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| 型号： | LTC3560ES6 |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 2.1 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | 1 MM HEIGHT, PLASTIC, MO-193, TSOT-23 |
| 文件页数： | 4/16页 |
| 文件大小： | 323K |
| 代理商： | LTC3560ES6 |
12
LTC3560
3560f
CIN will require an RMS current rating of at least 0.4A
ILOAD(MAX)/2 at temperature and COUT will require an ESR
of less than 0.1
. In most cases, a ceramic capacitor will
satisfy this requirement.
For the feedback resistors, choose R1 = 309k. R2 can
then be calculated from equation (2) to be:
R
V
R
k use
OUT
2
06
1
1 978 5
976
=
=
.
.;
k
Figure 6 shows the complete circuit along with its effi-
ciency curve.
APPLICATIO S I FOR ATIO
WU
UU
standby mode, requiring only 2mA. Efficiency at both low
and high load currents is important. Output voltage is
2.5V. With this information we can calculate L using
equation (1),
L
fI
V
L
OUT
IN
= () ()
1
(3)
Substituting VOUT = 2.5V, VIN = 4.2V, IL = 320mA and
f = 2.25MHz in equation (3) gives:
L
V
MHz
mA
V
H
=
25
2 25
320
1
25
42
14
.
.(
)
.
A 1.5
H inductor works well for this application. For best
efficiency choose a 960mA or greater inductor with less
than 0.2
series resistance.
Figure 5. LTC3560 Suggested Layout
Figure 4. LTC3560 Layout Diagram
RUN
LTC3560
GND
SW
6
L1
R2
R1
CFWD
BOLD LINES INDICATE HIGH CURRENT PATHS
VIN
VOUT
3560 F04
4
5
1
3
+
–
2
SYNC/MODE
VFB
VIN
CIN
COUT
LTC3560
GND
3560 F05
PIN 1
VOUT
VIN
VIA TO VOUT
SW
VIA TO VIN
VIA TO GND
COUT
CIN
L1
R2
CFWD
R1
相关PDF资料 |
PDF描述 |
|---|---|
| LTC3560ES6#TR | 2.1 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3560ES6#TRM | 2.1 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3605IUF#PBF | 7.5 A SWITCHING REGULATOR, 4000 kHz SWITCHING FREQ-MAX, PQCC24 |
| LTC3605IUF#TRPBF | 7.5 A SWITCHING REGULATOR, 4000 kHz SWITCHING FREQ-MAX, PQCC24 |
| LTC3675EUFF#TRPBF | POWER SUPPLY SUPPORT CKT, PQCC44 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3560ES6#PBF | 制造商:Linear Technology 功能描述:2.1 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3560ES6#TRMPBF | 功能描述:IC REG BUCK SYNC ADJ TSOT23-6 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: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 |
| LTC3560ES6#TRPBF | 功能描述:IC REG BUCK SYNC ADJ TSOT23-6 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 |
| LTC3560ES6LTCFY | 制造商:LINER 制造商全称:Linear Technology 功能描述:2.25MHz, 800mA Synchronous Step-Down Regulator in ThinSOT |
| LTC3560ES6PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:2.25MHz, 800mA Synchronous Step-Down Regulator in ThinSOT |
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