
1.5A, 1.5MHz Step-Up
DC/DC Converter in
2mm × 3mm DFN
FEATURES
DESCRIPTION
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Compact Solution for 5V USB On-The-Go
V BUS Power
5V at 500mA from Single Li-Ion Cell
Automatic Fault Detection
High Ef?ciency: Up to 95%
V IN Range: 1.8V to 5.25V
Fixed 5V Output
Short-Circuit Protection
1.5MHz Low Noise, Fixed Frequency PWM
Inrush Current Limiting and Internal Soft-Start
Output Disconnect
<1μA Quiescent Current in Shutdown
V IN > V OUT Operation
8-Lead, 2mm × 3mm DFN Package
The LTC ? 3529 is a 5V output, synchronous, ?xed frequency
step-up DC/DC converter optimized for USB On-The-Go
(OTG) hosting applications. This compact USB OTG 5V
V BUS converter features a 1.5MHz switching frequency,
internal compensation and a tiny 2mm × 3mm DFN pack-
age. The LTC3529 can operate from input voltages as low
as 1.8V.
USB OTG-speci?c features include a fault ?ag with 22ms
deglitching to indicate when the bus is overloaded, output
disconnect and short-circuit protection. Following a fault,
the LTC3529 can be programmed to either latchoff or
restart after a time-out duration.
Additional features include a <1μA shutdown mode,
soft-start, inrush current limiting and thermal overload
Personal Media Players
Digital Video Cameras
APPLICATIONS
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protection. Anti-ring circuitry reduces EMI during low
power operation. The LTC3529 is offered in an 8-lead
2mm × 3mm × 0.75mm DFN package.
L , LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
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Digital Multimedia Broadcast Tuners
Digital Cameras
Smart Phones
Technology Corporation. All other trademarks are the property of their respective owners.
Protected by U.S. Patents including 6404251, 6166527.
TYPICAL APPLICATION
Li-Ion Battery to 5V Synchronous Boost Converter
Ef?ciency vs Load Current
4.7μH
100
90
0.9
0.8
2.5V
TO
4.2V
+
Li-Ion
3.3μF
V IN
LTC3529
SW
80
70
EFFICIENCY
0.7
0.6
370Ω
FAULT SNSGND
60
50
0.5
AUTO-RESTART OFF ON
OFF ON
RST
SHDN
V OUT
PGND
C OUT
10μF
V OUT
5V
500mA
40
30
20
0.4
0.3
0.2
3529 TA01a
10
0
POWER LOSS
0.1
0
1
10
100
1000
LOAD CURRENT (mA)
V IN = 3.6V
3529 TA01b
INDUCTOR = 4.7μH,
COOPER BUSSMANN SD25-4R7
3529fb
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3530 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide Input Voltage Synchronous Buck-Boost DC/DC Converter |
| LTC3530EDD | 制造商:Linear Technology 功能描述:Conv DC-DC Single Non-Inv/Inv/Step Up/Step Down 1.8V to 5.5V 10-Pin DFN EP |
| LTC3530EDD#PBF | 功能描述:IC REG BUCK BOOST SYNC ADJ 10DFN 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:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 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-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
| LTC3530EDD#TRPBF | 功能描述:IC REG BUCK BOOST SYNC ADJ 10DFN 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:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LTC3530EDD-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide Input Voltage Synchronous Buck-Boost DC/DC Converter |
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