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参数资料
| 型号： | LTC3525ESC6-5#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 10/14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
OPERATION
Component Selection
Inductor values between 4.7μH and 15μH are recom-
mended. In most applications 10μH will yield the best
compromise between size and efficiency. The inductor
should be a low loss ferrite design and must be rated for
peak currents of at least 400mA without saturating. Induc-
tors with lower DC resistance will improve efficiency. Note
that the inductor value does not have a significant effect
on ripple current, so while lower values will increase the
operating frequency, they do not reduce output voltage
ripple.
Some recommended inductor examples are Murata
LQH32C and Coilcraft LPO4812, LPO3310, DO3314,
DS1608 and MSS4020.
Table 1. Inductor Vendor Information
A ceramic input bypass capacitor should be located as
close as possible to the V IN and GND pins of the IC. A
minimum value of 1μF is recommended. If the battery is
more than a few inches away, a bulk tantalum decoupling
cap of at least 10μF is recommended on V IN .
The output capacitor should also be a ceramic, located close
to the V OUT and GND pins. A minimum value of 10μF is
recommended. Increasing the value of the output capacitor
to 22μF will result in lower output ripple. Higher capacitor
values will only offer a small reduction in output ripple,
while reducing light load efficiency by causing the peak
inductor current to increase above its minimum value of
150mA. The input and output capacitors should be X5R
or X7R types, not Y5V.
SUPPLIER
Murata
Coilcraft
Sumida
PHONE
USA: (814) 237-1431
(847) 639-6400
USA: (847) 956-0666
FAX
USA: (814) 238-0490
(847) 639-1469
USA: (847) 956-0702
WEBSITE
www.murata.com
www.coilcraft.com
www.sumida.com
Table 2. Capacitor Vendor Information
SUPPLIER
Murata
Taiyo Yuden
TDK
AVX
PHONE
USA: (814) 237-1431
(408) 573-4150
(847) 803-6100
(803) 448-9411
SHDN
FAX
USA: (814) 238-0490
(408) 573-4159
(847) 803-6296
(803) 448-1943
SHDN
SW
WEBSITE
www.murata.com
www.t-yuden.com
www.component.tdk.com
www.avxcorp.com
LTC3525
GND
GND
V IN
V IN
V OUT
V OUT
3525 F03
Figure 3. Recommended Component Placement
3525fb
10
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| 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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