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| 型号： | LTC3531ES6-3.3#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.46 A SWITCHING REGULATOR, PDSO6 |
| 封装： | LEAD FREE, PLASTIC, MO-193, TSOT-23, 6 PIN |
| 文件页数： | 3/16页 |
| 文件大小： | 705K |
| 代理商： | LTC3531ES6-3.3#PBF |
LTC3531/
LTC3531-3.3/LTC3531-3
11
3531fb
S I FOR ATIO
APPLICATIO
WU
U
Table 3. Capacitor Vendor Information
Supplier
Series
Phone
Website
AVX
X5R
(803) 448-9411
www.avxcorp.com
Murata
X5R
USA: (814) 237-1431 www.murata.com
(800) 831-9172
Sanyo
POSCAP (619) 661-6322
www.sanyovideo.com
Taiyo Yuden X5R
(408) 573-4150
www.taiyo-yuden.com
TDK
X5R
(847) 803-6100
www.component.tdk.com
Component Selection
Only three power components are required to
complete the design of the buck-boost converter, VOUT
programming resistors are needed for the adjustable
version. The high operating frequency and low peak
currents of the LTC3531 allow the use of low value, low
prole inductors and tiny external ceramic capacitors.
Inductor Selection
For best efciency, choose an inductor with high frequency
core material, such as ferrite, to reduce core loses. The
inductor should have low DCR (DC resistance) to reduce
the I2R losses, and must be able to handle the peak
inductor current without saturating. A 10μH to 22μH in-
ductor value with a >500mA current rating and <400mΩ
DCR is recommended. For applications where radiated
noise is a concern, a toroidal or shielded inductor can be
used. Table 2 contains a list of inductor manufacturers.
Capacitor Selection
The buck-boost convertor requires two capacitors. Ceramic
X5R types will minimize ESL and ESR while maintaining
capacitance at rated voltage over temperature. The VIN
capacitor should be at least 2.2μF. The VOUT capacitor
should be between 4.7μF and 22μF. A larger output capaci-
tor should be used if lower peak to peak output voltage
ripple is desired. A larger output capacitor will also improve
load regulation on VOUT. See Table 3 for a list of capacitor
manufacturers for input and output capacitor selection.
Table 2. Inductor Vendor Information
Supplier
Series
Phone
Website
COEV
DN4835
(800) 227-7040
www.coev.net
Coilcraft
MSS4020
(847) 639-6400
www.coilcraft.com
LPO3310
DS1608
Murata
LQH43CN
USA: (814) 237-1431
www.murata.com
LQH32CN
(800) 831-9172
Sumida
CDRH4D18
USA: (847) 956-0666
www.sumida.com
CDRH3D16/HP
Japan: 81-3-3607-5111
Toko
D312C
(847) 297-0070
www.tokoam.com
D412C
DB320C
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3532 | 制造商:LINEAR 制造商全称:LINEAR 功能描述:High Effi ciency, Synchronous, 4-Switch Buck-Boost Controller |
| LTC3532EDD | 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower Synchronous Buck-Boost DC/DC Converter |
| LTC3532EDD#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 |
| LTC3532EDD#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: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 |
| LTC3532EDD-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower Synchronous Buck-Boost DC/DC Converter |
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